Is it possible to ascend a numbers based on selected columns?


 
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# 1  
Old 04-06-2019
Is it possible to ascend a numbers based on selected columns?

I have to ascend the number of two selected columns by horizontal manner.
For example, I have a data like this in csv file (tab delimited format)
Code:
08	1	19185	18010
16	4	7960	9339	
01	6	516769	517428	
09	9	51384	49270

I need to ascend the two columns numbers (horizontal manner) like as follows,
Code:
08	1	18010	19185	
16	4	7960 	9339	
01	6	516769	517428	
09	9	49270	51384

Moderator's Comments:
Mod Comment changed colors. -- please use code tags for data

Is it possible to do by command? I need to change the order like this for multiple files. Therefore, please help me to do the same.

Last edited by jim mcnamara; 04-06-2019 at 11:06 AM..
# 2  
Old 04-06-2019
Do you need to have all of the last two columns changed if they are not in ascending order? This code does that. All rows could be affected, depending on the data.
Code:
awk ' $4 > $5 {printf( "%s\t%s\t%s\t%s\t%s\n", $1, $2, $3, $5, $4); next}
          {print $0}'  file.csv  > tmpfile.csv

Please note, we are not a coding service. What I provided is the code to change order of the last two columns.
This User Gave Thanks to jim mcnamara For This Post:
# 3  
Old 04-06-2019
Thank you so much jim. I tried your commands, but its not working.
# 4  
Old 04-06-2019
Hi.

Assuming sample data is on file z5; code is on file z6: changing Jim's code to this:
Code:
awk ' $3 > $4 {printf( "%s\t%s\t%s\t%s\n", $1, $2, $4, $3); next}
          {print $0}' z5

produces this output from your sample input:
Code:
$ ./z6
08      1       18010   19185
16      4       7960    9339
01      6       516769  517428
09      9       49270   51384

As Jim says, we're not a coding service, so we will expect you to:

1) be far more explicit, does not work / its not working tells us essentially nothing, clearly it did work, it simply was not what you were looking for,

2) put in more of your effort in the future.

Best wishes ... cheers, drl

Last edited by drl; 04-06-2019 at 12:55 PM..
These 4 Users Gave Thanks to drl For This Post:
# 5  
Old 04-08-2019
Thank you drl,
Thank you for your valuable help and suggestions. I assure you that, hereafter I will put my effort to create codes.
This User Gave Thanks to dineshkumarsrk For This Post:
# 6  
Old 04-08-2019
Maybe somewhat simpler? Try
Code:
$3 > $4 {TMP = $3; $3 = $4; $4 = TMP; } 1' OFS="\t" file

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