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<hppavilion[1]> ` chmod "#!/bin/sh ; if [ $(date +%Y) != "$(basename "$0")" ] ; then echo \\"Hello, flat world!\\" ; fi" > bin/1492
author HackBot
date Fri, 01 Jan 2016 00:02:37 +0000
parents 07e92c85b28c
children 0356fbd182e8
line wrap: on
line source

#!/bin/bash
[[ "$1" = */* ]] || exit
topic=$(echo "$1" | lowercase | cut -d / -f 1)
[ -z "$topic" ] && exit 1
stuff=$(echo "$1" | cut -d / -f 2-)
perl -i -p -e 's/\n/ /' "wisdom/$topic"
echo "$stuff" >>"wisdom/$topic"
echo -n "Learned '$topic': "
cat "wisdom/$topic"