first commit -- goval

goval

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+##
+## validate a gophermap -- just pipe in the file
+##
+## (c) 2018 Vincenzo 'KatolaZ' Nicosia <katolaz@freaknet.org>
+##
+
+FIN=${1:-/dev/stdin}
+
+res=$(cat $FIN | sed -n -E -e '/(^[0-9+gIThis].*\t.*\t.*\t|^\.\r$)/! =' | tr '\n' ' ')
+
+[ -z "$res" ] && exit 0
+echo "Errors on lines: $res" >&2 && exit 1