On 07.04.2010 22:10, Kent West wrote: > I'm asking you folks, 'cause y'all know this stuff (I've been wrestling > with this simple task all day). > > I've got a text file; I just want a script (a one-liner sed or awk > command, etc, would be awesome) to check to see if the file contains a > certain line of text, and if not, to add that line at the bottom of the > file. > > For example, say the file has these four lines in it: > > john > mary > fred > martin > > I want a script that will read the file and look for the name "fred", > and if it's found, leave the file alone, but if it's not found, to add > the name "fred" to the bottom of the file. > > Any help appreciated. Thanks! >
#!/bin/sh grep -w "fred" file || printf "%s\n" "fred" >>file -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4bbcef02.8050...@chello.at
