firewall: T1241: Check file before del #18
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dmbaturin
requested changes
Jul 29, 2020
scripts/firewall/vyatta-firewall.pl
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| @@ -293,7 +293,7 @@ sub write_refcnt_file { | |||
| print $FILE join("\n", @lines), "\n"; | |||
| close($FILE); | |||
| } else { | |||
| system("rm $refcnt_file"); | |||
| system("[ -e $refcnt_file ] && rm $refcnt_file"); | |||
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Let's not overuse system(). Built-in functions are always faster: unlink($refcnt_file) if -e $refcnt_file.
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Check if the file exists before deleting.