Commands by mwgamera

Commands by mwgamera (6)

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convert from decimal to hexadecimal
This is sample output - yours may be different.
-3

hex() { echo $1 16op | dc; }

mwgamera · 2011-12-12 17:12:31 4
Join lines split with backslash at the end

Joins each line that end with backslash (common way to mark line continuation in many languages) with the following one while removing the backslash. Show Sample Output
This is sample output - yours may be different.
```
$ sed -e '/\\$/{:0;N;s/\\\n//;t0}' <<END
> Hello \\
> world!
> END
Hello world!
$ echo 'scale=70; 127/131' | bc | sed -e '/\\$/{:0;N;s/\\\n//;t0}'
.9694656488549618320610687022900763358778625954198473282442748091603053
```
9

sed -e '/\\$/{:0;N;s/\\\n//;t0}'

mwgamera · 2011-10-09 14:35:23 11
Calculate N!

More readable version of factorial calculation using standard desktop calculator instead of bc.
This is sample output - yours may be different.
0

dc -e '10 [q]sq[dd1=q1-lxx*]dsxxp'

mwgamera · 2011-02-16 19:00:21 6
Using mplayer to play the audio only but suppress the video
This is sample output - yours may be different.
9

mplayer -novideo something.mpg

mwgamera · 2010-02-27 22:25:47 12
Get length of current playlist in xmms2
This is sample output - yours may be different.
1

xmms2 list | sed -n -e '1i\0' -e 's/^.*($[0-9]*$:$[0-9]*$)$/\1 60*\2++/gp' -e '$a\60op' | dc | sed -e 's/^ *//' -e 's/ /:/g'

mwgamera · 2010-02-15 10:37:48 15
Get URLs matching some xmms2 search
This is sample output - yours may be different.
0

xmms2 info $(xmms2 mlib search '<query>' | sed -ne 's/^00*$[1-9][0-9]*$.*$/\1/p') | awk -F' = ' '$1~/ url$/{print$2}'

mwgamera · 2010-02-15 10:24:15 4

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Socksify any program to avoid restrictive firwalls

Require: - tsocks (deb pkg) - A working SOCKS proxy. It's easy with ssh: $ ssh -N -D localhost:1080 your.home.pc -p 443 - tsocks configuration in your /etc/tsocks.conf (for the previous): server = 127.0.0.1 server_port = 1080

url shortner using google's shortner api

First get a api key for google url shortner from here https://developers.google.com/url-shortener/ Then replace the API_KEY in the command

A function to find the newest file in a directory

Number file

Save your open windows to a file so they can be opened after you restart

This will save your open windows to a file (~/.windows). To start those applications: $ cat ~/.windows | while read line; do $line &; done Should work on any EWMH/NetWM compatible X Window Manager. If you use DWM or another Window Manager not using EWMH or NetWM try this: $ xwininfo -root -children | grep '^ ' | grep -v children | grep -v '' | sed -n 's/^ *$0x[0-9a-f]*$ .*/\1/p' | uniq | while read line; do xprop -id $line _NET_WM_PID | sed -n 's/.* = $[0-9]*$$/\1/p'; done | uniq -u | grep -v '^$' | while read line; do ps -o cmd= $line; done > ~/.windows

Show sorted list of files with sizes more than 1MB in the current dir

remove *.jpg smaller than 500x500

Play random music from blip.fm

Get shellcode of the binary using objdump

Anyone can make the command smaller & easier? :)

list files recursively by size

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