OpenEuphoria

Two questions

• Posted by rforno at tutopia.com Sep 02, 2001
• 529 views

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Rob:
I find slightly annoying the need to insert a whitespace character in a file
that has to be read by means of get(), because to create such a file you
would need two instructions for each object, namely:

print(file, object)
puts(file, "\n") (or puts(file, " ") )

Maybe there is an alternative to this that I don't know.

Another subject:
I'm having problems with the function check_break(). When I use it in the
attached stripped down version of one of my programs, and I type ^C, no
message is printed in spite that ^C appears on the screen. Moreover, if I
type ^2 (that I don't know why it behaves similarly to ^C), two ^C are
printed on the screen the first time, and the message appears the second
time. Then, while typing ^2, it cycles between these two outputs.


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include get.e
include file.e

function Get_key()
--Waits for a keypress
    integer c
    while 1 do
	c = get_key()
	if c != - 1 then
	    exit
	end if
    end while
    return c
end function

procedure entry()
    sequence input_line
    integer c
    allow_break(0)
    while 1 do --Until exit
	input_line = {} --Initialize reserve of input characters
	if check_break() then --Advise operator
	    printf(1, "%s\n", {"To quit, press return"})
	end if
	c = Get_key() --Get the first keypress
	if c = 13 then --If empty input line
	    exit
	end if
    end while
end procedure

entry() --Execute main procedure

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