I am not able to see the output when I write the file and read the same file.
use strict;
use warnings;
open my $fo, '+>>', "outfile.txt" or die "Error:$!\n";
print $fo "how r u\n";
print $fo "hey suresh their\n";
print $fo "in bangalore\n";
while (my $line = <$fo>){
print "$line";
my $a =substr ($line, "suresh");
print "$a\n";
}
please let me know where I am doing the mistake
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