The backtick operator returns the output of the command. The system function actually returns the exit value itself. If you want the exit value do this:

my $exit_value = system($tar_command) ;
die "tar failed: ".$exit_value / 256."\n" if $exit_value != 0 ;

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In reply to Re: External command execution - Strange Error - No child process by onelesd
in thread External command execution - Strange Error - No child process by Anonymous Monk

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