Beefy Boxes and Bandwidth Generously Provided by pair Networks
Your skill will accomplish
what the force of many cannot

Re^7: Using an array element as a loop iterator

by Eily (Vicar)
on Nov 08, 2013 at 20:14 UTC ( #1061763=note: print w/replies, xml ) Need Help??

in reply to Re^6: Using an array element as a loop iterator
in thread Using an array element as a loop iterator

It surely is ^^. The problem is that you can't use that construct like this: while( $a[0] = shift `cat file` ) (but that is a unusual way to read a file, indeed). So you do have to set @a1 first, which is the first part of my for loop. And if @a1 contains a value that is false, $a[0] = shift @a1 will be false as well, so the loop will stop early. defined($a[0] = shit @a1) would work, unless you want to use undef as a value. That's why I used @a1 in scalar context as the third part of the for loop.

Replies are listed 'Best First'.
Re^8: Using an array element as a loop iterator
by LanX (Chancellor) on Nov 08, 2013 at 20:19 UTC
    agreed! ++ =)

    Cheers Rolf

    ( addicted to the Perl Programming Language)

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1061763]
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others drinking their drinks and smoking their pipes about the Monastery: (9)
As of 2017-02-22 21:01 GMT
Find Nodes?
    Voting Booth?
    Before electricity was invented, what was the Electric Eel called?

    Results (335 votes). Check out past polls.