recursivecat

recursivecat.sh

#!/bin/bash

set -e

SCRIPT_NAME=$(basename "$0")

print_help() {
    cat << EOF
$SCRIPT_NAME: Recursively print matching files with content and separators.

Usage:
  $SCRIPT_NAME [directory] <filter1> [<filter2> ...]

Description:
  - Recursively scans the specified directory (default: current directory).
  - Filters files by one or more glob patterns (e.g., '*.sh', '*test*', '*.md').
  - For each matched file, prints:
      - The relative path
      - A separator
      - File content
      - Another separator

Examples:
  $SCRIPT_NAME . "*.sh" "*.md"
  $SCRIPT_NAME "*.py"
  $SCRIPT_NAME src "*main*"

Options:
  -h, --help    Show this help message and exit.

EOF
}

# --- Help option check ---
if [[ "$1" == "-h" || "$1" == "--help" ]]; then
    print_help
    exit 0
fi

# --- Parse arguments ---
if [[ $# -lt 1 ]]; then
    print_help
    exit 1
fi

# If the first argument is a directory, use it; else use '.'
if [[ -d "$1" ]]; then
    SCAN_DIR="$1"
    shift
else
    SCAN_DIR="."
fi

if [[ $# -eq 0 ]]; then
    echo "Error: At least one filter required."
    echo
    print_help
    exit 1
fi

# --- Build find command with filters ---
FIND_CMD=(find "$SCAN_DIR" -type f \( )
for filter in "$@"; do
    FIND_CMD+=(-name "$filter" -o)
done
unset 'FIND_CMD[${#FIND_CMD[@]}-1]'
FIND_CMD+=(\))

# --- Scan and output ---
"${FIND_CMD[@]}" | while IFS= read -r file; do
    echo "$file"
    echo -n "-----------------------------"
    cat "$file"
    echo -n "-----------------------------"
done