Select Code to Download

file1.....

...
test1 ghi
test3 jkl
test3 mno

test1 abc ghi
test3 ghi jkl
test3 ghi mno

perl -ane '($a,$b)=@F;!$h{$a}?$h{$a}=$b:print"$a $h{$a} $b\n"' file1 f
+ile2