detectfs

#!/bin/bash

if [ -z "$1" ]; then
    blkid |sed -n 's/\(.*:\).* TYPE=\"\([^\"]*\)\".*/\1\2/p'
else
    RES=`blkid "$1"`
    RC=$?
    if [ $RC -ne 0 ];then
    echo "$1:Not found or not supported (code $RC)"
    else
    RES=`echo "$RES"|sed -n 's/\(.*:\).* TYPE=\"\([^\"]*\)\".*/\1\2/p'`
    if [ -n "$RES" ];then
        echo "$RES"
    else
        echo "$1: Not exist TYPE"
    fi
    fi
fi