manipulate a passed in parameter

Shell Programming and Scripting
1

I am passing a file name as a parameter to shell script
the parameter is getfile.txt.gpg

how do i process this parameter to get name like getfile.txt only and eleminate the .gpg text??

Thanks in advance

2

Try:

#!/bin/ksh
file="$1"
workfile=${file%*.gpg}
echo "$workfile"
3

works fine
Thank you

I tried the following and works fine too

x=`echo $1|wc -c`
y=`expr $x - 5`
z=`echo $1|cut -c1-$y`
echo $z

Thank you

can you explain your code please??