mpgrep: add description

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 3 insertions, 0 deletions

diff --git a/mpgrep b/mpgrep
index aca092b..51a0d14 100755
--- a/mpgrep
+++ b/mpgrep
@@ -1,4 +1,7 @@
 #!/usr/bin/perl
+#
+# display the input line(s) if all patterns match
+#
 use warnings;
 use strict;