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ebd13b60c1
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`.
50 lines
1.3 KiB
Bash
50 lines
1.3 KiB
Bash
# easier alias to use the plugin
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alias ccat='colorize_via_pygmentize'
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alias cless='colorize_via_pygmentize_less'
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colorize_via_pygmentize() {
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if ! (( $+commands[pygmentize] )); then
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echo "package 'Pygments' is not installed!"
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return 1
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fi
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# pygmentize stdin if no arguments passed
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if [ $# -eq 0 ]; then
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pygmentize -g
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return $?
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fi
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# guess lexer from file extension, or
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# guess it from file contents if unsuccessful
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local FNAME lexer
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for FNAME in "$@"
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do
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lexer=$(pygmentize -N "$FNAME")
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if [[ $lexer != text ]]; then
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pygmentize -l "$lexer" "$FNAME"
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else
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pygmentize -g "$FNAME"
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fi
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done
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}
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colorize_via_pygmentize_less() (
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# this function is a subshell so tmp_files can be shared to cleanup function
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declare -a tmp_files
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cleanup () {
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[[ ${#tmp_files} -gt 0 ]] && rm -f "${tmp_files[@]}"
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exit
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}
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trap 'cleanup' EXIT HUP TERM INT
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while (( $# != 0 )); do #TODO: filter out less opts
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tmp_file="$(mktemp --tmpdir "tmp.colorize.XXXX.$(sed 's/\//./g' <<< "$1")")"
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tmp_files+=("$tmp_file")
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colorize_via_pygmentize "$1" > "$tmp_file"
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shift 1
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done
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less -f "${tmp_files[@]}"
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)
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