X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=perl-module%2FExamples.pod;h=eba537c81f51901d48b2b78ff1a41a8f1e77c96f;hb=fb429d05d61e959fcd4a0116e9b4327967845f9d;hp=cb286ca19c12dbef9c6966888f4555d05da49c26;hpb=16c87013538d6662f30870e9bf73462f726524f9;p=pspp
diff --git a/perl-module/Examples.pod b/perl-module/Examples.pod
index cb286ca19c..eba537c81f 100644
--- a/perl-module/Examples.pod
+++ b/perl-module/Examples.pod
@@ -1,5 +1,21 @@
=pod
+=for comment PSPP - a program for statistical analysis.
+=for comment Copyright (C) 2019 Free Software Foundation, Inc.
+=for comment
+=for comment This program is free software: you can redistribute it and/or modify
+=for comment it under the terms of the GNU General Public License as published by
+=for comment the Free Software Foundation, either version 3 of the License, or
+=for comment (at your option) any later version.
+=for comment
+=for comment This program is distributed in the hope that it will be useful,
+=for comment but WITHOUT ANY WARRANTY; without even the implied warranty of
+=for comment MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+=for comment GNU General Public License for more details.
+=for comment
+=for comment You should have received a copy of the GNU General Public License
+=for comment along with this program. If not, see .
+
=head1 PSPP::Examples
This page shows some simple examples of using the PSPP module.
@@ -7,7 +23,7 @@ See L for details on each of the subroutines.
=head2 A Simple example
-This example creates a system file called F, containing one
+This example creates a system file called F, containing one
variable called "id". It contains no data.
use PSPP;
@@ -29,7 +45,7 @@ Their formats are F2.0, A80 and DATETIME17 respectively.
my $dict = PSPP::Dict->new ();
PSPP::Var->new ($dict, "id",
(fmt=>PSPP::Fmt::F, width=>2, decimals=>0) );
-
+
PSPP::Var->new ($dict, "name", (fmt=>PSPP::Fmt::A, width=>80) );
PSPP::Var->new ($dict, "dob", (fmt=>PSPP::Fmt::DATETIME) );
@@ -60,7 +76,7 @@ This example creates a file with 3 cases.
use PSPP;
my $dict = PSPP::Dict->new ();
- PSPP::Var->new ($dict, "id",
+ PSPP::Var->new ($dict, "id",
(fmt=>PSPP::Fmt::F, width=>2, decimals=>0) );
PSPP::Var->new ($dict, "name", (fmt=>PSPP::Fmt::A, width=>8) );
@@ -76,19 +92,19 @@ This example creates a file with 3 cases.
=head2 Variables with differing input and output formats
By default, a variable's output format corresponds to the input format.
-However, the output format may be changed after the variable has
+However, the output format may be changed after the variable has
been created.
This example shows how to create a DATETIME variable using the current time
-as its value. Since pspp uses a different epoch to perl, the constant
-PSPP::PERL_EPOCH needs to be added to the value returned from time(), in order
+as its value. Since pspp uses a different epoch to perl, the constant
+PSPP::PERL_EPOCH needs to be added to the value returned from time(), in order
that it be correctly represented by pspp.
use PSPP;
my $dict = PSPP::Dict->new ();
- my $var1 = PSPP::Var->new ($dict, "entrytime",
+ my $var1 = PSPP::Var->new ($dict, "entrytime",
(fmt=>PSPP::Fmt::F) );
$var1->set_output_format ( (fmt=>PSPP::Fmt::DATETIME, width=>20) );
@@ -97,9 +113,9 @@ that it be correctly represented by pspp.
my $now = time ();
- $sysfile->append_case ( [ $now + PSPP::PERL_EPOCH] )
+ $sysfile->append_case ( [ $now + PSPP::PERL_EPOCH] )
|| die "Cant write case";
-
+
$sysfile->close();
=head2 Reading data
@@ -143,4 +159,4 @@ Reading of data must be done sequentially using the C method.
}
-=cut
\ No newline at end of file
+=cut