in reply to
Extract line, matching more than one variable
Welcome to the Monastery! Make yourself at home.
To accomplish your task, go through perlopentut and perlre. Try some code and if you have any questions, you can come again here.
# Remove the newline from the DNA filename
open (PDBFILE, $pdbfile);
@sa = split(/\t/,$_);
#print "$sa $sa $sa\n";
#$res = substr $_, 0, 4;
#$res_no = substr $_, 4, 5;
#$atom =substr $_, 9, 3;
$res = substr $_, 17, 3;
$res_no = substr $_, 22, 4;
$atom =substr $_, 13, 3;
#print " $res $res_no $atom \n" ; # works fine
if (( $saeq$res)&&($sa==$res_no)&&($sa eq $atom))
print "$_"; # does not print anything.
Please use <code> tags to wrap the coding parts in your nodes.
Can you please show us your sample file, so that we can give solutions without assumption.
I make decisions, and my brain carries them out
My brain makes the decisions, and I observe them (if I'm lucky)
I make some decisions, and my brain makes others
My spouse makes decisions and I and my brain carry them out
I wrote a program to relieve me and my brain from the burden of decision-making
The black-helicopter people project the decisions into my brain and then I do as ordered
Results (356 votes),