cleanup.sh

#!/bin/bash -x

help() {
  echo "Usage: cleanup.sh 'path/to/a.zip' 'Name' 'Replacement'"
}

if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then
 help
 exit 1
fi

file="$1"
name="$2"
replacement="$3"

tmp_dir="$(mktemp -d)"
unzip -qq "$file" -d "$tmp_dir"

(
cd "$tmp_dir"
find . -exec sed -i '' "s#$name#$replacement#" {} 2>/dev/null \;
)

tar czf output.tar.gz -C "$tmp_dir" .

echo "Content is now on output.tar.gz"