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exit() function

exit() function

exit() function

(OP)
What is the command to break out of the present if statement or for loop, etc. I've tried 'exit' but it exits the whole program.

RE: exit() function

You can use something like a next if statement.

The syntax would be

next if (some statement) {
# what ever you want to happen

}



So say if you have a for loop that says:

for ($i=0;$i<40;$i++) {

# do something
# but say that if you need to exit before it gets to 39, then you write:

next if ($i=20) {

&somesub;

}

}

so it goes to somesub if $i equals 20.

Hope this helps.

-Vic

RE: exit() function

works like this:

while(1){ # loop forever in other words
  $i ++;
  next if $i < 3; # jumps back to 'while',
  last if $i == 3; # jumps out of 'while' loop
}

would work the same without the 'next if' line -- just wanted to show what it does

Mike
michael.j.lacey@ntlworld.com
Cargill's Corporate Web Site

RE: exit() function

(OP)
Thank you very much mike and vik.It worked fine.

RE: exit() function

hello vikter,
  here is some loop control constructs which will be very useful to u
 last - stop the execution of the loop,and continues with
         the next statement after the loop (like break in C)
 next - Stops the current iteration of the loop , goes back
         to the top and starts continues with the next value
        of the loop index variable( in for loop).
        it is very useful method (like continue in C )
 redo - Stops the current execution and goes to the top and
         "restart" the loop revaluating the test .

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