Commands by mrttlemonde

Commands by mrttlemonde (10)

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Simple calculus

Exit with empty line
This is sample output - yours may be different.
-7

read c; while [ -n "$c" ]; do clear; echo -e "$c = "$(echo "$c" |bc -l)"\n"; read c; done

mrttlemonde · 2011-11-13 10:28:40 2
Execute external code

Useful command to avoid unreadble script in a single file...
This is sample output - yours may be different.
-4

source filename_script.sh

mrttlemonde · 2010-05-14 15:14:25 0
killall -r ".*my-process.*"
This is sample output - yours may be different.
5

Kill all process using regular expression (-r option)

mrttlemonde · 2010-05-14 15:07:12 0
Audible warning when a downloading is finished

This command can be set as an alias in ~/.bashrc For example (in my case) I have : alias watchDl='while [ "$(ls $filePart)" != "" ]; do sleep 5; done; mpg123 /home/.../warning.mp3" ' Then I just need to - initialize filePart (e.g. filePart="*bigFile*rar.part") - launch watchDl
This is sample output - yours may be different.
1

while [ "$(ls $filePart)" != "" ]; do sleep 5; done; mpg123 /home/.../warning.mp3

mrttlemonde · 2009-12-06 10:55:09 6
Extract neatly a rar compressed file

It's also possible to delay the extraction (echo "unrar e ... fi" |at now+20 minutes) wich is really convenient!
This is sample output - yours may be different.
4

unrar e file.part1.rar; if [ $? -eq 0 ]; then rm file.part*.rar; fi

mrttlemonde · 2009-06-13 11:11:43 3
A very simple and useful stopwatch

time read -sn1 (s:silent, n:number of characters. Press any character to stop)
This is sample output - yours may be different.
171

time read (ctrl-d to stop)

mrttlemonde · 2009-03-20 22:50:06 14
Clear the terminal screen
This is sample output - yours may be different.
195

ctrl-l

mrttlemonde · 2009-03-18 17:38:49 10
Decreasing the cdrom device speed

Decreasing the cdrom device speed may be more comfortable to watch films (for example)
This is sample output - yours may be different.
8

eject -x 4

mrttlemonde · 2009-03-18 16:25:11 1
Doing some floating point calculations with rounding (e.g. at the 3rd decimal)
This is sample output - yours may be different.
1

echo '123/7' |bc -l |xargs printf "%.3f\n"

mrttlemonde · 2009-03-18 14:20:32 2
Copy the text from the 3rd line to the 9th line into a new file with VI
This is sample output - yours may be different.
2

:3,9w new_file

mrttlemonde · 2009-03-08 09:26:17 0

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import a new set of files located in a local directory into a remote Subversion repository

a simple bash one-liner to create php file and call php function

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Search some text from all files inside a directory

Display standard information about device

Queries the specified ethernet device for associated driver information

list block devices

Shows all block devices in a tree with descruptions of what they are.

Select rectangular screen area

Hold 'Ctrl' + 'Alt' key while selecting rectangular text area of the screen with left mouse button. Should work in any terminal screen (xterm, konsole, ...) under X, if not then try with 'Ctrl' + 'Shift' + 'Alt' or two-combination of these.

AWK command to extract log files between dates

Console clock

Shows a simple clock in the console -t param removes the watch header Ctrl-c to exit

Day of the week of your birthday over the years.

Do you ever want to know which day of week was your birhday! Now you can check that with this command, just set your birh date at the beginning (My bday in the example) and the dates will be revealed. ;)

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