path_to_echos

#!/bin/bash
#
# A little script that given a path would produce a sequence 
# of bash (didn't check with posix shell)
# 'echo' and 'mkdir' commands to replicate content of that path.
# Initial motivation -- provide commands to embed into Container file.

set -eu

# Check if the path is provided
if [ -z "$1" ]; then
    echo "Usage: $0 <path> [<target_prefix>]"
    exit 1
fi

# Get the absolute path
SOURCE_PATH=$(realpath "$1")
SOURCE_DIR=$(dirname "$SOURCE_PATH")

TARGET_PREFIX=""
if [ "$#" -ge 2 ]; then
    TARGET_PREFIX="$2"
    if [ -d "$SOURCE_PATH" ] ; then
        # if we did point to folder and provided alternative prefix
        # take of entire folder as SOURCE_DIR
        SOURCE_DIR="$SOURCE_PATH"
    fi
fi


# Function to process a single file
process_file() {
    local file=$1
    if file "$file" | grep -q "text"; then
        relative_path=$(realpath --relative-to="${SOURCE_DIR}" "$file")
        file_content=$(cat "$file" | sed -e 's,\([$!\\]\),\\\1,g')
        # Print echo command to replicate the file content
        echo "echo \"${file_content//\"/\\\"}\"  > \"$TARGET_PREFIX$relative_path\""
        #echo "cat << 'EOL' > \"$TARGET_PREFIX$relative_path\""
        #cat "$file"
        #echo "EOL"
    else
        echo "Error: $file is not a text file."
        exit 1
    fi
}

# Function to traverse directory and print commands
traverse_directory() {
    local current_path=$1

    # Iterate over the items in the current directory
    for item in "$current_path"/*; do
        if [ -d "$item" ]; then
            # If item is a directory, print mkdir command
            relative_path=$(realpath --relative-to="$SOURCE_DIR" "$item")
            echo "mkdir -p \"$TARGET_PREFIX$relative_path\""
            # Recursively traverse the directory
            traverse_directory "$item"
        elif [ -f "$item" ]; then
            # Process the file
            process_file "$item"
        else
            # If item is neither a directory nor a file, exit with error
            echo "Error: $item is not a directory or a file."
            exit 1
        fi
    done
}

# Check if the target path is a directory or a file
if [ -d "$SOURCE_PATH" ]; then
    # If it's a directory, start traversing
    traverse_directory "$SOURCE_PATH"
elif [ -f "$SOURCE_PATH" ]; then
    # If it's a file, process the file
    process_file "$SOURCE_PATH"
else
    echo "Error: $SOURCE_PATH is not a directory or a file."
    exit 1
fi