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Macaulay2Doc :: isListener(File)

isListener(File) -- whether a file is open for listening

Synopsis

Function: isListener
Usage:

isListener f
Inputs:
- f, a file
Outputs:
- a Boolean value, whether f is an open listener

See also

openListener -- open a port for listening

Ways to use this method:

isListener(File) -- whether a file is open for listening