(C) 2003, Tim Maher       1-23       www.TeachMePerl.com
Perl as (a better) Sed Command
Stream Editing Applications:

One-liner for typing directly to shell
Benefit: access to Perl's enhanced RE metacharacters
perl -wlp -e 's/old/new/g;' [ files ]

 $ cat memo
 It was problematic; do you have a problem?

 $ sed 's/problem/issue/g' memo
 It was issueatic; do you have a issue?

 $ perl -wlpe 's/\ba problem\b/an issue/g;' memo
 It was problematic; do you have an issue?
 $