File input/output: Difference between revisions

close,/all</lang>

 

Icon and Unicon I/O by default is line driven. This can be changed with options in open and by the use of reads() and writes().

<lang Icon>procedure main()

in := open(f := "input.txt","r") | stop("Unable to open ",f)

while write(out,read(in))

end</lang>

 

=={{header|J}}==