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printf

Perl 5 version 12.4 documentation
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printf

  • printf FILEHANDLE FORMAT, LIST

  • printf FORMAT, LIST

    Equivalent to print FILEHANDLE sprintf(FORMAT, LIST) , except that $\ (the output record separator) is not appended. The first argument of the list will be interpreted as the printf format. See sprintf for an explanation of the format argument. If use locale is in effect, and POSIX::setlocale() has been called, the character used for the decimal separator in formatted floating-point numbers is affected by the LC_NUMERIC locale. See perllocale and POSIX.

    Don't fall into the trap of using a printf when a simple print would do. The print is more efficient and less error prone.