From: gabriele renzi <surrender_it@...1.vip.ukl.yahoo.com>
Date: 2004-03-07T18:19:41+09:00
Subject: Re: Converting Line ends using Ruby (Was: Calling ruby scripts)

il 7 Mar 2004 00:36:04 GMT, Josef 'Jupp' Schugt <jupp@gmx.de> ha
scritto::


>Any to any conversion:
>
>DOS -> UNIX: ruby -p -i.bak -e '$_.sub!(/\r$/,"")' file_name
>DOS -> Mac:  ruby -n -i.bak -e 'print $_.chomp+"\r"'
>
>UNIX -> DOS: ruby -p -i.bak -e '$_.sub!(/$/,"\r")' file_name
>UNIX -> Mac: ruby -n -i.bak -e 'print $_.chomp+"\r"'
>
>Mac -> UNIX: ruby -p -i.bak -e '$_.gsub!(/\r/,"\n")' file_name
>Mac -> DOS:  ruby -p -i.bak -e '$_.gsub!(/\r/,"\r\n")'
>

you can safely omit $_, just use Kernel#gsub that is $_.gsub by itself