updated comment regarding command existence check
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@ -60,7 +60,7 @@ my $pvcmd = 'pv';
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my $mbuffercmd = 'mbuffer';
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my $mbuffercmd = 'mbuffer';
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my $sudocmd = 'sudo';
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my $sudocmd = 'sudo';
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my $mbufferoptions = '-q -s 128k -m 16M 2>/dev/null';
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my $mbufferoptions = '-q -s 128k -m 16M 2>/dev/null';
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# currently using which to check for command existence because we aren't depending on perl
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# currently using POSIX compatible command to check for program existence because we aren't depending on perl
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# being present on remote machines.
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# being present on remote machines.
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my $checkcmd = 'command -v';
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my $checkcmd = 'command -v';
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