Indeed looking at the script.... it should be possible to use it as Vipin indicated. However, for xml validity I wouldn't use the 'naked' > or < signs but use > instead. I am curious though on the script. Is it part of a larger script? Don't see any ARGs being read from command line.... but maybe my lack of knowledge.. ;P Alex ________________________________ Van: galaxy-dev-bounces@lists.bx.psu.edu [galaxy-dev-bounces@lists.bx.psu.edu] namens Vipin TS [vipin.ts@gmail.com] Verzonden: maandag 23 mei 2011 14:09 Aan: Jayant Khopale CC: galaxy-dev@lists.bx.psu.edu Onderwerp: Re: [galaxy-dev] Need help with uploading a perl script in Galaxy local instance Hi Jayant, FYI the error still persists. Please find the modified tool configuration file, attached here. Just redirected your tool output to the result file in the below line <command interpreter="perl">allsnp_modified.pl<http://allsnp_modified.pl> $input > $output</command> HTH, Vipin