In a one-liner, you can auto-chomp and auto-newline with "-l". You'll save 9 characters.

perl -ne 
 'push@{($|?"_0":"_1")},$_;eof&&$|++;END{$,=$?||map{print$_1[$-++],$_}
+@_0}'
file1 file2

[download]

In reply to Re: join program in one-liner by Anonymous Monk
in thread join program in one-liner by sh1tn

Title:
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