tmp01

ATCCCACCGCTGCCACCA
ACCCTGCTCGCTGCGCCA
TCCCCGGCACCTCCACCA
TCCCCGGCATCTCCACCA
ATCCTGCCGACTACGCCA
TCGATTCCCGGCCCATGCACCA
TCGATTCCCGGCCAACGCACCA
GTCCCACCAGAGTCGCCA
ACCCCACTCCTGGTACCA
GTCCCTTCGTGGTCGCCA

tmp02

AACCCCATCCCACCGCTGCCACCA	1
AACCCCATCCTCGTCGCC	1
AACCCCATGAAATAAGAG	2
AACCCCATGATCAGGACAAG	1
AACCCCATTAAAAAATGG	1
AACTGGATTCTCTGAAATCCCACCGCTGCCACCA	1
AACTGGATTGTCTGTTTGT	1
AACTGGCAAGTTCAGGCATG	1
AACTGGCACACACAACC	1
AACTGGCACACACAACCT	1


##</code><code>##


open(IN1,"tmp01") || die "Cannot open this file";

@lines1 = <IN1>;

open(IN2,"tmp02") || die "Cannot open this file";

@lines2 = <IN2>;


open(OUT,">tmp03") || die "Cannot open this file";

for $item1(@lines1){

	chomp $item1;


	#print OUT $item1,"\t";

@tmp1=split(/\t+/, $item1);


for $item2(@lines2){

	chomp $item2;

@tmp2=split(/\t+/, $item2);

		if ($tmp1[0] =~m/ *$tmp2[0]*){

			print OUT $item1,"\t",$item2;

			#last;	

		}

	$i++
}


print OUT "\n";


}


close(IN1);

close(IN2);

close(OUT);