to_chd.sh

to_chd.sh

#!/bin/sh
set -e

INPUT="$1"
OUTPUT="${INPUT%.*}.chd"

if [ -z "$INPUT" ]; then
  echo "Usage: $0 <input.iso>"
  exit 1
fi

if [ ! -f "$INPUT" ]; then
  echo "Input file not found: $INPUT"
  exit 1
fi

if [ -f "$OUTPUT" ]; then
  echo "Output file already exists: $OUTPUT"
  exit 1
fi

chdman createcd -i "$INPUT" -o "$OUTPUT"
echo
echo "ISO size: $(du -h "$INPUT" | cut -f1)"
echo "CHD size: $(du -h "$OUTPUT" | cut -f1)"
echo

read -p "Delete original ISO? (y/N) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
  rm "$INPUT"
  echo "Original ISO deleted."
fi