hello

I have a template from which I extract few parameters by using perl regex as follows

template 1:

<%=
my $capi = '';
if (@{$ctxt{'capi_devices'}}){
$capi =
'afu_op=grpcapp' . "\n" .
'capp=1' . "\n" .
'icnt=200' . "\n" .
'capi_dev=' . join(' ', @{$ctxt{'capi_devices'}})."\n".
'capi_cards=' . @{$ctxt{'capi_devices'}};
}
$capi;
%>

<%=
my $marega = '';
if (@{$ctxt{'test'}}){
$marega =
'splthid=' . join(' ' ,@spthid_a). "\n" .
'splthjobops=' . join(' ', @{$ctxt{'test'}}). "\n" ;
}
$marega;
%>
[download]

Now I have a generic function which processes this template ( it has many parameters but avoiding for the sake of simplicity ), the problem is when i try to extract the $capi some how it gets bypassed and I get the $marega. Here is the code for processing template

while($inp =~ /<%=(.*?)%>/s)
      {
         print "Dollar 1 before eval = $1\n";
         $inp =~ s/<%=(.*?)%>/eval $1/es;
         print"INP after substitution = $inp\n";
      }

# only the concerned part of code with this extraction is written here
[download]

the output i get here is

Dollar 1 before eval =
my $capi = '';
if (@{$ctxt{'capi_devices'}}){
$capi =
'afu_op=grpcapp' . "\n" .
'capp=1' . "\n" .
'afusched=1 1 1 0 0 0 0 0' . "\n" .
'afu_type=1 1 1 0 0 0 0 0' . "\n" .
'icnt=200' . "\n" .
'capi_dev=' . join(' ', @{$ctxt{'capi_devices'}})."\n".
'capi_cards=' . @{$ctxt{'capi_devices'}};
}
$capi;

INP after substitution = 
splthid=7
splthjobops=0 2 1 1 4 0 2 6 0 3 8 0 4 0 0

# here i expect the $1 contents after evaluation to come that is $capi
+ should be printed but instead $marega is executed.
[download]

i hope i can convey what problem i am facing by this writeup, thanks

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