2016-10-27



If you want to match in awk against a pattern from a shell  vari-
able,  you  have a problem of escaping the pattern correctly, be-
cause otherwise the script will  break,  as  does  the  following
code:

     pat=a/b.c
     awk "/$pat/ {...}"

In awk, you have the advantage, that it uses EREs, where each es-
caped  character stands for itself literally, thus you can escape
just every character to match the string literally:

     pat=a/b.c
     pat=`echo "$pat" | sed 's,.,\,g'`
     awk "/$pat/ {...}"

You can use awk's index() function in this case as well:

     pat=a/b.c
     awk "index(, $pat)>0 {...}"

[0]

[0]  https://debianforum.de/forum/viewtopic.php?f=34&t=162733


http://marmaro.de/lue/        markus schnalke <meillo@marmaro.de>