diff --git a/perl/lineon.pl b/perl/lineon.pl new file mode 100755 index 0000000..5010abf --- /dev/null +++ b/perl/lineon.pl @@ -0,0 +1,22 @@ +#!/usr/bin/perl -w +use v5.20; + +sub usage { + say "usage : $0 [pattern [replacement]]"; +} + +do { usage ; exit 1} if @ARGV > 2; +do { usage ; exit 0} if @ARGV == 1 && $ARGV[0] =~ /-h/i; + +my ($pattern, $repl) = @ARGV; +#say "pattern: $pattern, replacement: $repl"; + +@ARGV = (); +my $lines = ''; + +$lines .= $_ while (<>); +$lines =~ s/\n/ /g; + +my @l = split /$pattern/, $lines; +map { $_ .= $repl } @l; +say for @l;