Replace .py with .rb or .java to get the LOC of that particular filetype. An alternative is http://www.commandlinefu.com/commands/view/2812/make-a-statistic-about-the-lines-of-code

Specify the size in bytes using the 'c' option for the -size flag. The + sign reads as "bigger than". Then execute du on the list; sort in reverse mode and show the first 10 occurrences.

Prints the path/filename and sparseness of any sparse files (files that use less actual space than their total size because the filesystem treats large blocks of 00 bytes efficiently).

There's nothing particularly novel about this combination of find, grep, and wc, I'm just putting it here in case I want it again.

ack search recursively by default

pipe into

| sed "s/$/\/(1024\*1024\*1024)/" | bc

to get size in GB

Find files in a specific date range - in this case, the first half of last year.

-newermt = modification time of the file is more recent than this date

GNU find allows any date specfication that GNU date would accept, e.g.

or

Example above will recursively find files in current directory created/modified in 2010.

Original submitter's command spawns a "grep" process for every file found. Mine spawns one grep with a long list of all matching files to search in. Learn xargs, everyone! It's a very powerful and always available tool.

This command finds and prints all the symbolic and hard links to a file. Note that the file argument itself be a link and it will find the original file as well.

You can also do this with the inode number for a file or directory by first using stat or ls or some other tool to get the number like so:

or

And then using:

With this sentence we can estimate the storage size of all files not named *.jpg on the current directory.

The syntax is based on Linux, for Unix compliance use:

find ./* -prune ! -name '*.jpg' -ls |awk '{TOTAL+=$7} END {print int(TOTAL/(1024^2))"MB"}'

We can change the jpg extension for whatever extension what we need

Recursively find php files and replace tab characters with spaces.

Options:

"\*.php" -- replace this with the files you wish to find

"expand" -- replace tabs with spaces (use "unexpand" to replace spaces with tabs)

"-t4" -- tabs represent 4 spaces

Note: The IFS="" in the middle is to prevent 'read' from eating leading/trailing whitespace in filenames.

easier way to recursively change files to lowercase using rename instead

print sum of disk usage for filetype within current dir and subdirs

for when find . -print | grep -v .svn | xargs doesnt cut it.

This is for bash - make an alias - also a good blueprint for making aliases that take arguments to functions. If for Solaris use "-size +${1}000000c" to replace "-size +${1}M"

Deletes capistrano-style release directories (except that there are dashes between the YYYY-MM-DD)

One of my friends committed his code in the encoding of GB2312, which broke the build job. I have to find his code and convert.

must be in the directory containing the track

outputs to ~ but could be replaced with whatever you like e.g. ~/music/

Take a folder full of files and split it into smaller folders containing a maximum number of files. In this case, 100 files per directory.

find creates the list of files

xargs breaks up the list into groups of 100

for each group, create a directory and copy in the files

Note: This command won't work if there is whitespace in the filenames (but then again, neither do the alternative commands :-)