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scripts/dist/export-help.sh
73 строки
2 KB
Michael Mayer
Scripts: Add dist/export-help.sh
15 авг 2025, 23:47
15 авг 2025, 23:47
ff00681
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#!/usr/bin/env bash # Recursively dumps CLI usage information into [command]-cli-commands.txt" # Usage: ./export-help.sh [command] set -u -o pipefail if [[ $# -lt 1 ]]; then echo "Usage: $0 <command>" >&2 exit 1 fi ROOT_CMD="$1" OUTFILE="$(basename "$ROOT_CMD")-cli-commands.txt" # Start with a clean file : > "$OUTFILE" # Bash ≥ 4 required for associative arrays. declare -A VISITED FIRST_BLOCK=1 crawl() { local full_cmd=("$@") local key="${full_cmd[*]}" # Skip if already processed (handles aliases) if [[ -n "${VISITED[$key]+x}" ]]; then return fi VISITED["$key"]=1 # Capture --help (stdout+stderr) local out if ! out="$("${full_cmd[@]}" --help 2>&1)"; then : # continue even if non-zero exit fi # Append block if (( FIRST_BLOCK )); then FIRST_BLOCK=0 printf "%s\n" "$out" >> "$OUTFILE" else printf "\n---\n\n%s\n" "$out" >> "$OUTFILE" fi # Extract subcommand names from COMMANDS: (or "Available Commands:") section(s) mapfile -t subs < <(printf "%s\n" "$out" | awk ' BEGIN { section=0 } /^[[:space:]]*(COMMANDS|Available Commands):/ { section=1; next } section==1 && /^[A-Z][A-Z ]*:/ { section=0; next } # next ALL-CAPS header ends the section section==1 { # Lines look like: "start, up Starts the Web server" s=$0 sub(/^[[:space:]]+/,"",s) if (s ~ /^[[:alnum:]][[:alnum:]-]*/) { # First token up to comma/space; skip help aliases split(s, a, /[,[:space:]]+/) if (a[1] != "" && a[1] != "help" && a[1] != "h") print a[1] } } ' | sort -u) # Recurse into each subcommand local sub for sub in "${subs[@]}"; do crawl "${full_cmd[@]}" "$sub" done } crawl "$ROOT_CMD" echo "Wrote command help to: $OUTFILE"