HELP PRINTLENGTH                                         A. Sloman, July 1983

    printlength(<item>) -> <number_of_characters>;

Given any item as argument, PRINTLENGTH returns the number of characters that
would be printed by a call of

    pr(<item>);

*PR may be locally redefined by the user, but must use *CUCHAROUT for its
output.

See also
HELP *PR        - variable which holds a printing procedure
HELP *CUCHAROUT - holds a character consumer
HELP *PRINT     - for other printing procedures
REF  *SYSIO     - for more on I/O procedures