compiler script for xelatex documents

compiler.sh

#!/usr/bin/env zsh

if [ -e "$1" ] ; then
   file=$(readlink -f "$1")
   dir=${file%/*}
   base=${file##*/}
   name=${base%.*}
   ext=${file##*.}
else
   name=`basename "$0"`
   echo "usage: $name <file>"
   exit
fi

cd "$dir" || exit

case "$ext" in
   cpp) cc "$file" -o "$base" && "$base" 
      ;;
   tex) xelatex --output-directory="$dir" "$name" &&
        xelatex --output-directory="$dir" "$name" 
      ;;
    : '
    WSL2
      tex) xelatex.exe "$name" && xelatex.exe "$name"
     ;;
    '      
esac