find /home/user/somedir -depth -type d -empty -exec rmdir -v {} \; This CAN and WILL destroy all your data and eat your small { dog | cat | turtle | parrot } if you aren’t careful! ALWAYS check the path twice and then check it again before using.
I have close to 3000 images in a folder and needed to know exactly how many for a stupid bet I made. I dont feel like counting them! there must be something in the linux world to make this easier…. well there is. simple extension of the ls command. my directory is called images but…
every now and again we need to take a bunch of file names from a folder and output then into a single file. sometimes with markup around them. Well there’s always ls. ls > test.txt this nets you the following in a file: 0.png 1.png blockcontent_h.png blockcontent_s.png blockcontent_v.png blockheader.png what if you want markup around…
Compression types and utils in Linux There are many compression utilities available to the average users on a linux system, so which one is best? well it all depends on what your intended use/goal for the file(s) is. Are you planning on sending the file to other OS’s? are you planning on decompressing the file…
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SED aka stream editor is a utility app in linux / bsd systems (among others) which allows you to parse text in files based on simple regexp and change them based on its own set of rules. simple syntax for parsing and replacing text in a file called test.txt that contains the text I love…
