Commands by Sebasg

Commands by Sebasg (4)

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List directories recursively showing its sizes using only ls and grep

ls -lhR Lists everithing using -l "long listing format" wich includes the space used by the folder. Displays it in -h "human readable form" (i.e. 2.2G, 32K), and -R recurses subfolders. grep -e using a regex, show lines containing the word "total" or a ":" at the end of the line (those with the name of the folder) only. Show Sample Output
This is sample output - yours may be different.
```
.:
total 60K
./documents:
total 2.2G
./error:
total 32K
```
4

ls -lhR | grep -e "total\|:$"

Sebasg · 2013-01-22 04:58:51 11
Count all files in a directory

ls -1 shows one file per line (update: -1 was not really needed) wc -l counts the lines received from the previous command Show Sample Output
This is sample output - yours may be different.
```
345
```
-3

ls | wc -l

Sebasg · 2013-01-22 03:35:35 11
Grep inside Vim and navigate results

Will search for the given pattern and build a list of occurrences. Then you can use :copen and :cclose to toggle the list. When browsing the list, ENTER will take you to that line in the file.
This is sample output - yours may be different.
1

:vimgrep pattern %

Sebasg · 2012-12-30 06:51:10 5
SVN Export files that were modified between given revisions.

Get the list of changed files between revision 43 and HEAD revision: svn diff . -r43:HEAD --summarize Strip extra 8 characters from every line: cut -c9-99999 Copy the listed files to home/me/destination: cpio -pvdmu ~/destination Make a plain copy (-p), list files being copied (-v), create needed directories (-d), preserve modification time (-m), overwrite unconditionally (-u) Show Sample Output
This is sample output - yours may be different.
```
/home/me/destination/lib/model/ActivityTable.class.php
/home/me/destination/lib/model/ScheduleTable.class.php
/home/me/destination/lib/form/Activity.class.php
/home/me/destination/lib/form/Schedule.class.php
```
0

svn diff . -r43:HEAD --summarize | cut -c9-99999 | cpio -pvdmu ~/destination

Sebasg · 2012-12-26 05:02:59 5

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recursively walk down no more than three levels and grab any file with an extension of mp3, mpg, mpeg, or avi

Find usb device in realtime

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

Edit a file on a remote host using vim

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

Escape forward slashes in a variable

For example $ path="/etc/apt/sources.list"; echo ${path//'/'/'\/'} will print $ \/etc\/apt\/sources.list

list block devices

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

Separates each frame of a animated gif file to a counted file, then appends the frames together into one sheet file. Useful for making sprite sheets for games.

requires imagemagick

Redirect tar extract to another directory

The command extracting the tar contents into particular directory ...

Have subversion ignore a file pattern in a directory

If you don't want to commit files to subversion, and don't want those file to show up when doing an "svn stat", this command is what you need

Continuously show wifi signal strength on a mac

The closer to zero the better.Credit to TheSeb on macrumors: http://forums.macrumors.com/showthread.php?t=1289884

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