Zip each directory inside a given directory.

zipdir.sh

#!/usr/bin/env bash

# Show help
if [[ $1 = '--help' || $1 = '-h' ]]; then
  echo "Usage: $0 [TARGET_DIR]"
  echo "Zip each directory inside TARGET_DIR. If no argument is given, the current directory is regarded as TARGET_DIR."
  exit 1
fi

# Zip each directory inside the given directory
TARGET_DIR=${1:=.}
cd "$TARGET_DIR"
for i in *; do
  if [[ -d "$i" ]]; then
    zip -r "$i".zip "$i"
  fi
done