Code that is never executed is known as dead code. Typically, the presence of dead code indicates that a logic error has occurred as a result of changes to a program or the program's environment. To improve readability and ensure that logic errors are resolved, dead code should be identified, understood, and eliminated.
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sub fix_name {
my $name = shift;
if ($name eq "") {
return $name;
}
$name =~ s/^([a-z])/\U$1\E/g;
$name =~ s/ ([a-z])/ \U$1\E/g;
if (length( $name) == 0) {
die "Invalid name"; # cannot happen
}
return $name;
}
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| Code Block | ||||
|---|---|---|---|---|
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sub fix_name {
my $name = shift;
$name =~ s/^([a-z])/\U$1\E/g;
$name =~ s/ ([a-z])/ \U$1\E/g;
if (length( $name) == 0) {
die "Invalid name"; # cannot happen
}
return $name;
}
|
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Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
MSC00-PL | low | unlikely | high | P1 L1 | L3 |
Automated Detection
Tool | Diagnostic |
|---|---|
Perl::Critic | Subroutines::ProhibitUnusedPrivateSubroutines |
Perl::Critic | ControlStructures::ProhibitUnreachableCode |
Related Guidelines
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Automated Detection
Tool | Diagnostic |
|---|---|
Perl::Critic | Subroutines::ProhibitUnusedPrivateSubroutines |
Perl::Critic | Variables::ProhibitUnreachableCode |
Bibliography
| [CPAN] | Elliot Shank, Perl-Critic-1.116 Subroutines::ProhibitUnusedPrivateSubroutines, Variables::ProhibitUnreachableCode |
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EXP30-PL. Do not use deprecated or obsolete functions 02. Expressions