Off the cuff:

perl -p -i.bak -e 's/^(.*text-you-are-searching-for.*)$/${1}text-to-append/;'

>>> amy at real-time.com 04/15/02 11:39AM >>>
What's the simplest way to do the following in perl:
Take as input a file.  Search for a line containing a particular string.
Then append to that line.