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Count how many times a pattern is present into a file. It can be one or more lines. No overlapping. It means searching for aa on aaa will output 1 not 2.
Count how many times a pattern is present into a stream. It can be one or more lines. No overlapping. It means searching for aa on aaa will output 1 not 2.
Pings all the hosts on 192.168.1.0/24 in parallel, so it is very fast. Alive host IP addresses are echoed to stdout as pings are responded to.
Shows the OS X applications downloaded from App Store. Doesn't include manually added apps.
first grep all href images then sed the url part then wget
Converts red-cyan 3D anaglyphs to side-by-side format viewable by crossing your eyes. Useful for people who don't have 3D glasses or prefer not to use one.
Note between the last there is no plus sign
This example will close the pipe after transferring 100MB at a speed of 3MB per second.
This is for files only, for directories 'mirror' has to be used.
This command downloads the actual 20 most popular pictures from the website 500px. It uses a random name due to the fact the the pictures in 500px are stored with the same name.
UPDATED: doesn't work if no referrer is specified: --referer='http://500px.com/'
It works best if you first login and then do the fetch:
lftp -u user,pass ftp://site.com/
mirror -c --parallel=3 --use-pget-n=5 "Some folder"
There can be more than one trailing slash, all of them will be removed.
Blocksize (bs) is not mandatory. It's only needed when the count option is specified.
apt-get install cmatrix cmatrix-xfont wmctrl transset-df
Need to restart computer for mtx font to work
Commands while cmatrix is running:
1 - 9 = Change speed
SHIFT + 1 - 7 = change colors
Q = Quit
Tested in Ubuntu 10.04
When it says "Invalid Directory Name"