define stream function ymdhms-to-arpadate value stream ymdhms

This function takes a date/time in "YYYYMMDDhhmmss+ZHZM" format and returns it in standard ARPA/Internet RFC-822 format.

Argument:

• "ymdhms" -- a date in "YYYYMMDDhhmmss+ZHZM" format.

Example:

  output "Now, in arpa format = " || ymdhms-to-arpadate now-as-ymdhms || "%n"