You mean from something like: my $date = `date`;? Have a look at
perldoc -f localtime
perldoc -f gmtime
and look for "strftime"
One handy trick to remember is to always put some delimiters around a variable in a test print:
print "\$var: >$var<\n";
They would make the newline at the end apparent. What delimiters to use depends on the expected value of course.
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Want more info? How to link
or How to display code and escape characters
are good places to start.