I would be interested to see the description of your table 'test_add'.
But in the meantime here are some of my initial suggestions:
my $flag_pic; I would define it and turn on warnings (if not already on):
use warnings;And for the defining part
change my $flag_pic; to my $flag_pic = 0;
Also, where you say :
$flag_pic+="1";
I think you should take away the quotes and try this please:
$flag_pic+=1;
Now if I understand your question correctly you don't want to add any duplicate images into your table and you are checking this based on the value of $flag_pic.
I notice you are saying
if ($flag_pic ne "1") { #insert } but you are adding 1 up to 4 times (given the if statements succeed) in your while loop (as shown here so you know what I'm trying to say)
if ( ($row->{image_name_1} ne "") eq ($pics[0] ne "") ) {
$flag_pic += "1";
}
if ( ($row->{image_name_2} ne "") eq ($pics[1] ne "") ) {
$flag_pic += "1";
}
#and all the way to image_name_4
... so if you have two cases where the if succeeds, $flag_pic will be set to 2, not 1, and if you have three, $flag_pic = 3, and so forth. So in any case where more than one if-statement succeeds in your while loop $flag_pic will NOT EQUAL 1.
I recommend changing your if-statement at the bottom to
if ($flag_pic == 0) { #insert }
See if any of that helps.
-Dawn
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