Variables in shell script not working

[Jef Driesen]

Karl Auer wrote:
> On Sat, 2008-11-15 at 17:04 +0100, Jef Driesen wrote:
>> The output should always go to stdout and when the script is used with
>> a filename, the original should not be modified. So that excludes
>> running dos2unix on it directly.
> 
> Try
> 
>    FILENAME=$1
>    cat $FILENAME | dos2unix | sed s/foo/bar/ 
> 
> This will work even if there is no filename, because cat takes stdin if
> no file is specified. If there is a filename, the named file will not be
> modified.

That did the trick!

Thanks everyone for the help.