my $Path = $_[0];
return "" if(not $Path or not -f $Path);
I am going through a perl file and not able to understand what the -f option means
What does not -f mean ?
my $Path = $_[0]; return if(not $Path or not -f $Path); I am going
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my $Path = $_[0];
return "" if(not $Path or not -f $Path);
I am going through a perl file and not able to understand what the -f option means
What does not -f mean ?
The
-foperator tests whether its operand is a regular file, rather than a directory, a symbolic link, or another special file.All operators starting with a
-are called file test operators and are usually found in shell-scripting languages as well. They are unary operators (taking just one operand), like!or~are unary operators.