update

config/shared/bin/catfiles

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="."
+declare -a SKIP_DIRS=()
+declare -a PATTERNS=()
+
+usage() {
+  cat <<EOF
+Usage: $0 [-r root_dir] [-s dir_to_skip]... -p pattern ...
+
+Options:
+  -r DIR       Root directory (default: .)
+  -s DIR       Directory name to skip (can repeat)
+  -p PATTERN   File pattern (e.g. '*.md', '*.txt') (required, can repeat)
+
+Example:
+  $0 -p '*.md'
+  $0 -r src -s node_modules -s .git -p '*.md' -p '*.txt'
+EOF
+  exit 1
+}
+
+while getopts ":r:s:p:" opt; do
+  case "$opt" in
+    r) ROOT="$OPTARG" ;;
+    s) SKIP_DIRS+=("$OPTARG") ;;
+    p) PATTERNS+=("$OPTARG") ;;
+    *) usage ;;
+  esac
+done
+
+shift $((OPTIND - 1))
+
+# Require at least one pattern
+(( ${#PATTERNS[@]} > 0 )) || usage
+
+# Build prune expression
+PRUNE_EXPR=()
+if (( ${#SKIP_DIRS[@]} > 0 )); then
+  PRUNE_EXPR+=( \( )
+  for i in "${!SKIP_DIRS[@]}"; do
+    PRUNE_EXPR+=( -type d -name "${SKIP_DIRS[$i]}" -prune )
+    [[ $i -lt $((${#SKIP_DIRS[@]} - 1)) ]] && PRUNE_EXPR+=( -o )
+  done
+  PRUNE_EXPR+=( \) -o )
+fi
+
+# Build pattern expression
+PATTERN_EXPR=( \( )
+for i in "${!PATTERNS[@]}"; do
+  PATTERN_EXPR+=( -name "${PATTERNS[$i]}" )
+  [[ $i -lt $((${#PATTERNS[@]} - 1)) ]] && PATTERN_EXPR+=( -o )
+done
+PATTERN_EXPR+=( \) )
+
+# Execute
+find "$ROOT" \
+  "${PRUNE_EXPR[@]}" \
+  -type f \
+  "${PATTERN_EXPR[@]}" \
+  -print0 |
+while IFS= read -r -d '' file; do
+  printf "\n===== %s =====\n" "$file"
+  cat "$file"
+done
+