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Help with reformat data structure

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# 1  
Old 09-06-2012
Help with reformat data structure
Input file:
Code:
bv|111259484|pir||T49736_real_data
bv|159484|pir||T9736_data_figure
bv|113584|prf|T4736|truth
bv|113584|pir||T4736_truth

Desired output:
Code:
bv|111259484|pir|T49736|real_data
bv|159484|pir|T9736|data_figure
bv|113584|prf|T4736|truth
bv|113584|pir|T4736|truth

Once the program find "pir||"
I hope to replace "pir||" into "pir|' and follow by replace the next shown "_" into "|"
Command I try:
Code:
awk '{gsub(/pir||/,"pir|",$1);print}' input_file.txt

I just able to replace the "pir||" into "pir|' but I don't know how to replace the following "_" into "|" Smilie
Thanks for any advice.
# 2  
Old 09-06-2012
Try this...

Code:
sed 's/pir||/pir|/g' file

sed 's/||/|/g' file

# 3  
Old 09-06-2012
Hi pamu,

Thanks for your reply.
My main problem facing is I not sure how to replace the "_" into "|" after I find "pir||" in the data set Smilie
I hope to replace "pir||" into "pir|' and at the same time follow by replace the next shown "_" into "|".

Thanks for any advice.
# 4  
Old 09-06-2012
Quote:
Originally Posted by perl_beginner
Hi pamu,

I hope to replace "pir||" into "pir|' and at the same time follow by replace the next shown "_" into "|".

Thanks for any advice.
You want to replace _ with | right..?

Then try this..

Code:
sed -e 's/pir||/pir|/g' -e 's/_/|/g' file

# 5  
Old 09-06-2012
I just wanna to replace only the first "_" shown when the data got "pir||" or else just print the original data set.
If I used the sed command that you mention. It will replace all the "_" into "|" which might be different with my desired output result Smilie
# 6  
Old 09-06-2012
Not able to find with single awk...Smilie

but it works..Smilie

Code:
awk -F "|" '{for(i=1;i<=NF;i++) { if ($i == "" && $(i-1) == "pir") {sub("_","|",$(i+1))} }}1' OFS=\| file | sed 's/pir||/pir|/g'

This User Gave Thanks to pamu For This Post:
perl_beginner
# 7  
Old 09-06-2012
Hi pamu,

Many thanks.
It really work and get what I desired Smilie
Really appreciated Smilie
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