Commands by dustindorroh (2)

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Count the number of deleted files
It does not work without the verbose mode (-v is important)

Opens vi/vim at pattern in file
Open up vi or vim at the first instance of a pattern in [file]. Useful if you know where you want to be, like "PermitRootLogin" in sshd_config. Also, vi +10 [file] will open up a file at line 10. VERY useful when you get "error at line 10" type of output.

Install pip with Proxy
Installs pip packages defining a proxy

Merge files, joining each line in one line
Merge files, joining line by line horizontally. Very useful when you have a lot of files where each line represents an info about an event and you want to join them into a single file where each line has all the info about the same event See the example for a better understanding

regex for turning a URL into a real hyperlink (i.e. for posting somewhere that accepts basic html)
This should work with anything://url.whatever etc etc ;)

One liner to kill a process when knowing only the port where the process is running
-k (kill option ) . To kill all processes accessing this port

Convert numbers to SI notation
converts any number on the 'stdin' to SI notation. My version limits to 3 digits of precious (working with 10% resistors).

Convert a date to timestamp
Simple way to get a timestamp from a date

Compression formats Benchmark
See: http://imgur.com/JgjK2.png for example. Do some serious benchmarking from the commandline. This will write to a file with the time it took to compress n bytes to the file (increasing by 1). Run: $ gnuplot -persist

split and combine different pages from different pdf's
The command shows the real power of the pdftk tool, you can do basically everything you want with multiple pdf's. In the command a book is created from chapters, headings and covers.


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