Archive and compress file and folders

pack

#!/bin/bash
# Archive and compress file and folders

# Display usage if no parameters given
if [[ -z "$@" ]]; then
#echo " ${0##*/} <file/dir> <*file/dir2> <*name>.tar.xz - archive file/folders"
  echo " ${0##*/} <file/dir> <*file/dir2> - archive and compress files and dirs"
  exit
fi

# Prompt for filename
while true; do
  read -p " Enter archive filename: " filename
  if [ -n "$filename" ]; then
    break
  fi
done

# Check if selection(s) exists
for a in "$@"; do
  if [ ! -f "$a" ]; then
    echo " Selection \""$@"\" does not exist."
    exit
  fi
done

# Create archive
tar -c --xz -f "$filename".tar.xz "$@" && \
echo " Created "$filename".tar.xz"