Commands by skkzsh

Commands by skkzsh (5)

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list unique file extensions recursively for a path, include extension frequency stats

Get the longest match of file extension (Ex. For 'foo.tar.gz', you get '.tar.gz' instead of '.gz') Show Sample Output
This is sample output - yours may be different.
```
100 .txt
 25 .tar.gz
 10 .vim
  3 .gitignore
```
2

find /some/path -type f -printf '%f\n' | grep -o '\..\+$' | sort | uniq -c | sort -rn

skkzsh · 2013-03-18 14:42:29 9
list unique file extensions recursively for a path, include extension frequency stats

If you have GNU findutils, you can get only the file name with find /some/path -type f -printf '%f\n' instead of find /some/path -type f | gawk -F/ '{print $NF}' Show Sample Output
This is sample output - yours may be different.
```
100 txt
 25 gz
 10 vim
  3 gitignore
```
0

find /some/path -type f | gawk -F/ '{print $NF}' | gawk -F. '/\./{print $NF}' | sort | uniq -c | sort -rn

skkzsh · 2013-03-18 14:40:26 5
Do I have this command?

or which <command> > /dev/null 2>&1 || echo Error! For example, I write which colordiff > /dev/null 2>&1 && alias diff=colordiff in my `~/.bashrc`.
This is sample output - yours may be different.
-4

which <command> > /dev/null 2>&1 && echo Success!

skkzsh · 2013-03-13 10:04:42 10
Encrypt directory with GnuPG and tar

Decrypt with: gpg -o- foo.tgz.gpg | tar zxvf -
This is sample output - yours may be different.
0

tar zcf - foo | gpg -c --cipher-algo aes256 -o foo.tgz.gpg

skkzsh · 2013-03-13 09:44:39 6
Execute matlab sentences from command line

Execute matlab sentences in shell script: for var in `seq 0 0.2 1` ; do echo "my_function($var);" | matlab -nodisplay done
This is sample output - yours may be different.
1

echo 'magic(3)' | matlab -nodisplay

skkzsh · 2013-03-09 14:08:09 5

What's this?

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Reboot machine when everything is hanging

If the machine is hanging and the only help would be the power button, this key-combination will help to reboot your machine (more or less) gracefully. R - gives back control of the keyboard S - issues a sync E - sends all processes but init the term singal I - sends all processes but init the kill signal U - mounts all filesystem ro to prevent a fsck at reboot B - reboots the system Save your file before trying this out, this will reboot your machine without warning! http://en.wikipedia.org/wiki/Magic_SysRq_key

Change wallpaper for xfce4 >= 4.6.0

Simply changes the wallpaper of xfce4 from the command line. Not for multiple displays.

Display IPs accessing your Apache webserver.

locate bin, src, and man file for a command

show installed but unused linux headers, image, or modules

will show: installed linux headers, image, or modules: /^ii/!d avoiding current kernel: /'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d only application names: s/^[^ ]* [^ ]* $[^ ]*$.*/\1/ avoiding stuff without a version number: /[0-9]/!d

Capture FTP Credentials and Commands

set wallpaper on windowmaker in one line

set directly the wallpaper on windowmaker , use this command with display of imagemagick :)

random git-commit message

Do a git commit using a random message.

Rename files in batch

Backup a local drive into a file on the remote host via ssh

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