Why use -n and not -p here?:

perl -i.bak -pe 'print "\n" if($.==1)'

or in the Perl Golf spirit:

perl -i.bak -pe 's/^/\n/ if($.==1)'

Update:Darn! fundflow is right! So let's try:

 perl -i.bak -pe 's/^/\n/ if(!$a); $a= !eof'

This one should work fine

In reply to Re: Yet another one-liner by mirod
in thread Yet another one-liner by wardk

Title:
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