Convert multiple kmz files to kml

kmz_to_kml.sh

#!/usr/bin/env sh
# Convert kmz to kml
# @ffflorian, 2017

# Exit on error
set -eu

if ! command -v "7z" > /dev/null; then
  echo >&2 "Could not find 7z. Exiting."
  exit 1
fi

# Change file separator temporarily to allow filenames with spaces
OLDIFS=$IFS
IFS=$(printf "\n\b")

for FILE in *.kmz; do
  if 7z t "${FILE}" > /dev/null; then
    7z e -so "${FILE}" > "${FILE%.*}.kml"
    rm "${FILE}"
  fi
done

IFS=$OLDIFS