Commands tagged pdf (61)

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Test a serial connection
If the connection works you should see a "hello" on host A. If not: check your cabeling etc :-)

Generate a random text color in bash
The expression $(( $RANDOM * 6 / 32767 + 1 )) generates a random number between 1 and 6, which is then inserted into the escape sequence \e[3_m to switch the foreground color of the terminal to either red, green, yellow, blue, purple or cyan. The color can be reset using the escape sequence \e[0m. The full list of colors can be found here: https://wiki.archlinux.org/index.php/Color_Bash_Prompt#List_of_colors_for_prompt_and_Bash

open manpage and search for a string
This will open the manpage for "foobar", and display all instances of "searched_string". You can traverse through them by pressing "n"

Downsample mp3s to 128K
This will lower the quality of mp3 files, but is necessary to play them on some mobile devices.

Makefile argument passing
This would allow reference of $(VAR) (if defined) with the value 'foobar' within the Makefile.

Generate a random password 30 characters long
The pwgen program generates passwords which are designed to be easily memorized by humans, while being as secure as possible. Human-memorable passwords are never going to be as secure as completely completely random passwords. [from pwgen man page]

list files recursively by size

Print trending topics on Twitter

invoke MATLAB functions from command line
`-r script.m` also possible

Calculate N!


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