";s:4:"text";s:4012:" The ^I indicates a tab space. When you need to have a tab as the delimiter for cut you simply don’t specify the -d switch. TAB Delimiter With Linux cut Command: No -d Switch 6,402, 678. Using cut -f -d with 'tab' as the delimiter. It is not a Shell feature as such. Specifying A Delimiter Other Than Tab. 7. Top Forums UNIX for Dummies Questions & Answers set output delimiter as tab in cut command # 8 methyl. and all failed in the same manner. The cut command is used for cutting out sections of the standard input stream or data files utilizing the Unix cut utility. Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. @UncleZeiv Got it; thanks for clarifying; given the interest in this question, it's fair to assume that the man page isn't enough. The grep process will have a literal grep [j]boss in its process command so will not be caught by the grep itself, which is looking for the character class [j] followed by boss.. Join Date: Mar 2008. Last Activity: 8 June 2016, 9:58 PM EDT. I also tried other representations of TAB such as ^V, TAB, [::space::], etc. As already pointed out, cut accepts omission of either the starting or the ending index of a column range, interpreting this as meaning either “from the start to column n (inclusive)” or “from column n (inclusive) to the end,” respectively: $ printf 'this:is:a:test' | cut -d: -f-2 this:is $ printf 'this:is:a:test' | cut -d: -f3- a:test Sign up to join this community. Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Home ; Questions ; Tags ; Users ; Unanswered ; How to define 'tab' delimiter with 'cut' in BASH? If your file look something like this (with tab as separator): 1st-field 2nd-field you can use cut to extract the first field (operates on tab by default): $ cut -f1 input 1st-field If you're using awk, there is no need to use tail to get the last line, changing the input to:. To retrieve the first field from this tab separated file. The default field delimiter for cut is the tab character, so there's no need to further specify this. The first part of your question is easy. You do not need sed or awk, a simple cut will do: cut -f2 infile awk. That grep trick, by the way, is a neat way to only get the jboss processes and not the grep jboss one (ditto for the awk variant as well)..
It is currently part of the GNU coreutils package and the BSD Base System. It is part of the GNU Coreutils package and the BSD Base System, hence, available on every Linux and BSD systems by default. canti:~$ cut --version cut (GNU coreutils) 5.97 You can specify only output delimiter as a string (useless in this case): Below I show a couple examples of a file trimmed down using cut with and without the -d switch as well as another way to convert tabs in a file to spaces which then will allow you to use the Linux cut command with the -d” ” switch. Only certain commands take \t as meaning tab. canti:~$ ll | cut --delimiter="delim" -f 1,2 cut: the delimiter must be a single character Try `cut --help' for more information. cut -f 1 input.txt This gives you the first column from the tab-delimited file input.txt. cut is a command-line utility that allows you to cut parts of lines from specified files or piped data and print the result to standard output. How to specify the tab space with the "-d" option? Anyhow since TAB is the default delimiter when using cut you can simply not use the -d switch and it will return the results you are looking for as shown in the below example. Registered User. The tab character is the default delimiter that cut uses to determine what constitutes a field.