158 lines
3.7 KiB
Bash
Executable File
158 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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_md2_help() {
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cat <<- EOF
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Convert Markdown to different formats.
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Usage: md2 [-v|-h] <command> [args]..
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md2 html <input> [<output>]
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md2 man <input> [<output>]
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md2 pdf <input> [<output>]
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Options:
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-h, --help print this message and exit.
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-v, --version print version and exit.
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Commands:
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html convert to HTML.
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man|roff convert to ROFF. Pass only <input> for preview.
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pdf convert to PDF.
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Also you can use se symlbolic links to md2 to run commands.
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E.g.: symlink md2pdf -> md2 runs \`md2 pdf\`
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md2 is just Pandoc wrapper. Edit md2 source code for customize.
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EOF
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exit 0
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}
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_md2_usage() {
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echo "Usage: ${func:1} <input> [<output>]"
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[ "$func" == "_md2man" ] && \
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echo "Pass only <input> for preview."
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exit 0
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}
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_md2_version() {
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cat <<- EOF
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md2 0.1.0
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EOF
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exit 0
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}
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_md2() {
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# Wrapper function
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local inp out args preview
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[[ ! "$@" ]] && _md2_usage
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while (( "$#" )); do
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case "$1" in
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-h|--help) _md2_usage ;;
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-v|--version) _md2_version ;;
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-*) echo "${func:1}: $1: bad option." >&2
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_md2_usage ;;
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*) args+=("$1"); shift ;;
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esac
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done
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if [ ${#args[@]} -eq 2 ]; then
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inp="${args[0]}"; out="${args[1]}"
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elif [ ${#args[@]} -eq 1 ]; then
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inp="${args[0]}"; out="${args[0]%%.*}.${ext}"
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[ "$func" == "_md2man" ] && preview=1
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else
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_md2_usage
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fi
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echo -e "\e[1mInput:\e[0m \e[37m${inp}\e[0m"
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if [ "$preview" ]; then
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_md2man_preview "$inp"
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else
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echo -e "\e[1mOutput:\e[0m \e[37m${out}\e[0m"
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eval "$func" "$inp" "$out"
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fi
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}
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_md2_run() {
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# Another wrapper function.
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case "$1" in
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-h|--help) _md2_help ;;
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-v|--version) _md2_version;;
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html) func=_md2html; ext='html'; shift;;
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man|roff) func=_md2man; ext='1'; shift;;
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pdf) func=_md2pdf; ext='pdf'; shift;;
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*) _md2_help ;;
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esac
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_md2 "$@"
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exit $?
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}
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# BEGIN Pandoc wrapper functions ##########################################
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_md2html() {
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# HTML
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pandoc \
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--from=markdown \
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--to=html \
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--standalone \
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"$1" \
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--output="$2" \
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--variable document-css=true \
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--variable linkcolor='[HTML]{0000ff}' \
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--metadata title="${1%.*}"
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}
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_md2man() {
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# ROFF
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pandoc \
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--from=markdown \
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--to=man \
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--standalone \
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"$1" \
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--output="$2"
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}
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_md2man_preview() {
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# ROFF
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# View ROFF in pager without saving.
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pandoc --standalone --to man ${1:-"-"} | # Read into Pandoc
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groff -T utf8 -man | # format for pager.
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sed 1,4d | head -n -4 | # Chop off 4 leading/trailing
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# (empty) lines.
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less
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}
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_md2pdf() {
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# PDF
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pandoc \
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--from=markdown-implicit_figures \
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--to=pdf \
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"$1" \
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--output="$2" \
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--pdf-engine=xelatex \
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--variable mainfont='FreeSans' \
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--variable fontsize='12pt' \
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--variable urlcolor='[HTML]{0000ff}' \
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--variable pagestyle=empty \
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--variable margin-left='20mm' \
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--variable margin-right='20mm' \
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--variable margin-top='20mm' \
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--variable margin-bottom='20mm' \
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--highlight-style haddock
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}
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# END Pandoc wrapper functions ############################################
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case "$0" in
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*md2) _md2_run "$@"; shift "$#" ;;
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*md2html) func=_md2html; ext='html' ;;
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*md2man) func=_md2man; ext='1' ;;
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*md2pdf) func=_md2pdf; ext='pdf' ;;
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*) echo "$0: bad command"; _md2_help;;
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esac
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_md2 "$@"
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