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#!/bin/sh
##
## validate a gophermap -- just pipe in the file
##
## (c) 2018 Vincenzo 'KatolaZ' Nicosia <katolaz@freaknet.org>
##
[ -z "$(cat ${1:-/dev/stdin} | sed -n -E -e '/(^[0-9+gIThis].* .* .* |^\.\r$)/! =' \
| tr '\n' ' ' | tee /dev/stderr )" ] && exit 0
echo && exit 1
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