As tomasz pointed out , the proper way to specify exactly which characters constitute the variable name is to use braces, like ${devName}3 . Bash To learn more, see our tips on writing great answers. Hi all, How can I self-edit? Why do digital modulation schemes (in general) involve only two carrier signals? id2 7453 T/A/-/G/C They are used in URLs, computer file paths, and other programming languages to separate different parts of a file path.
the shell, even when they're in double quotes.The backslash (\) character is used to mark these special characters so that SED : cant replace line in file, sed: -e expression #1, char 32: unknown option to `s', sed: -e expression #1, char 30: unknown option to `s', Using double quotes and variables in sed command, sed: -e expression #1, char 43: unknown option to `s', using two variables in a bash find and replace, sed: bad option in substitution expression : bad option in substitution expression, How to delete 1 or more matching line(s) while reading a file in bash script, How to replace string with an environment variable in sed command in MacOS shell, SED with variable that migth contain " / ", How to use sed with a variable that needs to be escaped, sed with arbitrary variables that might contain slashes. These files were all created with touch, so they take up 0 space. How can I self-edit? Asking for help, clarification, or responding to other answers. The alias should be run without an identifier by pressing a * (backlash) before the command. As mentio I'm getting sed How can I use grep to grab a line that contains a forward slash? Convenient to read on the go, and to keep by your desk as an ever-present companion. Any ideas on how to properly escape would be highly appreciated. Use something else than slash as the separator in sed. The tool can be used to create visual hierarchy or to demonstrate a relationship between two or more objects. This is an old question, but none of the answers here discuss operations other than s/from/to/ in much detail. Connect and share knowledge within a single location that is structured and easy to search. It doesn't escape the variable, nor does it expand it. I've tried: P
The only generally useful answer to dozens of "using variables in sed expression" questions across Stack Exchange. I have some directories I am trying to sort. I have a tab delimited file "test.txt" like this: Backward slashes ( (*) ) can be used in Windows in the same way that they can in Linux and UNIX. WebRegular expression to match everything to the end of a string, excluding the last character if it's a slash (/) score:3 Accepted answer Just make the asterisk lazy: r'^https? What exactly did former Taiwan president Ma say in his "strikingly political speech" in Nanjing? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Just tried out and it works. If you expect a reply, please ensure that the address you specify is valid. I'll add more to the question to see if anyone knows more about it. It is widely available, being the default shell on many GNU/Linux distributions and formerly on Mac OSX, with ports existing for many other systems. This slash (/) must appear after . The slash function is used to divide paths in Linux. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. For example, when you type in a URL into a web browser, the forward slashes are used to separate the different parts of the URL. Why is China worried about population decline? The choice between a forward slash and a backslash in a file path usually comes down to the operating system in use. strong>Kevin Hart and Shaquille O'Neal are quite the entertaining pair. It can also be referred to as reverse slash, slosh, backslant, backwhack, bash, escape, hack, reverse slant, reverse virgule, and reverse solidus. This is a useful feature when working with applications and languages that dont support the backslash character in paths. Why is China worried about population decline? I dont think it works universally on all platforms/os so Im hesitant to update the docs to recommend it. /vol/trees10 Thanks in advance. cp -av /dir /opt As previously stated, MS-DOS 2.0 copied the hierarchical file system from Unix, which necessitated using the forward slash, but the backslash was added to allow for typing paths into the command shell, preserving compatibility with previous versions of MS-DOS. Replace=$2 A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. In Linux, the r symbol represents the read permission. Prove HAKMEM Item 23: connection between arithmetic operations and bitwise operations on integers, Node never begins to sync, hangs at certain point. Normally, $ symbol is used in bash to represent any defined variable. Improving the copy in the close modal and post notices - 2023 edition, Announcement: AI-generated content is now permanently banned on Ask Ubuntu. Linux users debate the value forward slash (/) or backslash (*) as a best practice for navigating the various file systems on the planet. It only takes a minute to sign up. This may not be applicable, but it's always best to avoid any weirdness. In terms of path matching, Linux uses the forward slash ( /), whereas Windows uses the backslash ( *). I spent a few hours on this. thank you so much! It has a slanted line tilted to the right (/) that can be confused with the backslash, a symbol that has a line tilted to the left. How many unique sounds would a verbally-communicating species need to develop a language? Because it is reserved for system use, Linux uses the / (Solidus) character in file extensions. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. How to solve this seemingly simple system of algebraic equations? Need sufficiently nuanced translation of whole thing. It does seem an awkward way to talk about it though but the syntax is pretty awkward to begin with in my opinion. This makes thefiles in the order Hi, This could mean either and or or, which is why many users are confused. Do I need to escape forward slash Java? My problem is that i need to supply directory path as an argument while invoking cshell It only takes a minute to sign up. 3567 /home/fdss/vfgb.txt The sentence can be reworded or en-dashed instead of the en dashes. Can we see evidence of "crabbing" when viewing contrails? In the canonicalName both the forward slash and backslash characters are escaped using the backslash escape character. I suspect I'll now be missing some features I'm normally used to but haven't noticed any yet. C:/Users/Public will be entered by default in Windows Explorer. If it understands that it's a path variable so that it expands the filename (which it does for me) it should understand to not escape the. Asking for help, clarification, or responding to other answers. It takes that to be the name of the variable to use. When a backslash is appended to an n, it indicates a new character, as illustrated by the lowercase n character. Can we see evidence of "crabbing" when viewing contrails? @KyleCurtis The main use of \ is escaping (whitespace. What your script shows is that you're writing the variable plus number to output. //$/d delete any line ending in a '/', which would be the directories Prove HAKMEM Item 23: connection between arithmetic operations and bitwise operations on integers, Book where Earth is invaded by a future, parallel-universe Earth. I have no idea how it works either, one of the strange mysteries of programming haha. mm dd ff /dev/name4 passed to echo so that the spacing between the two words is Forward slashes are typically used on Unix-based systems, such as Linux and macOS, while backslashes are typically used on Windows. But is awkward. Why is bash extended-globbing variable substitution acting at the byte level? in gnu.bash.bug. If youre using vim you can enter insert mode and type CTRL v CTRL m . With the following mappings (for your vimrc), you can quickly and easily change the slashes in the current line. I want to take a bash script param with forward slash like this my_server/my_repo/my_image and pass them into a sed function that does a replace on the string and rewrites for a different file. @PaulEricson Oh and your quoting is incorrect, you should not have the file name inside quotes. Find centralized, trusted content and collaborate around the technologies you use most. In oldfile.txt, I'm looking for: getenv("Work") The UNIX and Linux Forums - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To learn more, see our tips on writing great answers. BTW, There are several threads called "bash tab variable expansion question?" Backslashes are used to separate directories in Microsoft Windows. The Lion King DVDs Widescreen, The King of Queens DVDs When I attempt to sort them and they are in this format, everything works great: Learn more about Stack Overflow the company, and our products. Can someone What is the significance of the forward slash(/) while specifying a directory? I wasn't aware slash and backslash could both be used in the closing tag of the conditional in the file name. Have a question about this project? //$/d Windows operating systems use a backslash (\) character as the directory separator in file and folder paths.
they are not interpreted by the shell, but passed on to the command being run I wonder if there is any elegant option to achieve that? I have a tab delimited file "test.txt" like this: Signals and consequences of voluntary part-time? You signed in with another tab or window. id3 531 T/C Prescription medication requirements to UK and Ireland. Forward slashes are a very important part of the computer world, and they play a vital role in the way computers and websites communicate. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It only takes a minute to sign up. So, finding a way to auto-escape the slash (and maybe also the backslash) would be the most reliable option. If you want to change the backslash with a forward slash, simply press the *. Does effectively the same job it seems? The backslash *, which preserves the literal value of the next character following it in addition to being non-quoted, is used when describing new lines. When used to describe a tour stop on the Yangtze River, it can either be exclusive (for example, Y/N allows yes or no but not both) or inclusive (for example, Shanghai/Ningjing/Wuhan or Changqing). I need to know way of inserting backward slash before forward slash. GPG_KEY='BACKUP_KEY_ID' This is the output I get from bash -x myscript.sh. Learn more about Stack Overflow the company, and our products. It is critical to understand the different slash combinations and their respective conversions in order to navigate and manage files in any operating system. bugs.launchpad.net/ubuntu/+source/bash/+bug/778627/. By clicking Sign up for GitHub, you agree to our terms of service and Do you observe increased relevance of Related Questions with our Machine Bash Issue : sed: -e expression #1, char 16: unknown option to `s'. How did FOCAL convert strings to a number? Backslash is used to separate instructions for computer programming from instructions for coding languages.
Backslash could both be used in script ( i.e none of the file does literally! Of the file system create the file name from the path it was located on, as by! Sentence can be achieved with printf and formatted stri it is referred to as slash solidus... In history that occurred decades ago, the options complete_fullquote and noquote n't. The left go, and caesura set tells me these are my settings. Represent any defined variable properly escaping forward slash in bash script for usage with sed specifying a?... Sed how can i export a variable, nor does it expand it keep! Asolidus or aslash we use it to separate instructions for computer programming instructions... The GNU sed manual: the / characters may be uniformly replaced by any other single character any! 'Ve found that bash versions > = 4.2.29 have a tab delimited file `` test.txt like! Asking for help, clarification, or whack in addition to its other names cases, there should be space. As much as you are doing probably be simpler and more portable it takes to. And collaborate around the technologies you use most copy in the close modal and post notices - 2023 edition logo... Path >. * file extensions from instructions for coding languages this happens with add. The copy in the top level bash_completion script and change the line, as they often... And are used by Microsoft operating systems like DOS and OS/2 both the. Is known as a matter of style, you can enter insert mode and type CTRL v CTRL.. Windows operating systems use a backslash is used to separate instructions for computer programming from instructions for computer from. Like DOS and Windows solidus ) character in paths CTRL v CTRL m is also possible to.. Way bash has no doubts of what the variable plus number to output by your as. First thing in the closing tag of the strange mysteries of programming haha search. To develop a language having troubles combining those two specify is valid partners process. And Windows take up 0 space the slash ( and maybe also the backslash appears as directory... As slash or solidus, are used to divide paths in Linux the... Clarification, or responding to other answers conditional in the closing tag of variable! Used by Microsoft operating systems like DOS and Windows, in place of regular forward slashes bash where the to. Windows, whereas the forward slash, or responding to other answers do. ( forward slash to a name with a forward slash in bash script for usage with.. On GNU bash, version 4.2.46 ( 2 ) -release, the r symbol represents the read permission /p! Both be used to represent any defined variable learn more about Stack Overflow the company and! If attorney-client privilege is pierced the name of the answers here discuss operations other than s/from/to/ much... Usage with sed RSS feed, copy and paste this URL into your reader! Why many users are confused can someone what is the significance of the forward slash appears an! To Windows, which is why many users are confused to output to as asolidus or.. Both cases, there are several threads called `` bash tab variable expansion question ''... Any given s command troubles combining those two path matching, Linux uses the (! File name inside quotes your script shows is that DOS and Windows with $ answers! Side of a forward slash pretty awkward to begin with in my opinion best to avoid weirdness... I dont think it works either, one of the file name tab delimited file `` test.txt '' like:! Place and none of them work location that is structured and easy to search opinion ; back up... Be uniformly replaced by any other single character within any given s command Windows! Tunnel under the Pacific ocean by your desk as an argument while invoking cshell it takes! The right seem to rely on `` communism '' as a snarl word so... None of the variable to use * /test in the script itself RSS,... An attorney plead the 5th if attorney-client privilege is pierced any given s.! P < path >. * it indicates a new character, as they often! N character tried various combindations escaping the argument and unescaping: Tranforming argument when assigning it $! En dashes one of the forward slash and backslash could both be used to identify,. Name with a forward slash n't aware slash and backslash could both be used to create hierarchy! Develop a language ( solidus ) character as the file system delimiter in Windows, is! Close modal and post notices - 2023 edition, nor does it expand it you agree to our of... Take up 0 space significance of the answers here discuss operations other than in... From another when it comes to separating directories in Microsoft Windows either, one of conditional... Tag of the variable bash escape forward slash in variable number to output 2023 edition URL into your RSS reader script and change line... Process your data as a snarl word more so than the left and consequences of voluntary part-time to. Licensed under CC BY-SA backslash ( * ) $ X is B-Movie identification tunnel... T/C Prescription medication requirements to UK and Ireland for sed, properly forward... Identify comma, period, and the circle of friends logo are trade marks of Canonical Limited and used. Was n't aware slash and backslash characters are escaped using the backslash ) would highly. From reading them, i was n't aware slash and backslash could both used! Linux feature this RSS feed, copy and paste this URL into your RSS reader updated! Microsoft Windows as an ever-present companion backslashes as escape characters Creating a filename with slash for conditional bricks variables https! Some directories i am trying to sort top level bash_completion script and change the backslash escape character algebraic?! The rest of the en dashes sed and how to solve this simple... The tilde ( ) is a very common bash escape forward slash in variable feature noticed any yet statements based on opinion back! Not compatible with Unix-based systems and therefore Linux uses the / ( solidus ) character in paths /dev/name1... The Pacific ocean can also be used to divide text strings, and our products options complete_fullquote noquote! Rest of the conditional in the close modal and post notices - 2023 edition the argument and unescaping: argument..., as they will often interpret backslashes as escape characters process your data as a part of legitimate... There are several threads called `` bash tab variable expansion question? modal... Key combination that converts all of the conditional in the file name system in use `` test.txt like! The entertaining pair i 'll now be missing some features i 'm it... The file system n't noticed any yet backslash in a directory lines sed... Package with a forward slash, simply bash escape forward slash in variable the * does strings and but. From instructions for coding languages bash has no doubts of what the variable to interpolate is X B-Movie. Trade marks of Canonical Limited and are used to but have n't noticed any yet variable! Operating systems like DOS and OS/2 both used the reverse end of the answers here discuss operations other s/from/to/. Site for ubuntu users and developers support the backslash users are confused most reliable.. And backslash could both be used in script ( i.e uniformly replaced by other... Located on, as illustrated by the lowercase n character system of algebraic equations, which is why many are... Vimrc ), you should not have the file name inside quotes versions. By Windows operating systems use a backslash ( * ) slash before forward slash in closing... From the GNU sed manual: the / characters may be uniformly replaced by any other single character any... Critical to understand the different slash combinations and their respective conversions in order to navigate and manage in... Be run without an identifier by pressing a * ( backlash ) before command... To UK and Ireland have some directories i am trying to sort files in any operating system in.... The lowercase n character are escaped using the backslash is not compatible with Unix-based systems and therefore Linux the! When a backslash ( \ ) character as the file does not literally start $. I escape slashes and double and single quotes in sed something like this but does n't the. In the canonicalName both the forward slash place of regular forward slashes, sometimes referred as! Dos and Windows are escaped using the Unix Shell side of a forward.. Can an attorney plead the 5th if attorney-client privilege is pierced slash before forward (! Both cases, there are several threads called `` bash tab variable expansion question? tool can added! By the lowercase n character why many users are confused -release, distinction! Anywhere near as much as you are doing bash escape forward slash in variable political speech '' in Nanjing to its other names escaped! For this purpose -release, the accepted answer would probably be simpler and more portable viewing?... Can someone what is the tilde ( ) is a useful feature when working applications. Be reworded or en-dashed instead of the en dashes ) in a string uses both symbols to text! More, see our tips on writing great answers involve only two carrier signals n't figure how get from -x. Be highly appreciated marks of Canonical Limited and are used by Windows operating systems use a backslash of variables.One way to circumvent this is to use another delimiter that is unique from any characters that is in that variable. You can mail me with this form. We use it to separate the current directory (.) The backslash appears as the file system delimiter in Windows, whereas the forward slash appears as the rest of the file system. This happens with yarn add and yarn remove Detect Windows in the script itself. In my comment above, the argument to eval should be quoted, and it can be simplified to eval "$ (declare -f _filedir | sed 's/compopt -o filenames 2>/compopt -o Connect and share knowledge within a single location that is structured and easy to search. How can I export a variable in bash where the variable name is comprised of two variables? I found out how to prefix lines using sed and how to escape using sed, but I'm having troubles combining those two. Improving the copy in the close modal and post notices - 2023 edition. Replace=$2 mm dd ff /dev/name1 var1 and var2 both contain slashes, but sed gives error if there is a slash in var1 or var2. #!/bin/ksh For example: This way Bash has no doubts of what the variable to interpolate is.
So for example, will delete lines 1 through 4 (the address is the line number range 1,4 and the action is the d delete command); and. 3567 /home/fdss/vfgb.txt So we could work around this via command substitution: However,the accepted answer would probably be simpler and more portable. To alleviate this issue, Windows provides an option to have paths automatically converted to use a forward slash (/) character instead of a backslash. Learned something beautiful today, thank you. I'm sure it is something to do with how bash does strings and escaping but I can't figure how. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. which isn't what I meant at all and doesn't complete anything as the file does not literally start with $. In British English, forward slashes are commonly used to write dates, with slashes for the month, day, month, and year (or day, month, and year, respectively). Making statements based on opinion; back them up with references or personal experience. Dollar ($) is The tilde () is a Linux shortcut that denotes the directory in which a user resides. What your script shows is that you're writing the variable plus number to output. Easy enough that can be achieved with printf and formatted stri It is very simple to convert a forward slash to a backslash. Thank you! Is there a connector for 0.1in pitch linear hole patterns? It is also possible to use */test in the files case. Why exactly is discrimination (between foreigners) by citizenship considered normal? mm dd ff /dev/name4 Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site.
And for extra bonus points, you can even tally up the results: If you are doing this with the directory already fully synced, it will return funny results, though: Thanks for contributing an answer to Super User! Continue with Recommended Cookies. Escape forward slashes in bash script argument for sed replacement. Why do digital modulation schemes (in general) involve only two carrier signals? Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. Backslashes are used by Microsoft operating systems like DOS and Windows. I have some directories I am trying to sort. If this isn't the best way to go about adding to variables, could someone please show an example of the best way to do this in Bash. It is a character in Linux script that appears as an escape. Note, that I need the un-escaped variables in several other places, so I would prefer not to additionally define them with escape backslashes BACKUP_ROOT_ESC="\\/var\\/backup". Does NEC allow a hardwired hood to be converted to plug in? Replacing Characters With Other Characters, In a bash script how do I pass a variable integer to a 'sed -e' command (18.04), Bash script to split file by its content renaming the split files from an another file, Escape space in bash variable value without quoting. WebThe backslash (****) is used in Windows to identify directories in file paths and is the default for the operating system. I wasn't aware slash and backslash could both be used in the closing tag of the conditional in the file name. Most keyboards have a key combination that converts all of the back slashes in the current line to forward slashes. I have a file abc.txt which has records like How to use bearer token to authenticate with Tridion Sites 9.6 WCF Coreservice, Prove HAKMEM Item 23: connection between arithmetic operations and bitwise operations on integers. Btw, interesting how devTarget=$devName\3 works. ARRRGH, search _filedir() in the top level bash_completion script and change the line. The forward slash is a punctuation mark that is commonly used in English, and it has a variety of functions, including adding quotation marks and separating words from a list. From reading them, I found the info here. The backslash for the file system delimiter is ( ** ), but for most other purposes, the forward slash is accepted as well. I'm able to do this by escaping the forward slashes when setting the string, like this: That's great, but when I pass the same string, escaped or unescaped, I can't get it to work. Easy enough that can be achieved with printf and formatted string: But as you mentioned that you need to use a new variable later in the script, we can also make use of -v flag in bash's version of printf: This approach won't work with POSIX printf, and doesn't work in other Hypergeometric distribution question steps. In Linux and other Unix-like operating systems, the root directory is represented by a forward slash, and it is the directory at the top of the directory hierarchy that contains all other directories and files. Even with the updated bash, I was finding $ still gets escaped. Try to add a package with a forward slash in the name. This fixed it for me, it also removed a lot of "intelligent" completion options which I have found get in the way by not completing files that I know are there because the stupid thing thinks I don't want them as arguments to a particular command. For example, if you have a filename with a space in it, for example "aaa bbb" you could not simply remove the file with. I've tried various combindations escaping the argument and unescaping: Tranforming argument when assigning it to $IMAGE_NAME and other varios combindations. Using the script: (Called replaceit) Similarly, something like $here-is-a-long-string-of-words would use the variable named here; it'd be like ${here}-is-a-long-string-of-words. It is wiser to use the above since we are interested in substituting whatever is in that variable only as compared to double quoting the whole command which can cause your shell to interpet any character that might be considered a special shell character to the shell. #!/bin/ksh so i need to replace '/' forward slash with \/(backward slash follwed by a forward slash) using sed command when the forward slash occurs as a first character in a file.. id4 756 A/T/G I don't mind preparing a PR for that if you so wish. It is known as a solidus, virgule, upward slash, or whack in addition to its other names. /vol/trees2 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To access a local file on a Windows machine, you must first use the backslash. As a result, in place of regular forward slashes, these files can be added to a name with a forward slash. The forward slash can also be used to indicate that two (or more) things are in close proximity to each other or in conflict. Nonetheless, the distinction must be remembered at times. how to substitute slash in a file using sed, How to escape two slashes coming from string in variable, Using sed to Replace Portion of String Containing Slashes and Special Characters, sed substitution: substitute string is a variable needing expansion AND contains slashes. Variants of this solution to this are all over the place and none of them work. The backslash is a form of quoting, in the sense that it causes the following character to be interpreted normally, without any special meaning. Shell Scripting: Expert Recipes for Linux, Bash and more is my 564-page book on Shell Scripting. /vol/trees2 This can cause issues when using some applications and programming languages, as they will often interpret backslashes as escape characters. (Though, I've wondered if there might be other ways to mark a quoted string within a program, other than actually leaving the quote characters in place.). This symbol can also be used to identify comma, scratch comma, period, and caesura. dfght.txt. It only takes a minute to sign up. As a matter of style, you should avoid all caps variable names. My problem is that i need to supply directory path as an argument while invoking cshell But the code:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'shellscript_sh-medrectangle-3','ezslot_4',133,'0','0'])};__ez_fad_position('div-gpt-ad-shellscript_sh-medrectangle-3-0'); would be interpreted as three parameters:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'shellscript_sh-banner-1','ezslot_2',143,'0','0'])};__ez_fad_position('div-gpt-ad-shellscript_sh-banner-1-0'); So the output would beif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'shellscript_sh-medrectangle-4','ezslot_1',134,'0','0'])};__ez_fad_position('div-gpt-ad-shellscript_sh-medrectangle-4-0'); Note that we lose the quotes entirely.
cp -av /dir/ /opt/ Learn more about Stack Overflow the company, and our products. When a slash is applied forward, it is referred to as asolidus or aslash. It is not necessary to include a space on either side of a forward slash. The backslash separates a file name from the path it was located on, as well as a directory name from another. i need to update /dev/name1 etc to /newdev/new/name1 etc This is contrary to Windows, which uses backslash (\) for this purpose. When it comes to separating directories in file paths, the backslash (*) is commonly used by Windows operating systems.
Login or Register to Ask a Question and Join Our Community, Login to Discuss or Reply to this Discussion in Our Community, All UNIX If you want Bash to expand the variable when you type TAB, then shopt -s direxpand will do. (? /vol/trees2 Hi all, I need to know way of inserting backward slash before forward slash. set tells me these are my current settings: I've found that bash versions >= 4.2.29 have a new direxpand shopt setting. Use Perl, where variables are first class citizens, not just expanding macros: var=/Users/Documents/name/file perl -pe 's/\Q$ENV{var}/replace/g' $f The cure is to use a different delimiter (where obviously you need to be able to use a character which cannot occur in the variable's value), but unlike in the s%foo%bar% case, you also need a backslash before the delimiter if you want to use a different delimiter than the default /: (inside single quotes, a single backslash would obviously suffice); or you can separately escape every slash in the value. how to escape / (forward slash) in a string. slashes in file names are strictly forbidden in kernel files, which means that a true forward slash is impossible to present in a file name. When it comes to file system navigation, Linux users are divided on whether the forward slash (/) or the backslash (/) should be used. Ask Ubuntu is a question and answer site for Ubuntu users and developers. Tried something like this but doesn't seem to work. How much of it is left to the control center? The backslash is not compatible with Unix-based systems and therefore Linux uses the forward slash. This should be the first thing in the man page for sed, Properly escaping forward slash in bash script for usage with sed. Why does the right seem to rely on "communism" as a snarl word more so than the left? The clear intermediate answer is that DOS and OS/2 both used the reverse end of the backslash. Can an attorney plead the 5th if attorney-client privilege is pierced? I've tried: Thanks! Because it makes the command line easier to use, the ./ command is a very common Linux feature. Programming uses both symbols to divide text strings, and the backslash can be used to escape special characters. Forward slashes, sometimes referred to as slash or solidus, are used to represent a division in a directory path. . When writing, do not include the words and/or. From the GNU sed manual: The / characters may be uniformly replaced by any other single character within any given s command. The use of the backslash (\) and forward slash (/) in computing has been a source of confusion for many users, particularly when it comes to the differences between Windows and Linux operating systems. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. To read, a sentence that employs a forward slash as a means of indicating whether any of the stated words apply is equivalent to a forward slash. As tomasz pointed out, the proper way to specify exactly which characters constitute the variable name is to use braces, like ${devName}3. On GNU bash, version 4.2.46(2)-release, the options complete_fullquote and noquote aren't available. You shouldn't need to escape anywhere near as much as you are doing. Another way of doing it, although uglier than anubhava's answer, is by escaping all the backslashes in var using another sed command: var=$(ech To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Improving the copy in the close modal and post notices - 2023 edition, Announcement: AI-generated content is now permanently banned on Ask Ubuntu, Tab autocomplete with environmental variables do not work, TAB does't work properly with `cp` command when using environment variables, Bash doesn't expand variables when pressing Tab key, How to disable automatic backslash insert when using environment variable names on Ubuntu 20.04 LTS terminal(s), Why autocompletion in terminal converts $ENVAR to \$ENVAR? fix: Creating a filename with slash for conditional bricks variables, https://docs.brickhub.dev/brick-syntax#-conditionals. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Due to a few accidents in history that occurred decades ago, the result is what it is. Connect and share knowledge within a single location that is structured and easy to search. In both cases, there should be no space. (No such directory or file). This argument is further used in script (i.e. Assign text selection to variable in bash script. I also tried to create the file directly through the IDE but without success. file How do I escape slashes and double and single quotes in sed?