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Change Data base on Column

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# 1  
Old 01-12-2015
Change Data base on Column
Base of last two column i want to change may data

if Last two Column have A and C then Copy Column $4 to Column $3.

Input :-

Code:
DD142 0_1 DD142_A DD142_B A B
DD142 1_1 DD142_B DD142_C B C
DD142 2_1 DD142_A DD142_C A C
DD142 3_1 DD142_A  A 
DD142 3_2 DD142_A  A 
DD142 4_1 DD142_B  B 
DD142 4_2 DD142_B  B 
DD142 5_1 DD142_C  C 
DD142 5_2 DD142_C  C 
DD709 0_1 DD709_A DD709_B A B
DD709 1_1 DD709_B DD709_C B C
DD709 2_1 DD709_A DD709_C A C

Output :-

Code:
DD142 0_1 DD142_A 
DD142 1_1 DD142_B 
DD142 2_1 DD142_C
DD142 3_1 DD142_A  
DD142 3_2 DD142_A  
DD142 4_1 DD142_B  
DD142 4_2 DD142_B  
DD142 5_1 DD142_C  
DD142 5_2 DD142_C  
DD709 0_1 DD709_A 
DD709 1_1 DD709_B 
DD709 2_1 DD709_C

# 2  
Old 01-12-2015
Hi,
A awk solution:
Code:
$ cat finput.data 
DD142 0_1 DD142_A DD142_B A B
DD142 1_1 DD142_B DD142_C B C
DD142 2_1 DD142_A DD142_C A C
DD142 3_1 DD142_A  A 
DD142 3_2 DD142_A  A 
DD142 4_1 DD142_B  B 
DD142 4_2 DD142_B  B 
DD142 5_1 DD142_C  C 
DD142 5_2 DD142_C  C 
DD709 0_1 DD709_A DD709_B A B
DD709 1_1 DD709_B DD709_C B C
DD709 2_1 DD709_A DD709_C A C
$ awk '$(NF-1) == "A" && $NF == "C" {$3=$4}NF=3' finput.data 
DD142 0_1 DD142_A
DD142 1_1 DD142_B
DD142 2_1 DD142_C
DD142 3_1 DD142_A
DD142 3_2 DD142_A
DD142 4_1 DD142_B
DD142 4_2 DD142_B
DD142 5_1 DD142_C
DD142 5_2 DD142_C
DD709 0_1 DD709_A
DD709 1_1 DD709_B
DD709 2_1 DD709_C

Regards.
This User Gave Thanks to disedorgue For This Post:
pareshkp
# 3  
Old 01-13-2015
Quote:
Originally Posted by disedorgue
Hi,
A awk solution:
Code:
$ cat finput.data 
DD142 0_1 DD142_A DD142_B A B
DD142 1_1 DD142_B DD142_C B C
DD142 2_1 DD142_A DD142_C A C
DD142 3_1 DD142_A  A 
DD142 3_2 DD142_A  A 
DD142 4_1 DD142_B  B 
DD142 4_2 DD142_B  B 
DD142 5_1 DD142_C  C 
DD142 5_2 DD142_C  C 
DD709 0_1 DD709_A DD709_B A B
DD709 1_1 DD709_B DD709_C B C
DD709 2_1 DD709_A DD709_C A C
$ awk '$(NF-1) == "A" && $NF == "C" {$3=$4}NF=3' finput.data 
DD142 0_1 DD142_A
DD142 1_1 DD142_B
DD142 2_1 DD142_C
DD142 3_1 DD142_A
DD142 3_2 DD142_A
DD142 4_1 DD142_B
DD142 4_2 DD142_B
DD142 5_1 DD142_C
DD142 5_2 DD142_C
DD709 0_1 DD709_A
DD709 1_1 DD709_B
DD709 2_1 DD709_C

Regards.
Hello disedorgue,

If Number of fields are less than 6 and last 2 columns have values A and C so above solution will work then
also(which I guess pareshkp doesn't want seems user want to exchange only DD values) so adding a minor condition to it.
Code:
awk '($(NF-1)=="A" && $NF=="C" && NF==6){$3=$4} NF=3' Input_file

Output will be as follows.
Code:
DD142 0_1 DD142_A
DD142 1_1 DD142_B
DD142 2_1 DD142_C
DD142 3_1 DD142_A
DD142 3_2 DD142_A
DD142 4_1 DD142_B
DD142 4_2 DD142_B
DD142 5_1 DD142_C
DD142 5_2 DD142_C
DD709 0_1 DD709_A
DD709 1_1 DD709_B
DD709 2_1 DD709_C

Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
pareshkp
# 4  
Old 01-13-2015
Thanks to all ,

Both Solution Works Fine Smilie
# 5  
Old 01-13-2015
Both solutions work fine for your case, but RavinderSingh13's solution is most safe because it checks the number of field.

Regards.
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