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Writing Submitted Files to a Flat File

jajtiii

I am running into problems with the following script and was hoping some new eyes could see what is wrong.

In my workflow, I have the followinng sub-routine defined :

sub dom_return_filelist{
my($files) = "";
if (__ELEM__('iw_file')){
my(@flist) = map {
TeamSite::CGI_lite::escape_html_data($_);
} sort map {
tr|\\|/|;
s|^\Q$iw_area_vpath\E||;
$_;
} __VALUE__('iw_file');
for (my $i = 0; $i < @flist; ++$i) {
$files .= "$flist[$i]\n";
}
}
return($files);
}

This returns a list of files with relative paths defined that were submitted into the Workflow. I assign this to a variable ($dom_db_files) and then pass this to a script which writes it to a flat file :

### Grab all submitted files and Put In Filelist ###

open(TSFILE, '> /usr/iw-home/local/config/test/file_name.txt');

print TSFILE "$wf_id\n";
print TSFILE "$dom_db_files";

close TSFILE;

When I simply output the $dom_db_files (printing it to one of my prompts in the workflow to check it), the variable holds the correct data. When I test the second script above with a variable like $area_vpath (which is defined elsewhere) it works fine. But, when I try to use my file list as the variable to write out, it hangs (the workflow hangs at that task).

If anyone has a suggestion, I would love to hear it.

Thanks,

jones

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Comments

Adam Stoller

How are you passing this information into the script?
How are you accessing it within the script?
If you post the information for the first question and attach the script to the post to answer the second question it will be easier to assist.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

jajtiii

As mentioned above, substituting other variables works fine, but here is the answer :

I pass the variable with the following external command, which is called in the workflow :

my @externalcmd = (
"$iwhome/local/bin/wf_Instant_News_DeployToQA.ipl $my_var",
);

(using the variable I created fails, using another variable ($area_vpath) works fine)

To access it, I grab the variable in my ipl, I do the following :

my ($my_passed_var, $wf_id, $task_id, $area_vpath) = (shift, shift, shift, shift);

(again, if I pass another scalar variable, it works like a charm....something appears to be wrong with my variable which allows it to be printed out, but not written to a file)

Thanks for your assistance.

jones

Adam Stoller

If you post both the wft and the script - I might be able to help - as it is there isn't sufficient detail for me to analyze.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

JonathonG

My guess would be that the problem is in this line of your code, specifically the red-highlighted portion:
$files .= "$flist[$i]\n";

Your variable has newlines in it. When you add that variable to the external task command line, you end up with a command line with newline characters. More than likely, the command line processor is choking on that. I would try replacing the \n with some other delimiter (I'm partial to the pipe). So, the new line of code would look like (change highlighted in red):
$files .= "$flist[$i]|";

Note that I haven't tested this, its just what jumped out at me.

Jonathon
Interwoven Developer
Allstate, Inc.

Adam Stoller

Good catch JG - an alternate suggestion would be to quote that variable when passing it in the command line - e.g.:my @externalcmd = (
qq($iwhome/local/bin/wf_Instant_News_DeployToQA.ipl "$my_var"),
);

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

jajtiii

Thanks a lot. That's the kind of answer I was hoping someone would give.

I had a feeling that the breaks were the problem but the obvious solution (using pipes) escaped me.

I will post back once I confirm this as the problem.