rename "s/\'//g" *
rename -v "s/(\'|-)//g" *
$ let "a=2+2"
$ echo $a
4
$ if (( $a > 2 )); then echo "Bigger"; else echo "smaller"; fi
Bigger
$ if (( $a+2 > 6 )); then echo "Bigger"; else echo "smaller or equal"; fi
smaller or equal
c:\xampp\mysql\bin\mysql.exe -u dk -p4332 -h localhost