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5 votes
5 answers
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Replace all occurrences of dash to the left of a colon using sed

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Kusalananda♦
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26 votes
4 answers
147k views

Replace all white spaces with commas in a text file

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jubilatious1
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1 vote
1 answer
53 views

Extracting "devname" from log message with re_extract

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jubilatious1
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200 votes
7 answers
587k views

With the Linux "cat" command, how do I show only certain lines by number

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daemondave
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28 votes
4 answers
14k views

Print lines between (and including) two patterns

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bathyscapher
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19 votes
4 answers
7k views

Binary search in a sorted text file

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Ole Tange
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1 answer
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How to add header and trailer to the existing file straight away

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3 votes
3 answers
5k views

Extract json array element based on a subelement value

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Kusalananda♦
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0 votes
2 answers
99 views

How to extract specific fields from systemctl output for a custom report

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Kusalananda♦
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5 votes
2 answers
2k views

Filter one very large CSV based on values from another CSV

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pileofrogs
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10 votes
10 answers
2k views

Convert only all-uppercase lines to lower-case

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Stéphane Chazelas
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290 votes
21 answers
472k views

How to add a newline to the end of a file?

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myrdd
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6 votes
5 answers
10k views

Remove trailing commas from invalid json (to make it valid)

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Stéphane Chazelas
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2 votes
3 answers
6k views

Comparing csv files to lookup column 1 then check values in column 2

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