Why execute a command with exec, do not succeed inside the script, put to the server command line is OK, little brother I also made the configuration in/etc/sudoers

Why execute a command with exec is unsuccessful within the script, put it on the server command line, and I've configured it in/etc/sudoers.
I first made the following configuration in/etc/sudoers

And then restarted the next Apache server.
Within the TP frame, write to

EXEC ('/usr/bin/unoconv--server localhost--port 8100-o/usr/local/webserver/www/server/exam/public/uploads/ Resource/transform/document/201309/52419a788a553.pdf-f pdf/usr/local/webserver/www/server/exam/public/uploads/ Resource/untransform/document/201309/52419a788a553.doc ');

Run under, no effect, transcoding is not successful, the code directly out can be executed.

At the same time, I wrote the transcoding section into a shell script.

#!/bin/sh


Turncode () {
Local pdf= ' echo $ | cut-d:-f1 ';
Local file= ' echo $ | cut-d:-f2 ';
Echo $pdf;
Echo $file;
  '/usr/bin/unoconv--server localhost--port 8100-o $pdf-F PDF $file '

}



Action= "$"
Setting= "$"
Case $action in

    Turncode)
        Turncode "$setting"
    ;;

    *)
    ;;

Esac

Called by exec

EXEC ("sudo./bash turncode $save _path1: $file _path1", $out, $status);

The result is still unable to transcode, who has been kindly pointed out, not very grateful!!! Shell

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------Solution--------------------
command line, you are using the permissions of your account. The script can be different, completely controlled by the owner or the creator's account permissions.

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