lineon => to get one sentence per line

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;