par.pl - Make and Run Perl Archives
(Please see pp for convenient ways to make self-contained executables, scripts or PAR archives from perl programs.)
To use Hello.pm from ./foo.par:
% par.pl -A./foo.par -MHello % par.pl -A./foo -MHello # the .par part is optional
Same thing, but search foo.par in the @INC;
% par.pl -Ifoo.par -MHello % par.pl -Ifoo -MHello # ditto
Run test.pl or script/test.pl from foo.par:
% par.pl foo.par test.pl # looks for 'main.pl' by default, # otherwise run 'test.pl'
To make a self-containing script containing a PAR file :
% par.pl -O./foo.pl foo.par % ./foo.pl test.pl # same as above
To embed the necessary non-core modules and shared objects for PAR's execution (like Zlib, IO, Cwd, etc), use the -b flag:
Zlib
IO
Cwd
% par.pl -b -O./foo.pl foo.par % ./foo.pl test.pl # runs anywhere with core modules installed
If you also wish to embed core modules along, use the -B flag instead:
% par.pl -B -O./foo.pl foo.par % ./foo.pl test.pl # runs anywhere with the perl interpreter
This is particularly useful when making stand-alone binary executables; see pp for details.
This stand-alone command offers roughly the same feature as perl -MPAR, except that it takes the pre-loaded .par files via -Afoo.par instead of -MPAR=foo.par.
perl -MPAR
-Afoo.par
-MPAR=foo.par
If you have a C compiler, a binary version of par.pl will also be automatically installed as parl. You can use it to run .par files:
# runs script/run.pl in archive, uses its lib/* as libraries % parl myapp.par run.pl # runs run.pl or script/run.pl in myapp.par % parl otherapp.pl # also runs normal perl scripts
However, if the .par archive contains either main.pl or script/main.pl, it is used instead:
% parl myapp.par run.pl # runs main.pl, with 'run.pl' as @ARGV
Finally, as an alternative to Perl2exe or PerlApp, the -O option makes a stand-alone binary from a PAR file:
Perl2exe
PerlApp
-O
% parl -B -Omyapp myapp.par % ./myapp # run it anywhere without perl binaries % ./myapp -Omyap2 myapp.par # makes a ./myap2, identical to ./myapp % ./myapp -Omyap3 myap3.par # makes another app with different PAR
The format for the stand-alone executable is simply concatenating the following elements:
The executable itself
Either in plain-text (par.pl) or native executable format (parl or parl.exe).
Any number of embedded files
These are typically used for bootstrapping PAR's various XS dependencies. Each section contains:
FILE
pack('N')
/
One PAR file
This is just a zip file beginning with the magic string "PK\003\004".
PK\003\004
Ending section
A pack('N') number of the total length of FILE and PAR sections, followed by a 8-bytes magic string: "\012PAR.pm\012".
\012PAR.pm\012
PAR, parl, pp
Autrijus Tang <autrijus@autrijus.org>
Copyright 2002 by Autrijus Tang <autrijus@autrijus.org>.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
See http://www.perl.com/perl/misc/Artistic.html
To install PAR, copy and paste the appropriate command in to your terminal.
cpanm
cpanm PAR
CPAN shell
perl -MCPAN -e shell install PAR
For more information on module installation, please visit the detailed CPAN module installation guide.