i have a tab delimited column file as shown

np    np    n_nom    3    {RP}    {RP}
paNiyappeVttirunna    VM_RP    V_RP    o    o    o
np    np    n_nom    -3    {/RP}    {/RP}

np    np    n_nom    3    {RP}    {RP}
nammal    VM_RP    V_RP    o    o    o
np    np    n_nom    -3    {/RP}

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and there are many such sections seperated by a new line.i want to count the no.of sentences that has {RP} {RP} and {/RP} {/RP} occuring together.If the string is missing from either the 4th or 5th column then it should not be counted.

$countC = 0;
while(<>) 
{
chomp;
@array = split(/\t/,$_);
if($array[4] eq $array[5]) 
{
foreach $item(@array){
if(($item =~ /{RP}/) && ($item++ =~ /{\/RP}/))
{
$countC++;
}
}
}
}
print"CorrectRP=>$countC\n";

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In reply to compare two rows in a colum file by lakssreedhar

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