How to get columnized output from Bash command?
Let’s say that during your workday you repeatedly encounter the following form of columnized output from some command in bash (in my case from executing svn st in my Rails working directory):
How to echo just 1 column from LS…?
1 It’s the answer to what you would assume the overview question in the title means, and it has lots of votes and good answers, therefore is the top google hit, which keeps reinforcing that feedback loop.– squarecandyAug 4 ’20 at 17:26 Add a comment | 44
Which is the shortest way to extract column n?
If you save this in ~/bin/x and make sure ~/bin is in your PATH (now that is something you can and should put in your .bashrc) you have the shortest possible command for generally extracting column n; x n.
How to format LS output into one column?
The following command will format the lsoutput into one column: ls -1 /directory Share Improve this answer Follow edited Feb 26 at 17:00 SharpC 24922 silver badges77 bronze badges answered Mar 16 ’15 at 15:36 ch0psch0ps
How to get the second column from command output?
-d is a delimiter, -f is the field to cut and with -f2- we intend to cut the 2nd field until end. This should work to get a specific column out of the command output “docker images”:
How to get column of output in AWK?
Awk by default parses input into fields on whitespace; to use a different delimiter, use -F ‘:’ where : is the new delimiter. Implementing this as an option to the script makes it slightly longer, so I’m leaving that as an exercise for the reader.
How to split output by columns in Bash?
Instead of doing all these greps and stuff, I’d advise you to use ps capabilities of changing output format. You get the cmmand line of a process with the pid specified and nothing else. This is POSIX-conformant and may be thus considered portable. Bash’s set will parse all output into position parameters.