cost 339 ms
First line from multiple gz files

I know that there are multiple ways to read the first line from a gz file, for example: or However, I have a directory with many, many gz files, ...

Grep sorted files in S3 folder

I'd like to sort files in S3 folders and then check if files contain a certain string. When I usually want to grep a file I do the following: I se ...

grep file with a large array

Hi i have a few archive of FW log and occasionally im required to compare them with a series of IP addresses (thousand of them) to get the date and ti ...


 
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