function catv { egrep -v "^$|^#" ${*} ; }

Output files without comments or empty lines

better integration. works on all Unices works one bash and ksh.
Sample Output
$ catv /tmp/test
foo
$ cat /tmp/test |catv
foo
$ cat  /tmp/test
foo
# comment
#bar

1
By: mobidyc
2009-09-11 14:58:47

1 Alternatives + Submit Alt

  • Filter comments and empty lines in files. I find this very useful when trying to find what values are actually set in a very long example config file. I often set an alias for it, like : alias nocomment='grep -v "^\($\|#\)"' Show Sample Output


    2
    grep -v "^\($\|#\)" <filenames>
    raphink · 2009-02-16 21:40:09 1

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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