On Sat, Jan 08, 2005 at 01:00:37AM +0100, Rabin Vincent wrote: > On Sat, 8 Jan 2005 00:18:33 +0100, Gerard Robin <[EMAIL PROTECTED]> wrote: > > If i use the sleep of Perl there nothing is displayed at though with the > > sleep > > of the shell the numbers 5 4 3 2 1 0 are displayed as I want. > > And, I don't understand why the sleep of Perl doesn't work ? > > The sleep function works, but the output that has been outputted with > print has not been flushed. To make Perl automatically flush after > every print statement, put this line in your script: > > $| = 1; > > This enables the OUTPUT_AUTOFLUSH. You only need to do this once in > the script. The name of the variable is just a pipe. Once you do this, > the script works just as it did with the shell's sleep. > > > I think it is not coherent to use the sleep of the shell whereas Perl has > > such > > function. And I tried to write this function in C to rewrite my program in > > C ..... but the C function sleep in C works like in Perl ... > > Same thing with C. To make it flush, call fflush(0) after each time > you call printf. > > Rabin
Thanks to all it's OK :-) (exept in C fflush(0) fflush(output) gives a new line but now with man fflush ...) -- Gérard -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
