Cannot get Script to Run Via Crontab

Giorgos Keramidas keramida at
Sun Dec 16 23:54:54 PST 2007

On 2007-12-16 19:10, David Goodnature <goodnaturenet at> wrote:
> I have a perl script that I can execute from the command line as root.
> It runs fine.  When I try to automate it using the root crontab, the
> script fails.
> The lines from my script that are causing the problem are:
>    my $scomd = "/usr/local/bin/ps2pdf -dPDFSETTINGS=/prepress -dProcessColorModel=/DeviceGray -dAutoRotatePages=/PageByPage -dDownsampleMonoImages=true -dMonoImageDownsampleType=/Average -dMonoImageDownsampleThreshold=1.5 -dMonoImageResolution=600 ".$inpath.$cur_ps_files[0]." ".$outpath.$pdffilename;
>    ### create the new .pdf file from the .ps file
>    system($scomd) == 0 or return "system $scomd failed: $?";
> The cron message to mail/root ends with:
>    exec: ps2pdf12: not found
> I am assuming that cron cannot find a path or a config file for
> ghostscript, but I don't have any idea how to fix this problem.

Yes.  That's what is happenning.  The default PATH of cron jobs doesn't
include `/usr/local/bin', but you have lots of options:

  1) Add it to the crontab file


        crontab entries here

  2) Modify the default path in your Perl script:

        $ENV{PATH} = '/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin';

        my $scomd = join(' ', ('/usr/local/bin/ps2pdf',

        system($scomd) == 0 or return "system $scomd failed: $?";

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