gistfile1.txt

bartek@computingmachine:~$ cat wojtek 
#!/usr/bin/env bash

wojtek="$(stat -L -c %f $1)"
case $((16#$wojtek >> 12)) in
  1)  echo FIFO ;;
  2)  echo Character dev ;;
  4)  echo Directory ;;
  6)  echo Block dev ;;
  8)  echo Regular file ;;
  10) echo Symlink ;;
esac
bartek@computingmachine:~$ chmod +x wojtek 
bartek@computingmachine:~$ ./wojtek /dev/sda
Block dev
bartek@computingmachine:~$ ./wojtek /dev/zero 
Character dev
bartek@computingmachine:~$ ./wojtek /dev/std
stderr  stdin   stdout  
bartek@computingmachine:~$ ./wojtek /dev/stdout 
FIFO