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problem with sort

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# 1  
Old 09-06-2010
problem with sort
Hi all,

i want to sort by the (1-8) columns and (9-7) columns:

my file:

Code:
MARTINEZ---PAUL
--DUPOND---EDDY
--DURANDJACQUES
--DUPOND--ALAIN


output:

Code:
--DUPOND--ALAIN
--DUPOND---EDDY
--DURANDJACQUES
MARTINEZ---PAUL


thanks

---------- Post updated at 06:09 AM ---------- Previous update was at 05:48 AM ----------

thank you

it's possible to only use sort command ?

---------- Post updated at 06:09 AM ---------- Previous update was at 06:09 AM ----------

thank you

it's possible to only use sort command ?
# 2  
Old 09-06-2010
Yes - I deleted my answer since it was somewhat awkward and I come back with a better solution if not already someone else did Smilie
This User Gave Thanks to zaxxon For This Post:
saw7
# 3  
Old 09-06-2010
No need to separate the keys. Sort to "dictionary" order.

Code:
sort -d filename

--DUPOND--ALAIN
--DUPOND---EDDY
--DURANDJACQUES
MARTINEZ---PAUL

This User Gave Thanks to methyl For This Post:
saw7
# 4  
Old 09-06-2010
Hi Zaxxon, I was looking at the question but could not understand the reason. Wouldn't this be equivalent to plain:
Code:
sort infile

This User Gave Thanks to Scrutinizer For This Post:
saw7
# 5  
Old 09-06-2010
I am totally unsure now lol. I had sorted it without any parameter too and saw output was sorted as OP wanted it, as you stated it. Anyway I was not sure if there could be a constellation where the "splitting" into two columns would be necessary or having character positions as offset.
This User Gave Thanks to zaxxon For This Post:
saw7
# 6  
Old 09-06-2010
@Scrutinizer . With just "sort" the hyphens throw the order.

Using a bit more data to make the problem more visible.

Code:
Original file:

MARTINEZ---PAUL
--DUPOND---EDDY
--DURANDJACQUES
--DUPOND--ALAIN
MARTINEZ---PAUL
--DUPOND---EDDY
--DURANDJACQUES
--DUPOND--ALAIN
MARTINEZ---FRED
--DUPOND---FRED
-DEGAUSSFRANCES
--DUPOND--BRIAN

sort filename

--DUPOND---EDDY
--DUPOND---EDDY
--DUPOND---FRED
--DUPOND--ALAIN
--DUPOND--ALAIN
--DUPOND--BRIAN
--DURANDJACQUES
--DURANDJACQUES
-DEGAUSSFRANCES
MARTINEZ---FRED
MARTINEZ---PAUL
MARTINEZ---PAUL

sort -d filename

-DEGAUSSFRANCES
--DUPOND--ALAIN
--DUPOND--ALAIN
--DUPOND--BRIAN
--DUPOND---EDDY
--DUPOND---EDDY
--DUPOND---FRED
--DURANDJACQUES
--DURANDJACQUES
MARTINEZ---FRED
MARTINEZ---PAUL
MARTINEZ---PAUL

This User Gave Thanks to methyl For This Post:
saw7
# 7  
Old 09-06-2010
zaxxon Smilie
methyl Smilie
Scrutinizer Smilie

thanks SmilieSmilieSmilie
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