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biggest->small directories, then biggest->smallest files
This command changes all filename and directories within a directory tree to unaccented ones. I had to do this to 'sanitize' some samba-exported trees. The reason it works might seem a little difficult to see at first - it first reverses-sort by pathname length, then it renames only the basename of the path. This way it'll always go in the right order to rename everything.
Some notes:
1. You'll have to have the 'unaccent' command. On Ubuntu, just aptitude install unaccent.
2. In this case, the encoding of the tree was UTF-8 - but you might be using another one, just adjust the command to your encoding.
3. The program might spit a few harmless errors saying the files are the same - not to fear.
This allows the output to be sorted from largest to smallest in human readable format.
Check which files are opened by Firefox then sort by largest size (in MB). You can see all files opened by just replacing grep to "/". Useful if you'd like to debug and check which extensions or files are taking too much memory resources in Firefox.
This command will find the biggest files recursively under a certain directory, no matter if they are too many. If you try the regular commands ("find -type f -exec ls -laSr {} +" or "find -type f -print0 | xargs -0 ls -laSr") the sorting won't be correct because of command line arguments limit.
This command won't use command line arguments to sort the files and will display the sorted list correctly.
This one will work a little better, the regular expressions it is not 100% accurate for XML parsing but it will suffice any XML valid document for sure.
Calculates md5 sum of files. sort (required for uniq to work). uniq based on only the hash. use cut ro remove the hash from the result.
The command could show you all conecctions if you skip "grep ESTABLISHED"
On a Gentoo system, this command will tell you which packets you have installed and sort them by how much space they consume. Good for finding out space-hogs when tidying up disk space.
I'm working in a group project currently and annoyed at the lack of output by my teammates. Wanting hard metrics of how awesome I am and how awesome they aren't, I wrote this command up.
It will print a full repository listing of all files, remove the directories which confuse blame, run svn blame on each individual file, and tally the resulting line counts. It seems quite slow, depending on your repository location, because blame must hit the server for each individual file. You can remove the -R on the first part to print out the tallies for just the current directory.
This command will generate "CHECK TABLE `db_name.table_name` ;" statements for all tables present in databases on a MySQL server, which can be piped into the mysql command. (Can also be altered to perform OPTIMIZE and REPAIR functions.)
Tested on MySQL 4.x and 5.x systems in a Linux environment under bash.
Busiest seconds:
cat /var/log/secure.log | awk '{print substr($0,0,15)}' | uniq -c | sort -nr | awk '{printf("\n%s ",$0) ; for (i = 0; i<$1 ; i++) {printf("*")};}'
This will create the file /tmp/pkgdetails, which will contain a listing of all the files installed on your RPM-based system (RedHat, Fedora, CentOS, etc). Useful should the RPM system/database become corrupted to find which package installed which files.
Just a handy way to get all the unique links from inside all the html files inside a directory. Can be handy on scripts etc.
Save the script as: sort_file
Usage: sort_file < sort_me.csv > out_file.csv
This script was originally posted by Admiral Beotch in LinuxQuestions.org on the Linux-Software forum.
I modified this script to make it more portable.