scripts/acme/Wikitag


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#!/bin/zsh

while getopts ":l" opt; do; case $opt in
	l) label=1 ;;
	*) exit 1
esac; done

cycle=( artist track album group )

src=$(</dev/stdin)

if [[ ! $src =~ '^\[\[.*\]\]$' ]]; then
	printf '[[%s]]' "$src"; exit 0
fi

src=$src:s/[[//:s/]]//

if [[ ! $src =~ '^[^ ]+:' ]]; then
	if [[ -v label ]];
	then printf '[[%s:%s|%s]]' ${cycle[1]} $(wikebab <<< "$src") "$src"
	else printf '[[%s:%s]]' ${cycle[1]} $(wikebab <<< "$src")
	fi; exit 0
fi

replacer=${src%:*}
value=${src#*:}

place=${cycle[(ie)$replacer]}
length=${#cycle}
if (( place >= length )); then
	next=1
else
	(( next = place + 1 ))
fi

printf '[[%s:%s]]' ${cycle[$next]} $value