diff options
Diffstat (limited to 'x2p')
-rw-r--r-- | x2p/s2p.PL | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/x2p/s2p.PL b/x2p/s2p.PL index 0a8d5298d3..0ac27f9d70 100644 --- a/x2p/s2p.PL +++ b/x2p/s2p.PL @@ -69,6 +69,7 @@ $0 =~ s/^.*?(\w+)[\.\w]*$/$1/; # (p)sed - a stream editor # History: Aug 12 2000: Original version. # Mar 25 2002: Rearrange generated Perl program. +# Jul 23 2007: Fix bug in regex stripping (M.Thorland) use strict; use integer; @@ -742,15 +743,21 @@ sub Comment($$$$$$){ 0; } - -sub stripRegex($$){ - my( $del, $sref ) = @_; +# stripRegex from the current command. If we're in the first +# part of s///, trailing spaces have to be kept as the initial +# part of the replacement string. +# +sub stripRegex($$$){ + my( $del, $sref, $sub ) = @_; my $regex = $del; print "stripRegex:$del:$$sref:\n" if $useDEBUG; while( $$sref =~ s{^(.*?)(\\*)\Q$del\E(\s*)}{}s ){ my $sl = $2; $regex .= $1.$sl.$del; if( length( $sl ) % 2 == 0 ){ + if( $sub && (length( $3 ) > 0) ){ + $$sref = $3 . $$sref; + } return $regex; } $regex .= $3; @@ -1353,7 +1360,7 @@ sub Parse(){ } if( $cmd =~ s{^([^\\\n])}{} ){ my $del = $1; - my $regex = stripRegex( $del, \$cmd ); + my $regex = stripRegex( $del, \$cmd, "s" ); if( ! defined( $regex ) ){ Warn( "malformed regular expression", $fl ); $error++; |