lina <lina.lastn...@gmail.com> wrote: > Thanks cool. a derived question,
> for a.txt: > 1 a > 2 a > 3 a > for b.txt > 1 b > 2 b > 3 b > what if I only interested the 2 filed. > namely > a b > a b > a b Are the 1, 2, 3 relevant? So if you had this, what would you expect as your output - a.txt 1 a 2 b 3 c b.txt 1 d 2 e 3 f > I tried use paste -d ' ' a.txt b.txt | awk 'print $2, $4' > are there some other way of doing it? That's good if the numeric column is irrelevant. You could use cut instead of awk, but it gets you much the same result. (You could replace the paste and the awk with a single instance of perl, but frankly I wouldn't make the effort for this kind of situation.) Chris -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/ah2es8x6sr....@news.roaima.co.uk