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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
categories FILENAME
categories -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
FILENAME the target categories index to be built
Generate FILENAME as the indexed list of articles by category.
Examples:
Generate the index.categories entry for english pastebins:
$ categories src/en/pastebin/index.categories
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
while getopts 'h' flag; do
case "$flag" in
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
. src/lib.sh
FILENAME="${1:-}"
eval "$(assert_arg "$FILENAME" 'FILENAME')"
DIR="$(dirname "$FILENAME")"
mkdir -p "$DIR"
printf '' > "$FILENAME"
find "$DIR"/*.categorysort 2>/dev/null |
awk -F. '{ print $(NF-1) }' |
sort |
uniq |
while read -r category; do
find "$DIR"/*."$category".categorysort |
sort -nr |
xargs cat > "$DIR/$category.category"
printf '%s\n' "$category" >> "$FILENAME"
done
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