BAP Online Manuals : Library Reference : Library by Name : openwrite
Previous: openread
Next: parse

6.2.94. openwrite

opens a file for writing

SYNOPSIS

INCLUDE 'iolib.h'
openwrite(file,"filename")

SYNTAX

openwrite(Handle,FileName) (i,i) (o,i)

ARGUMENTS

handle(Handle) (i) virtual file handled which will be associated with the file
void(Handle) (o) real file handle returned by the host
string(FileName) (i) name of the file to be opened

DESCRIPTION

The file with the name FileName is opened writing only. An already existing it will be deleted first. It is referred to by the Handle, which may either be virtual or real.

EXAMPLE

openwrite(f,"test"),
writedevice(f),
write("Hello World"),
writedevice(screen),
closefile(f),
file_str("test",Y),
write(Y),nl.

ERRORS

No runtime errors. Fails if file could not be opened.

LAYERS

prolog-process, client-server, object

RELATED PREDICATES

closefile , openread , openmodify , readdevice , writedevice , read , write


BAP Online Manuals : Library Reference : Library by Name : openwrite
Previous: openread
Next: parse