#!/bin/sh

# Props to https://www.commandlinefu.com/commands/view/8234/check-broken-links-using-wget-as-a-spider
set -eu

if test "$#" -lt 1; then
	echo >&2 "Usage: $0 <wget parameters, especially URL to test>"
	exit 1
fi

logfile="$(pwd)/wget.log.$(date +%FT%T)"
tmp=$(mktemp --directory)
cd "$tmp"

wget --spider -o "$logfile" -r -p -X '/soustredeni/*/fotogalerie/' "$@" || true # wget nejspíš skončí s chybou, že něco nestáhl…

echo "Result: (a last few lines of the file $logfile)"
sed -ne '/^Found [0-9]* broken link/,$ p' "$logfile"