BAP Online Manuals : Library Reference : Library by Name : tell
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6.2.129. tell

opens a file for standard output

SYNOPSIS

INCLUDE 'iolib.h'
tell("data")

SYNTAX

tell(FileName) (i)

ARGUMENTS

string(FileName) (i) Name of the file to be opened

DESCRIPTION

Opens a file for writing and sets it as current output stream.
NOTE: You should not mix up the old fashioned tell(), telling (), told predicates with the

writedevice (), closefile (), or gotowindow () predicates. Always close files with the predicates belonging to the same family!

EXAMPLE

tell(test),
write("Hello World"),nl,
told,
file_str(test,X),
write(X),nl.

ERRORS

A runtime error occurs if the file was not opened properly.

LAYERS

prolog-process, client-server, object

RELATED PREDICATES

see , seeing , seen , telling , told , write , display , put , openwrite , writedevice , closefile

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BAP Online Manuals : Library Reference : Library by Name : tell
Previous: string
Next: telling