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Home > Archive > PERL Beginners > October 2006 > Re: Prefix printed lines on screen with a line number. Need advice.









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Author Re: Prefix printed lines on screen with a line number. Need advice.
nobull67@gmail.com

2006-10-01, 6:58 pm

Jay wrote:

> foreach $var1 {

I have no idea what you think that's supposed to do.

for (also known as foreach) has a syntax like this...

for VAR ( LIST ) { BLOCK }

You've not supplied a LIST for $var1 to iterate over.

> printf "%4d: ", $var1, "\n";

You are providing a format that expects one value, then you provide two.

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