readln
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: readln
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BAP Online Manuals : Library Reference : Library by Name : readln
Previous: readdevice
Next: rec_msg
Previous: readdevice
Next: rec_msg
6.2.104. readln
reads a string from the current input stream until eol
SYNOPSIS
INCLUDE 'iolib.h' readln(InputString)
SYNTAX
readln(String) (o)
ARGUMENTS
string(String) (o) string that was read
DESCRIPTION
Reads a string from the input stream and matches it with Term. The term must be followed by a newline or end of line character which is removed from the current input stream. Fails in case of end of file or if the user presses the escape <ESC> key while using keyboard input.
EXAMPLE
file_str("test","Hello World"), readdevice(Old), openread(f,"test"), readdevice(f), readln(X), readdevice(Old), closefile(f), write(X),nl.
ERRORS
No runtime errors.
LAYERS
prolog-process, client-server, object
RELATED PREDICATES
get , read , readchar , readdevice
BAP Online Manuals : Library Reference : Library by Name : readln
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