Replace period in a tab delimited file to a number
I have a file like this.
It is tab delimited.
Unfortunately, the missing data was filled in with a period "." (see the leading lines 1-5 columns)
I want to substitute the periods for misisng data with an integer "-999".
however, I do not want the global replace to change the other periods seen in the file.
for e.g, c.17_18del or p.P6fs should stay without change.
awk or sed preferred, but also willing to try other simple solutions.
Have only rudimentary bash programming skills.
Attached an example file.
Thanks
~ GH
Wont that shift the fields when adding an additional tab in between?
Will it work if I put an underscore or do I need to breakup that field?
Thanks for your help
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Line 1
Line 2
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ash kjl
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Here we go.
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filename and delimiter character will be passed through parameter.
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I have a file with single white space delimited values, I want to convert them to a tab delimited file.
I tried sed, tr ... but nothing is working.
Thanks,
Rajeevan D (16 Replies)