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Posts tagged move

BASH> Functions

Mar22
2013
Written by Scott Rowley

The beginning of a list of any functions I have created or found and deem useful:

This function will allow you to type “up ANY_NUMBER” and move that many directories up in the current directory tree you are in. If you you do not specify a number and instead just type ‘up’ by itself you will automatically go up just one directory.

function up ()
{
if (( $#> 0 )); then
COUNTER=$1;
else
COUNTER=1;
fi;
while (( ${COUNTER}> 0 )); do
UP="${UP}../";
(( COUNTER=${COUNTER}-1 ));
done;
echo "cd $UP";
cd $UP;
UP=''
}

Some servers don’t have ‘watch’ installed so I’ve made my own function to replicate it’s basic functionality (updated to work with pipes!)

function mywatch () {
while true
do
clear
date +'%D %r'
echo ''
cmd=`echo $@`
#echo "Command is '$cmd'"
last=`echo $@ | awk {'print $NF'}`
num='^[0-9]+$'
if [[ $last =~ $num ]]; then
cmd=`echo $cmd | sed "s^$last^^g"`
eval "$cmd"
sleep $last
else
eval "$cmd"
sleep 2
fi
clear
done
}

Useage:

mywatch "ls -al" 5

If a second parameter ($2) is not supplied (in this case 5) then 2 will be used and your watch will refresh every 2 seconds.

Easily locate problem directories when space is low on a server. Add the following function to your profile (.profile / .bashrc / etc)

function spaceHog ()
{
du -k | sort -n | awk '
BEGIN {
split("KB,MB,GB,TB", Units, ",");
}
{
u = 1;
while ($1>= 1024) {
$1 = $1 / 1024;
u += 1;
}
$1 = sprintf("%.1f %s", $1, Units[u]);
print $0;
}'
}

Useage:

[17:25:51][user@server][ ~ ]
[$]> spaceHog | tail -10 # To show the 10 largest, change this number as desired.
247.5 MB ./bin
247.8 MB ./.cache/google-chrome/Default
247.8 MB ./.cache/google-chrome
283.4 MB ./.cache
293.2 MB ./.wine/drive_c/Program Files (x86)
423.5 MB ./Downloads
653.6 MB ./IOS_APPS
655.1 MB ./.wine/drive_c
658.2 MB ./.wine
2.7 GB .

Delete (rm) a file by it’s inode number

Occassionally I will (or others will) run a command that ends up accidentally creating some goofy named files such as ‘?[01’. This is actually a character so you can’t just type it in to delete it. For this you can lookup the file name by it’s inode and then delete it.

You can do an ls with an -i option to get the inodes, for example:

[$]> ls -ali
total 8
295188 drwxr-xr-x 2 sasowner sas 4096 Dec 30 11:26 .
295064 drwx------ 23 sasowner sas 4096 Dec 30 11:26 ..
295406 -rw-r--r-- 1 sasowner sas 0 Dec 30 11:26 file1
295407 -rw-r--r-- 1 sasowner sas 0 Dec 30 11:26 file2
295408 -rw-r--r-- 1 sasowner sas 0 Dec 30 11:26 file3
295409 -rw-r--r-- 1 sasowner sas 0 Dec 30 11:26 file4

You could then follow this up with a command such as:

[$]> find . -inum 295409 -exec rm {} \;

However, you probably won’t use this command often enough to remember it unless you are regularly familiar with the find command. Instead, I’ve create the following simple function:

function rmi ()
{
find . -inum $1 -exec rm -i {} \;
}

Then simply type the following after getting the inode of the file

[$]> rmi ######
Posted in BASH, Ubuntu - Tagged alias, bash_profile, bashrc, cd, clear, COUNTER, date, directory, function, monitor, navigate, profile, sleep, up, watch

Windows> Move your offscreen windows back on screen

Nov03
2010
Written by Scott Rowley

This morning I was majorly annoyed when a Gimp window was offscreen and there was not a damn thing I could figure out to do to finally be able to move it. The standard way to move a window back on screen is to right click on the taskbar item and select move and then use the arrows to move it back. However, since Gimp has these annoying ass multi-windows that wouldn’t work as all it wanted to move was the main window. After some frustrations and googling I finally found the following to work for me.

The window that was off screen was the “Toolbox” window. The top of it was completely off screen so there was no hope of right clicking it and getting into the menu to select move. Well fortunately some of the most annoying things have the simplest answer. All I needed to do was click on the toolbox anywhere so it was the window selected and then hit

Alt-Spacebar

From there I was in the menu and could mouse/arrow down to “move” and then use my arrows as normal to get the bastard back.

Posted in Gimp, Windows - Tagged Gimp, screen, window

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