Simple bash script that print the SHA* of the given string, defaults to SHA1

shastring

#!/bin/bash

# 
# Print the SHA* of the given string, defaults to SHA1
# 

# $method, $string
print_digest()
{  
  echo -n "$2" | openssl dgst "$1" | cut -f 1 -d " "
}

case "$1" in
    -0|   --sha|   -sha) print_digest "-sha"    "$2" ;;
    -1|  --sha1|  -sha1) print_digest "-sha1"   "$2" ;;
  -224|--sha224|-sha224) print_digest "-sha224" "$2" ;;
  -256|--sha256|-sha256) print_digest "-sha256" "$2" ;;
  -384|--sha384|-sha384) print_digest "-sha384" "$2" ;;
  -512|--sha512|-sha512) print_digest "-sha512" "$2" ;;
  
  -?*) echo "Unknown digest: \"$1\"" ; exit 1 ;;
  
    *) print_digest "-sha1" "$1" ;;
esac

exit 0