Tagged Questions
1
vote
4answers
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Grepping over a huge file performance
I have FILE_A which has over 300K lines and FILE_B which has over 30M lines.
I created a bash script that greps each line in FILE_A over in FILE_B and writes the result of the grep to a new file.
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18
votes
6answers
2k views
Is there a way to modify a file in-place?
I have a fairly large file (35Gb), and I would like to filter this file in situ (i.e. I don't have enough disk space for another file), specifically I want to grep and ignore some patterns — is there ...