get_line(-result)

get_line(+stream, -result)

get_line/1/2 reads a line. Fails on EOF.

Arguments

	result		atom
	stream		atom

Example

	main([Infile,Outfile|_]) :-
	        open(Infile,read,Instream),
	        open(Outfile,write,Outstream),
	        copy(Instream,Outstream),
	        close(Instream),
	        close(Outstream).

	copy(Instream,Outstream) :-
	        get_line(Instream,Line),
	        write(Outstream,Line),nl(Outstream),
	        copy(Instream,Outstream).
	copy(_Instream,Outstream) :-
	        flush_output(Outstream).

Standard

This predicate is not part of the ISO-Prolog Standard.

See also