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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
slugify [CONTENT...]
slugify -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
CONTENT a literal string to be slugified
"slugify" the input string, removing diacritics and punctuation
from the string, on a best-effort basis. If CONTENT is not
given, get data from STDIN.
Examples:
Slugify the input string:
$ slugify 'Saçi-pererê, tomando açaí!!'
saci-perere-tomando-acai
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 $((OPTIND - 1))
esc() {
iconv -ct ASCII//TRANSLIT |
tr '[:upper:]' '[:lower:]' |
sed \
-e 's/[^a-z0-9]/-/g' \
-e 's/--*/-/g' \
-e 's/^-//' \
-e 's/-$//'
}
if [ $# = 0 ]; then
esc
else
for s in "$@"; do
printf '%s\n' "$s" | esc
done
fi
|
