The linked page in your other response only has this reference to the shebang line:

The shell reads its input from a file (see sh), from the -c option or from the system() and popen() functions defined in the System Interfaces volume of POSIX.1-2017. If the first line of a file of shell commands starts with the characters "#!", the results are unspecified.

The last I checked, /bin/sh on Solaris wasn't even POSIX compliant, so you can't count on that. So, to go back to the OP, I would say for maximum portability to write a bourne shell (/bin/sh) wrapper to run it, or give this snippet from perlrun a try to avoid a wrapper:

#!/bin/sh
#! -*-perl-*-
eval 'exec perl -x -wS $0 ${1+"$@"}'
    if 0;

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In reply to Re^10: shebang anomaly by jeffenstein
in thread shebang anomaly by perlboy_emeritus

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