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Capitalize first letter of each word in a string
Ruby ftw

checks size of directory & delete it if its to small
only simple example how to combine rclone & jq

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

Copy a file with progress and save hash to a different file

Remove security limitations from PDF documents using ghostscript (for Windows)
#4345 also works under windows

Base conversions with bc
Easily convert numbers to their representations in different bases. Passing "ibase=16; obase=8; F2A" to bc will convert F2A (3882 in decimal) from Hex to Octal, and so on.

SAR - List the average memory usage for all days recorded under '/var/log/sa/*' using sar -r.

Clear filesystem memory cache

Use QuickLook from the command line without verbose output

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.


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