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sed to add word if pattern exists

February 27, 2015, 8:53 am

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Hi,

I have a file with data listed below:

Code:

clm_id double,

cnl_id double,

cnl_amt double

I want output to be

Code:

clm_id string,

cnl_id string,

cnl_amt double

So replace double by string if the field contains the word _id

I tried

Code:

sed -e 's/_id/& string/' filename

The above will not delete double.

I can add one more comand and delete double, but I want to do it in same command if possible

Thanks

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