minify_swift.sh

#!/bin/bash

# Check if input file is provided
if [ $# -ne 1 ]; then
    echo "Usage: $0 <input_file.swift>"
    exit 1
fi

input_file="$1"
output_file="${input_file%.swift}_cleaned.swift"

# Check if input file exists
if [ ! -f "$input_file" ]; then
    echo "Input file '$input_file' not found!"
    exit 1
fi

# Collect unique import statements
imports=$(awk '/^import / {imports[$0]=1} END {for (i in imports) print i}' "$input_file")

# Remove empty lines, lines containing only comments, and import statements
awk '!/^[[:space:]]*(\/\/.*)?$|^import /' "$input_file" > "$output_file.tmp"

# Remove leading and trailing whitespace from each line
sed -i '' -e 's/^[[:space:]]*//;s/[[:space:]]*$//' "$output_file.tmp"

# Append collected import statements at the beginning of the file
echo "$imports" > "$output_file"
cat "$output_file.tmp" >> "$output_file"

# Clean up temporary file
rm "$output_file.tmp"

echo "Swift code cleaned successfully! Output saved to '$output_file'."