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Eko Budiharto wrote:
> Hi, I have data in an array and then compare each data with a
> certain condition. How can I retrieve each data in an array and
> then compare it?
>
Right idea as far as the code below goes, but it would be far simpler
to use grep to check if something exists.
> my $condition = data5;
>
> @array1 = data1, data2, data3, data4, etc.
The above two lines are ok.
>
> if ($condition eq @array1) {
Can't do this, like that. You're basically saying if $condition eq
@array1. You're comparing a variable to a array. Here is my take on
how that should read
if(grep(/$condition/,@array1) {
print "true";
}
A few notes about using grep.
If you say something like $count = grep(/$condition/,@array1); then
$count will a count of how many times the condition occurs. Now if you
say @count instead then grep will fill the array @count with all
occurrences of $condition. Effectively, filtering the array. The code
I wrote above should be what you're looking for as far as I can tell.
Hope this helps.
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