1PARL(1)               User Contributed Perl Documentation              PARL(1)
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NAME

6       parl - Binary PAR Loader
7

SYNOPSIS

9       (Please see pp for convenient ways to make self-contained executables,
10       scripts or PAR archives from perl programs.)
11
12       To make a PAR distribution from a CPAN module distribution:
13
14           % parl -p                 # make a PAR dist under the current path
15           % parl -p Foo-0.01        # assume unpacked CPAN dist in Foo-0.01/
16
17       To manipulate a PAR distribution:
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19           % parl -i Foo-0.01-i386-freebsd-5.8.0.par   # install
20           % parl -i http://foo.com/Foo-0.01           # auto-appends archname + perlver
21           % parl -i cpan://AUTRIJUS/PAR-0.74          # uses CPAN author directory
22           % parl -u Foo-0.01-i386-freebsd-5.8.0.par   # uninstall
23           % parl -s Foo-0.01-i386-freebsd-5.8.0.par   # sign
24           % parl -v Foo-0.01-i386-freebsd-5.8.0.par   # verify
25
26       To use Hello.pm from ./foo.par:
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28           % parl -A./foo.par -MHello
29           % parl -A./foo -MHello      # the .par part is optional
30
31       Same thing, but search foo.par in the @INC;
32
33           % parl -Ifoo.par -MHello
34           % parl -Ifoo -MHello        # ditto
35
36       Run test.pl or script/test.pl from foo.par:
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38           % parl foo.par test.pl      # looks for 'main.pl' by default,
39                                       # otherwise run 'test.pl'
40
41       To make a self-containing executable containing a PAR file :
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43           % parl -O./foo foo.par
44           % ./foo test.pl             # same as above
45
46       To embed the necessary non-core modules and shared objects for PAR's
47       execution (like "Zlib", "IO", "Cwd", etc), use the -b flag:
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49           % parl -b -O./foo foo.par
50           % ./foo test.pl             # runs anywhere with core modules installed
51
52       If you also wish to embed core modules along, use the -B flag instead:
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54           % parl -B -O./foo foo.par
55           % ./foo test.pl             # runs anywhere with the perl interpreter
56
57       This is particularly useful when making stand-alone binary executables;
58       see pp for details.
59

DESCRIPTION

61       This stand-alone command offers roughly the same feature as "perl
62       -MPAR", except that it takes the pre-loaded .par files via "-Afoo.par"
63       instead of "-MPAR=foo.par".
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65       Additionally, it lets you convert a CPAN distribution to a PAR
66       distribution, as well as manipulate such distributions.  For more
67       information about PAR distributions, see PAR::Dist.
68
69       You can use it to run .par files:
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71           # runs script/run.pl in archive, uses its lib/* as libraries
72           % parl myapp.par run.pl     # runs run.pl or script/run.pl in myapp.par
73           % parl otherapp.pl          # also runs normal perl scripts
74
75       However, if the .par archive contains either main.pl or script/main.pl,
76       it is used instead:
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78           % parl myapp.par run.pl     # runs main.pl, with 'run.pl' as @ARGV
79
80       Finally, the "-O" option makes a stand-alone binary executable from a
81       PAR file:
82
83           % parl -B -Omyapp myapp.par
84           % ./myapp                   # run it anywhere without perl binaries
85
86       With the "--par-options" flag, generated binaries can act as "parl" to
87       pack new binaries:
88
89           % ./myapp --par-options -Omyap2 myapp.par   # identical to ./myapp
90           % ./myapp --par-options -Omyap3 myap3.par   # now with different PAR
91
92       For an explanation of stand-alone executable format, please see par.pl.
93

SEE ALSO

95       PAR, PAR::Dist, par.pl, pp
96

AUTHORS

98       Audrey Tang <cpan@audreyt.org>
99
100       You can write to the mailing list at <par@perl.org>, or send an empty
101       mail to <par-subscribe@perl.org> to participate in the discussion.
102
103       Please submit bug reports to <bug-par-packer@rt.cpan.org>.
104

106       Copyright 2002-2009 by Audrey Tang <cpan@audreyt.org>.
107
108       Neither this program nor the associated pp program impose any licensing
109       restrictions on files generated by their execution, in accordance with
110       the 8th article of the Artistic License:
111
112           "Aggregation of this Package with a commercial distribution is
113           always permitted provided that the use of this Package is embedded;
114           that is, when no overt attempt is made to make this Package's
115           interfaces visible to the end user of the commercial distribution.
116           Such use shall not be construed as a distribution of this Package."
117
118       Therefore, you are absolutely free to place any license on the
119       resulting executable, as long as the packed 3rd-party libraries are
120       also available under the Artistic License.
121
122       This program is free software; you can redistribute it and/or modify it
123       under the same terms as Perl itself.
124
125       See LICENSE.
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129perl v5.32.1                      2021-01-27                           PARL(1)
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