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ohmyzsh/plugins/colorize/colorize.plugin.zsh
Francisco de Zuviría ebd13b60c1 colorize: add ability to colorize multiple files into less (#7662)
cless is an alias for a colorized less wrappper: colorize_via_pygmentize_less.
Note that cless opens many files as independent files, navigatable with `:n` and `:p`.
2019-04-22 21:06:47 +02:00

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# easier alias to use the plugin
alias ccat='colorize_via_pygmentize'
alias cless='colorize_via_pygmentize_less'
colorize_via_pygmentize() {
if ! (( $+commands[pygmentize] )); then
echo "package 'Pygments' is not installed!"
return 1
fi
# pygmentize stdin if no arguments passed
if [ $# -eq 0 ]; then
pygmentize -g
return $?
fi
# guess lexer from file extension, or
# guess it from file contents if unsuccessful
local FNAME lexer
for FNAME in "$@"
do
lexer=$(pygmentize -N "$FNAME")
if [[ $lexer != text ]]; then
pygmentize -l "$lexer" "$FNAME"
else
pygmentize -g "$FNAME"
fi
done
}
colorize_via_pygmentize_less() (
# this function is a subshell so tmp_files can be shared to cleanup function
declare -a tmp_files
cleanup () {
[[ ${#tmp_files} -gt 0 ]] && rm -f "${tmp_files[@]}"
exit
}
trap 'cleanup' EXIT HUP TERM INT
while (( $# != 0 )); do #TODO: filter out less opts
tmp_file="$(mktemp --tmpdir "tmp.colorize.XXXX.$(sed 's/\//./g' <<< "$1")")"
tmp_files+=("$tmp_file")
colorize_via_pygmentize "$1" > "$tmp_file"
shift 1
done
less -f "${tmp_files[@]}"
)