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#!/usr/bin/env perl
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use warnings;
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use strict;
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# modified 20190419 RWR
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# changed cleanup to remove encapsulating quotes
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# 20200220 RWR v1.4.1
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# added trim
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# Description: Library used by modules. Do NOT enable
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our $VERSION = '1.4.1';
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# set of libraries to be used by these modules
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# cleanUp - passed a delimiter and a string, does the following (delimiter can be '')
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#           chomps the string (removes trailing newlines)
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#           removes all text BEFORE the delimiter, the delimiter, and any whitespace
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#           thus, the string 'xxI Am x  a weird string' with a newline will become
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#           'a weird string' with no newline
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# will also look for single and double quotes surrounding entire string and remove them
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# if they exist
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sub cleanUp {
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   my ($delimiter, $text) = @_;
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   chomp $text;
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   if ( $delimiter && $text =~ m/[^$delimiter]*$delimiter\s*(.*)/ ) {
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      $text = $1;
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   }
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   if ( $text =~ m/^'(.*)'$/ ) {
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      $text = $1;
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   }
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   if ( $text =~ m/^"(.*)"$/ ) {
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      $text = $1;
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   }
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   return $text;
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}
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# remove leading and trailing spaces from string
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sub trim {
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 my $value = shift;
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 $value =~ s/^\s+|\s+$//g if $value;
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 return $value;
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}
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# checks if a command is valid on this system. If so, returns the full path to it
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# else, returns empty string.
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sub validCommandOnSystem {
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   my $command = shift;
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   $command = `which $command 2> /dev/null`;
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   chomp $command;
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   return -x $command ? $command : '';
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}
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sub getOperatingSystem {
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   return &cleanUp('', qx(uname -s));
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}
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sub getSysctlParameter {
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   my ( $sysctl, $parameter ) = @_;
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   my $result = qx( $sysctl $parameter );
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   chomp $result;
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   $result =~ s/$parameter:\s*//;
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   return $result;
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}
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# simple function to return true if the current date is the first of the week, month or year
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# parameter passed in is 'w' (weekly), 'm' (monthly) or 'y' (yearly)
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# to have a test run only weekly, place
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# exit 1 unless &checkDate( 'w' );
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sub checkDate {
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   return 1 if -e '/tmp/sysinfo.firstrun';
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   my $frequency = lc shift;
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   my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
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   return $mday == 1 if $frequency eq 'm'; # monthly
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   return $wday == 1 if $frequency eq 'w'; # weekly
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   return $yday == 1 if $frequency eq 'y'; # yearly
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   return 0; # we failed
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}
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1;