SORT by letter

murbina · #1 (**permalink**) 05-12-2004

Hello again,

Since I am UNIX new user I have this question:

I have this file:

1 A A
1 A A
1 A A
1 B B
1 B B
1 X X
1 X X
1 C C

Could anyone of you help me to sort this file like this:
(I need all A and X together)

1 A A
1 A A
1 A A
1 X X
1 X X
1 B B
1 B B
1 C C

I appreciate all your help!

jim mcnamara · #2 (**permalink**) 05-12-2004

sort doesn't work that way. You can try using some kind of text filter.

Assuming you have a file - somefile

Code:

# get everything in order
sort somefile -o somefile
# put the A data out to a new file
grep '1 A' somefile > newfile
# put the X out to the same new file
grep '1 X' somefile >> newfile
# put everything that is not A and not X out to the new file
grep -v '1 A' somefile | grep -v '1 X' >> newfile

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