FAQ 3.22 How can I get "#!perl" to work on [MS-DOS,NT,...]?

Discussion in 'Perl Misc' started by PerlFAQ Server, Jan 31, 2011.

  1. This is an excerpt from the latest version perlfaq3.pod, which
    comes with the standard Perl distribution. These postings aim to
    reduce the number of repeated questions as well as allow the community
    to review and update the answers. The latest version of the complete
    perlfaq is at http://faq.perl.org .


    3.22: How can I get "#!perl" to work on [MS-DOS,NT,...]?

    For OS/2 just use

    extproc perl -S -your_switches

    as the first line in "*.cmd" file ("-S" due to a bug in cmd.exe's
    "extproc" handling). For DOS one should first invent a corresponding
    batch file and codify it in "ALTERNATE_SHEBANG" (see the dosish.h file
    in the source distribution for more information).

    The Win95/NT installation, when using the ActiveState port of Perl, will
    modify the Registry to associate the ".pl" extension with the perl
    interpreter. If you install another port, perhaps even building your own
    Win95/NT Perl from the standard sources by using a Windows port of gcc
    (e.g., with cygwin or mingw32), then you'll have to modify the Registry
    yourself. In addition to associating ".pl" with the interpreter, NT
    people can use: "SET PATHEXT=%PATHEXT%;.PL" to let them run the program
    "install-linux.pl" merely by typing "install-linux".

    Under "Classic" MacOS, a perl program will have the appropriate Creator
    and Type, so that double-clicking them will invoke the MacPerl
    application. Under Mac OS X, clickable apps can be made from any "#!"
    script using Wil Sanchez' DropScript utility:
    http://www.wsanchez.net/software/ .

    *IMPORTANT!*: Whatever you do, PLEASE don't get frustrated, and just
    throw the perl interpreter into your cgi-bin directory, in order to get
    your programs working for a web server. This is an EXTREMELY big
    security risk. Take the time to figure out how to do it correctly.


    The perlfaq-workers, a group of volunteers, maintain the perlfaq. They
    are not necessarily experts in every domain where Perl might show up,
    so please include as much information as possible and relevant in any
    corrections. The perlfaq-workers also don't have access to every
    operating system or platform, so please include relevant details for
    corrections to examples that do not work on particular platforms.
    Working code is greatly appreciated.

    If you'd like to help maintain the perlfaq, see the details in
    PerlFAQ Server, Jan 31, 2011
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