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Tuesday, May 19, 2020
Linux Shell - What is IFS?
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IFS stands for internal field separator. This is the delimiter used when words are split. The man page of bash tells : IFS The Inter...
Thursday, May 14, 2020
Python - How does an iterator work
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In this article, we will discuss how does an iterator work. Python has 2 function related to iterator: iter and next . iter creates an i...
Tuesday, May 5, 2020
bash - 5 examples to do arithmetic operations
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While working in bash or while writing bash scripts, many times it so happens we rely on external commands to get our math done. Most of t...
Thursday, April 30, 2020
Python - How to read a file?
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In this article, we will see how to read from a file. Let us have file with content as below: $ cat file Unix Linux AIX 1. Reading lin...
Tuesday, April 28, 2020
bash - 10 examples to find / replace in a string
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Many times when we want to replace or extract something, we immediately end up with and awk or a sed oneliner. Keep in mind, the first optio...
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