On Jun 25, bob ackerman said:
>> perl -lane'$a{$F[0]}++or$a=qw/box robo rain/[$b++%3];print"$F[0] $a"'
>> yourfile.txt
>i assume things like '$a' ,'$b', and '$F' come from those switches, so
>only question is...
@F comes from the -a switch used in conjunction with -n. $a, %a, and $b
are just
on Tue, 25 Jun 2002 16:45:31 GMT, Bob Ackerman wrote:
> where are those command line switches documented?
> i would have thought 'perldoc perl' ... but, i didn't see it there, nor
> apparently in any other doc title it mentioned
perldoc perlrun
perlrun - how to execute the Perl interpre
On Tuesday, June 25, 2002, at 04:59 AM, John W. Krahn wrote:
> Will Shiver wrote:
[...]
> perl -lane'$a{$F[0]}++or$a=qw/box robo rain/[$b++%3];print"$F[0] $a"'
> yourfile.txt
>
>
> John
sure. almost obviously.
but...
i assume things like '$a' ,'$b', and '$F' come from those switches, so
on
On Monday, June 24, 2002, at 05:10 , Will Shiver wrote:
> black robo
plan A:
my %kombo = (
blue=> 'box',
red => 'robo',
purple => 'rain',
green => 'box',
black => 'robo',
);
hence one would read with say
while() {
Will Shiver wrote:
>
> I have a file that I would like to read thru line by
> line and print somthing based on when the value in
> the first field postion stays the same. I would change
> the tag value amongst 3 different values.
>
> Example file:
> blue jay
> blue bery
> blue bird
> red apple
