Re: accessing an array with a variable

2002-03-05 Thread Bradford Ritchie
Without more code, I can't totally understand what might be wrong. When you increment $num are you sure that $line also get's updated? I'm wondering if you are expecting $array[$num] to get reevaluated with the new value of $num every time you dereference $line. If so, that's a bad assumption. $l

RE: accessing an array with a variable

2002-03-05 Thread Dennis . Warren
dford Ritchie [mailto:[EMAIL PROTECTED]] Sent: 05 March 2002 19:27 To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: accessing an array with a variable Without more code, I can't totally understand what might be wrong. When you increment $num are you sure that $line also get's updated? I

Re: accessing an array with a variable

2002-03-05 Thread Jenda Krynicky
From: [EMAIL PROTECTED] > I am trying to do this with Perl/Tk, but it fails to work, only > displaying the initial line of the text file: > > This is the definition of the variable > > $line=$array[$num]; > > $num is incremented elsewhere with the click of the button. > > Th

RE: accessing an array with a variable

2002-03-05 Thread Nikola Janceski
in the place where you increment $num do you re-assign $line? $num++; ## this changes only $num $line=$array[$num]; # this changes $line to the new index that $num is now. if you don't do the second line then $line will still be $array[whatever $num was before] you need to reassign $line to th