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where

Definition: atom a = where(integer fn)
Description: This function returns the current byte position in the file fn. This position is updated by reads, writes and seeks on the file. It is the place in the file where the next byte will be read from, or written to.
pwa/p2js: Not supported.
Implementation: via :%opWhere / fwhere() in builtins\VM\pfileioN.e (an autoinclude) - be warned however it is low-level complicated stuff that you do not need to know.
See Also: seek, open