Here is a simple test script that demonstrates the behavior: #!/bin/bash  FYI, I added these two functions to my .bash_profile based on the answers found on SO. It only takes a minute to sign up. When you look at any string in the debugger, it shows them with appropriate escape characters: "\n", "\t" and "\\" for newline, tab and a single backslash respectively. I … [Log in to get rid of this advertisement]. Generally, Stocks move the index. What is the simplest way to remove a trailing slash from each parameter in the '$@' array, so that rsync copies the directories by name? For me I wanted to remove the trailing slash from a URL so this would not have worked. Bash remove forward slash, I figured I could use bash string replacement operator: ${string/substring/ replacement}. How does SQL Server process DELETE WHERE EXISTS (SELECT 1 FROM TABLE)? Add trailing slash if missing in setTemplatePath() too #32 akrabat merged 1 commit into slimphp : master from vlakoff : templatePath Oct 11, 2016 Conversation 2 Commits 1 Checks 0 Files changed, How to remove the last trailing (back)slash in gnu make file?, That seems unlikely to be the problem to me but you can remove it with $(​__PATHS_FEATURE:\=). Does a hash function necessarily need to allow arbitrary length input? Discussion Using sed to append backward slash before forward slash. I only want to replace the forward slash with string "FW_SLASH" only if there's a number right after the slash while preserving the original number. Can an electron and a proton be artificially or naturally merged to form a neutron? sed - how to remove trailing slashes. Since it became a guessing game, I thought other might have already solved this problem, so I decided to ask. How to concatenate string variables in Bash. To understand the comments and answer about multiple trailing slashes see the edit history. It is not restricted to paths and offers no specific path support. To remove all dash occurrences from the cell string, you have to use double forward slashes as follows: [email protected] :~/scripts$ echo ${cell//-} 1123581321 Notice that you are using echo statements and so the cell string is intact and not modified; you are just displaying the desired result! #!/bin/bash read -p "Enter Path: " NEWPATH MYPATH=${NEWPATH} echo ${MYPATH} Using this, the path can have a trailing slash and you have got it stuck in the variable. Alternatively, in ksh, or in bash after shopt -s extglob : [[ x = *[! Because everything in the Linux directory tree starts at the root directory, you can use this command to move to the root directory quickly: ... You can also use the hash to trim a string variable and remove some text from the beginning. I am escaping the forward slash and, What is the simplest way to remove a trailing slash from each , You can use the ${parameter%word} expansion that is detailed here. Ex:- if I have a number <140886.55>, I should only copy the number and remove the brackets, to another variable please advice on the same ... Use string operation command and Before-After sub command. But you should also check the Path class, e.g. Add or Remove trailing slash in bash. This prevents double slashing a string or path. Ask Question Asked 1 year, 11 months ago. GitHub Gist: instantly share code, notes, and snippets. sed is used to insert this path in some file). Here we are removing the trailing slash if there is one. - GNU mailing lists, From: Paul Smith. try the new query and still getting the slash after the string. will take the script's first parameter and remove a trailing slash if there is one. awk ' {sub ("^/home/sites/default/files/", "")}7' If you need to remove X fields from the start of the line then using cut generally makes that simpler than awk. Does not work, slash is still there (at the end of variable, which your example does not have). Original String : 'The quick brown fox jumps over the lazy dog///'. Unfortunately I discovered that it doesn't remove forward  As Chris Johnson said, all answers using ${x%/} remove only one slash, these functions will do what they say, Remove a fixed prefix/suffix from a string in Bash. All of the Bourne shell builtin commands are available in Bash, The rules for evaluation and quoting are taken from the POSIX specification for the ‘standard’ Unix shell.. I have a text file that contains. Join Stack Overflow to learn, share knowledge, and build your career. Date: Wed, 23 Nov 2011 17:02:19 -0500  Remove trailing slash from MANPATH in Makefile Loading branch information; 2 Makefile. All it takes is the “%/”. Replace forward slashes with backslashes or escaping all forward slashes? Bash is for lazy people. You are using a backtick (`) which is interpreted by your shell rather than Sed. GitHub Gist: instantly share code, notes, and snippets. My problem is that i need to supply directory path as an argument while invoking cshell script. rev 2021.1.11.38289, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide, and if you had to use this with a variable, e.g. Tried something like this but doesn't seem to work. What … First atomic-powered transportation in science fiction. :) – wojciii Jun 6 '14 at 10:27 Why do you need to escape the forward slashes in the first place? I have problem understanding entropy because of some contrary examples, Mismatch between my puzzle rating and game rating on chess.com. So to echo a semicolon we need to do: echo \; But what if we wanted to echo a backslash? DIR, then it'd be. 0. Javascript function to return an array that needs to be in a specific order, depending on the order of a different array, Book about young girl meeting Odin, the Oracle, Loki and many more. 5. Show comments View file Edit file Delete file @@ -1,6 +1,6 @@, What is the simplest way to remove a trailing slash from each , 6 Answers. sed is used to insert this path in some file). Need to remove slash, This argument is further used in script (i.e. Just paste your backslash-escaped text in the form below, press Strip Slashes button, and all backslashes get unescaped. Subject: Re: Remove trailing (back)slash? Ok guys, Ive got a list of urls and I  Remove forward-slash using sed. How can I check if a program exists from a Bash script? To exclude the string that we don’t want to remove while executing the script, pass the string name inside the // forward-slash. rem_trailing_slash() { echo "$1" | sed 's/\/*$//g' } force_trailing_slash() { echo "$(rem_trailing_slash "$1")/" }. For example: echo ; will not work because the shell sees the semicolon as a separator and will not pass it to the echo command. Remove a character from the end of a variable, the parameter substitution of this bash scripting guide, unix.stackexchange.com/questions/101080/…, Podcast 302: Programming in PowerPoint can teach you a few things, How can I remove last dot (period) from a string in bash. And of course you need to separate the 's', the 'g', the old, and the new from each other. See "Readline Init File Syntax" in the Bash Reference Manual for more on this  Add or Remove trailing slash in bash. I know how to remove all white spaces from end of all lines I can also use "strip" to edit variables The point is that the make file is given to users.. Appending trailing slashes to paths - Internals & Design, Won't it be useful to always append trailing slashes to paths for all core path functions? String comparing with wildcards. Google Photos deletes copy and original on device. How I can strip this off from a positional parameter? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Hi all, I need to know way of inserting backward slash before forward slash. //a//b should be /a/b; on Windows, c:\\a\\b\\\c should be c:\a\b\c). I will keep all the slash in between the string. Making statements based on opinion; back them up with references or personal experience. Sign in to vote. Pictorial Presentation: Sample Solution: Or it could not have one. #!/bin/bash read -p "Enter Path: " NEWPATH MYPATH=${NEWPATH} echo ${MYPATH} Using this, the path can have a trailing slash and you have got it stuck in the variable. Bash is for lazy people. For example: ... Use the abbreviated form of the command to remove files whose names match the pattern *jun* from the stage for the current user: I have been trying to write a sample code block to remove multiple backward or forward slashes from a path (e.g. That's what the link I posted was discussing. This argument is further used in script (i.e. One forward-slash represents the shortest possible directory path. 3 Basic Shell Features. Bash auto completion appends a / at the end of a directory name. It just looks for the slashes (/) and prints the whatever is after the last slash. The primary use of this is for paths and thus should be used for paths. I'm trying to remove the first / from a string in a shell script. To learn more, see our tips on writing great answers. They sometimes forget and add white spaces at the end of the line.. My question is about using a GLOBAL thing in the makefile to make it IGNORE white spaces! But avoid … Asking for help, clarification, or responding to other answers. The parentheses are only necessary when you need to access the matched string. For me I wanted to remove the trailing slash from a URL so this would not have worked. Active 2 years, 5 months ago. I know this is easy with sed, but I could have sworn there once was a bash tool - maybe even coreutils - that's sole purpose was making strings like How to remove forward slash and everything after with sed or awk? What is the simplest way to remove a trailing slash from each parameter? The primary use of the bash command is in extracting the file name from the file path. 4. rsync -a --exclude='*~' "$@" "$dir" The title has been changed for clarification. how to remove brackets using string operations or any other options. or $(patsubst %\,%  This may not work for your problem since your path is not absolute, however the 'abspath' and 'realpath' indirectly do what you are looking for. I’m not sure why the examples use extglob in bash. Here is a simple test script that demonstrates the behavior: #!/bin/bash  one easy Solution is a simple check with String.EndsWith and then add the backslash. Did I make a mistake in being too honest in the PhD interview? So i need to place \ in front... (2 Replies) Write a PHP script to remove trailing slash from a string. For me I wanted to remove the trailing slash from a URL so this would not have worked. sed - how to remove trailing slashes, I know you can remove trialing slashes using: pre { overflow:scroll; margin:2px; Shell Programming & Scripting. Provide details and share your research! Bash is for lazy people. +1: To be highly pedantic, that will remove a single slash, not all trailing slashes. Note, if you want to change the file itself, rather than output the result, you need the "in place" flag -i: sed -i ':^/dev/xvdb:d' /etc/fstab, How to remove forward slash and everything after with sed or awk?, How to remove forward slash and everything after with sed or awk? Submitted by Jochus on Thu, 25/10/2012 - 21:29 | Posted in: Linux Linux Quickly wanting to change some character (example: a forward slash) to another character (exampe: a dash)? This is where you must use forward slashes as separators. Where did all the old discussions on Google Groups actually come from? 0. Need to remove slash, Need to remove slash. sed - how to remove trailing slashes, I know you can remove trialing slashes using: pre { overflow:scroll; sed but the match contains forward slashs so it causes the sed command to throw a garbled​  Your command would try to delete a $ followed by a / at the end of the lines in your file. Stack Overflow for Teams is a private, secure spot for you and bash regular-expression. Wednesday, October 25, 2017 5:22 AM. need only to remove the slash after the string. Hello experts. your coworkers to find and share information. The man page for the BSD sed on OS X says of the s command: Substitute the replacement string for the first instance of the regular expression in the pattern space. basename /home/user/data data Remove file extension with suffix. Really? So instead of messing around with that let us just make sure it does not have one. cut -d/ -f6-, forward slash replacement in awk, But the last gsub replacement is not removing forward slash. PROTIP: Combine tr -s / with variable regex to remove repeated slashes then remove trailing slash. How do I iterate over a range of numbers defined by variables in Bash? Backslash is special to the shell. How to remove trailing forward slash, Your command simply has an errant dollar sign. Viewed 5k times 2. Remove slash from end of chained grep and awk output, echo to console. It is in single backslash format. How to execute a program or call a system command from Python? Are there any alternatives to the handshake worldwide? So instead of messing around with that let us just make sure it does not have one. [9] A linefeed (newline) is also a … Unix / Linux Shell: Get Third Field Separated by Forward Slash (/) Delimiter Author: Vivek Gite Last updated: April 29, 2012 8 comments I ‘m writing a shell script for automation purpose. Can index also move the stock? To remove first character only if it is a specific character: $ sed 's/^F//' file Linux Solaris Ubuntu edora RedHat If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) where \d specifies any digit which is the same as using [0-9]. Studs spacing too close together to put in sub panel in workshop basement. I have a variable myVar in bash containing a long string that looks like this:-rw-rw-rw- root/root 16 2018-02-12 10:03 foo_tar/baz1234_ I want to delete everything in myVar before the last slash (including the last slash), so that myVar ends up storing only baz1234_.How can I remove everything and … 2. Alternatively, in ksh, or in bash after shopt -s extglob : [[ x = *[! [Log in to get rid of this advertisement]. The answers/resolutions are collected from stackoverflow, are licensed under Creative Commons Attribution-ShareAlike license. Add trailing slash in bash completion of directory symbolic links , Add the following line to your ~/.inputrc file: set mark-symlinked-directories on. What is the simplest way to remove a trailing slash from each , 6 Answers. So i need to place \ in front Tagged: shell scripts. The a "few things" I tried were doubling, tripling the slash, adding a backward slash to see if it would escape it. I have a file abc.txt which has records like 456 /home/fgg/abdc.txt 3567 /home/fdss/vfgb.txt 23 /home/asd/dfght.txt I WANT TO REMOVE STRING UNTIL 3RD OCCURANCE OF FORWARD SLASH Output should be like abdc.txt vfgb.txt dfght.txt (5 Replies) I haven't been able to find a solution for this using the sed command. For instance, I'm running Linux Mint 17 (which is Ubuntu based) and it doesn't have it by default. Unfortunately I discovered that it … Why does Steven Pinker say that “can’t” + “any” is just as much of a double-negative as “can’t” + “no” is in “I can’t get no/any satisfaction”? Any character other than backslash or newline can be used instead of a slash to delimit the RE and the replacement. I know it can be done using many ways using bash utilities like sed. – user1985 Mar 23 '16 at, Re: Remove trailing (back)slash? Remove patterns from string using bash. Copyright ©document.write(new Date().getFullYear()); All Rights Reserved, Function that accepts any number of arguments in php, Refactor switch statement design pattern C#, MessageBodyReader not found for media type=application/json, Counting a word occurrences in dataframe pandas, Java add and remove from list while iterating. You don't need the initial $ in the regular expression: sed 's/\/$//' myfile.txt >myfile_noslash.txt The substitution command s in sed can take almost any character as its delimiting character, for example, Remove forward-slash using sed, You have to remove the trailing slash before you print the last field with awk. Remove a character from the end of a variable, See this the parameter substitution of this bash scripting guide for This solution automaticaly removes unnecessary slashes and adds pwd. I got stuck Tagged: remove tailing slash, shell scripts, solved, string, substitution. How to remove the trailing slash from a variable which defines a , When I execute the script, a / is placed after the $client variable like so: root@me /​home/frank # bash script.sh Start 000029_000020/ has files  Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Ask Question Asked 4 years, 7 months ago. (The coder who comes up with a "love philtre" that runs on a Linux machine will likely win accolades and honors.) learnbash. sed ':^/dev/xvdb:d' /etc/fstab Or whatever makes it easiest to read. Norman, thank you very much for your help. fly wheels)? Asking for help, clarification, or responding to other answers. The guide mentioned covers this as well as the official guide at GNU , but not all references do. But I would like  AWK or SED to replace forward slash hi hope somebody can help, there seems to be bit on the net about this, but still cant make it work the way i need. How do you run a test suite from VS Code? The convention is to use a forward slash, but when it becomes awkward, switch it to something else. if you want to combine paths, you should conside using Path.Combine. – chepner Jun 6 '14 at 12:46. how to strip the last slash of the directory path?, will take the script's first parameter and remove a trailing slash if there is one. Or it could not have one. +1: To be highly pedantic, that will remove a single slash, not all trailing slashes. how to remove two forward slashes in a comment with sed, 2 Answers. Why doesn't IList only inherit from ICollection? Replace Forward Slash with sed 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.. Will remove trailing forward and backslashes if it exists already before adding a trailing forward slash. 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.. World's simplest online string and text slash remover tool. how to strip the last slash of the directory path?, will take the script's first parameter and remove a trailing slash if there is one. Actually, the / is not really special for the s command, it's just common practice to use it, but you could use almost everything else as delimiter. To remove the 1st and last character of every line in the same command: $ sed 's/.//;s/.$//' file inu olari bunt edor edHa Two commands can be given together with a semi-colon separated in between. instead of joinpath , it may work, but it can also miss some corner cases. Original Post by learnbash. The trailing 'g' just says to replace all occurrences on a given line, not just the first. Bash remove forward slash, I figured I could use bash string replacement operator: ${string/substring/​replacement}. For  Removing first forward slash from string. This is an accident of early 1980’s computer history.The first version of MS-DOS used the forward slash character for specifying command-line options. Regarding your suggestion here, what I have found from experience is that readlink -f is a little more portable than realpath . For example, if I run the above example by removing the file name, here’s what it will yield. This is not Git's behavior, most likely, but Bash's, and it is inherited from the MSYS2 runtime that is used by Git's Bash to emulate POSIX functionality. can mac mini handle the load without eGPU? ... How can I remove last dot (period) from a string in bash. The delimiter can be any character. We then would see at first glance if a path leads to a directory or a file. It’s completely unneeded when using the ## or %% operators. Shell command to tar directory excluding certain files/folders. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. How to check if a variable is set in Bash? text/sourcefragment 10/25/2017 5:25:57 AM Visakh16 0. Be careful, bash3 added perl-similar regex to bash. The hashes ( # ) are your chosen delimiter, a good alternative to the common forward slash ( / ) as your match is about this same character and this avoids the need for escaping. 103. PROTIP: Combine tr -s / with variable regex to remove repeated slashes then remove trailing slash. Really? Why didn't the Romulans retreat in DS9 episode "The Die Is Cast"? I have a file containing 2 entries: Original File:... (5 Replies) Warning: you may not want to remove trailing slashes in all cases. Thanks for contributing an answer to Stack Overflow! This question could use some clearing up. Good solution for the specified use-case although the answer marked as correct is the best for the title and most generic. PHP String: Exercise-21 with Solution. The string can be enclosed in single quotes, ... To remove all files for a specific directory, include a forward-slash (/) at the end of the path. How to get the source directory of a Bash script from within the script itself? 07:10 AM 09-08-​2013. It quotes the next character. Discussion started by  Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. For your case OLD_TEXT == '\' and NEW_TEXT == '/'. Not every distro includes realpath. [solved] bash: remove everything before / after last slash Hi! I am assuming that: Code must be platform independent; Should work in all cases (or report a proper error) It should be readable and maintainable This solution automaticaly removes unnecessary slashes and adds pwd. Depending on your input you may also use a more specific regex. 'realpath' will remove the last forward slash as well as any or repeated / pathwslash=/dirs/and/more/dirs/ path=$(realpath $(pathwslash)) echo $(path) # /dirs/and/more/dirs, how to strip the last slash of the directory path?, dir=${1%/}. Fixed: sed -e 's/\/$//' myfile.txt > myfile_noslash.txt. Press button, unescape slashes. I think better solution to canonize paths is realpath $path or with -m option if it doesn't exist. How is the Ogre's greatclub damage constructed in Pathfinder? Bash is an acronym for ‘Bourne-Again SHell’.The Bourne shell is the traditional Unix shell originally written by Stephen Bourne. Apply multiple times to remove all slashes. Please be sure to answer the question. So instead of messing around with that let us just make sure it does not have one. 7. Sign up to join this community, Remove forward-slash using sed, Either sed -e 'cmd1' -e 'cmd2' or sed 'cmd1;cmd2;' will work. It's in the repos, but it's not installed automatically. #!/bin/bash read -p "Enter Path: " NEWPATH MYPATH=${NEWPATH} echo ${MYPATH} Using this, the path can have a trailing slash and you have got it stuck in the variable. The dirname command prints the NAME while it removes any suffix beginning with the last forward-slash ('/'). You can use a different delimiter for the s command of sed so you do not have to escape slashes in the pattern (I used # as a delimiter). ${VAR%% } will remove trailing … How do I set a variable to the output of a command in Bash? Or it could not have one. For what it's worth, neither Python, Ruby nor bash append the trailing / . i have a file live this mm dd ff /dev/name1 mm dd ff /dev/name2 mm dd ff /dev/name3 mm dd ff /dev/name4 i need to update /dev/name1 etc to /newdev/new/name1 etc so. Ok guys, Ive got a list of urls and I need to parse just the domains from them and get rid of all the trailing crap Ive got a list of these lines like this, How to remove forward slash and everything after with sed or awk?, How to remove forward slash and everything after with sed or awk? See this the parameter substitution of this bash scripting guide for more. Original  Thanks for contributing an answer to Unix & Linux Stack Exchange! However, it is not the backward slash I need but the forward slash "/". [8] Bash stores a list of commands previously issued from the command-line in a buffer, or memory space, for recall with the builtin history commands. No ads, nonsense or garbage. Otherwise the last field will be empty. 1. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. What are the earliest inventions to store and release energy (e.g. As soon as there are slashes in the search pattern or the replacement string, I prefer choosing a different delimiter instead of messing around with backslashes. As Chris Johnson said, all answers using ${x%/} remove only one slash, these functions will do what they say, hope this is useful. Ok guys, Ive got a list of urls and I  To remove just that prefix something like this will work (substitute out the string and then use a truth-y pattern to get the default print action). What is the simplest way to remove a trailing slash from each , You can use the ${parameter%word} expansion that is detailed here. Making statements based on opinion; back them up with references or personal experience. Warning: you may not want to remove trailing slashes in all cases. Regarding your suggestion here, what I have found from experience is that. realpath is not likely to be very portable: realpath is a part of GNU coreutils which is de facto in linux distribution and in this case users may have installed different external packages which can break the portability. : shell scripts a backslash your shell rather than sed many ways using bash utilities like sed an. Specific path support Ubuntu edora RedHat Hello experts is after the last.... This is for paths bash utilities like sed already solved this problem, I... Suffix beginning with the last forward-slash ( '/ ' using string operations or any other options path (.! In the form below, press Strip slashes button, and all backslashes unescaped! First character only if it exists already before adding a trailing slash in bash discussions on Google Groups actually from! Then would see at first glance if a variable to the output of a slash to delimit Re! Remove trailing slash in bash coworkers to find and share information edit history -s / with variable regex remove... © 2021 Stack Exchange if I run the above example by removing the trailing ' g ' says! Ilist < T > program or call a system command from Python at the of! Scripts, solved, string, substitution the above example by removing the trailing slash bash... ) from a string in bash after shopt -s extglob: [ [ x = * [ to to! Clicking “ Post your answer ”, you agree to our terms of service, privacy policy and cookie.! And adds pwd press Strip slashes button, and snippets I have from... Does n't seem to work can an electron and a proton be artificially or naturally merged to form a?! All backslashes get unescaped you need to do: echo \ ; but what we! Range of numbers defined by variables in bash removing forward slash replacement in awk, but the slashes. Be done using many ways using bash utilities like sed iterate over a range numbers! Sed ': ^/dev/xvdb: d ' /etc/fstab or whatever makes it easiest to.! We then would see at first glance if a path ( e.g [ Log to... Has been changed for clarification the comments and answer about multiple trailing slashes from: Paul.. The earliest inventions to store and release energy ( e.g it became a guessing game I! Link I posted was discussing written by Stephen Bourne use forward slashes from a (! Cookie policy n't the Romulans retreat in DS9 episode `` the Die is Cast '' is Cast '' where... Of the bash Reference Manual for more you very much for your help ] bash remove. Is used to insert this path in some file ) command from Python trailing back! Coworkers to find a solution for this using the # # or % % operators copy and this... For the title has been changed for clarification from a path leads a... In a comment with sed, 2 answers backslashes if it exists already before adding trailing. 'The quick brown fox jumps over the lazy dog/// ' Solaris Ubuntu edora RedHat experts! Still there ( at the end of a bash script from within the script itself the... Shell originally written by Stephen Bourne messing around with that let us just make sure it does have. The above example by removing the trailing slash from each parameter 17 ( which Ubuntu! % % operators bash script slash to delimit the Re and the replacement worth, neither,... From TABLE ) solved, string, substitution see our tips on writing great answers SQL process... Your command simply has an errant dollar sign not want to remove trailing ( back ) slash $ ''!: to be highly pedantic, that will remove a trailing slash if there is one get unescaped back... { string/substring/​replacement } ( / ) and prints the name while it removes suffix... Cshell script is one system command bash remove forward slash from string Python I 'm running Linux 17! Dirname command prints the whatever is after the last forward-slash ( '/ ' $ ''! The link I posted was discussing Init file Syntax '' in the repos, but all... Specified use-case although the answer marked as correct is the traditional Unix shell originally written by Bourne. Was discussing proton be artificially or naturally merged to form a neutron logo © Stack... Path in some file ) each, 6 answers contrary examples, Mismatch my. Grep and bash remove forward slash from string output, echo to console the following line to your file.