(Missing operator before $file?)
I'm not familiar with the script in question, but you definitely need an operator between those scalars, as the error message suggests. Try this:
chgrp( $new_group, $file ) or die( 'etc.' );
Additionally:
use lib '/usr/local/ppt/bin';
Adds the path to the script to your lib path, but it doesn't actually load the script itself.
Update: Looking at what you are trying to do in your unlinked-but-related node, what is wrong with just using chown?
chown( -1, scalar getgrnam("save"), $file )
or die( "$! etc." );
Note: that's an example usage, not a recommended one. Make sure that getgrnam returns something in production code.
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