Internal

Linux

Numeric Arguments

All numeric arguments are interpreted as follows:

+n for greater than n

n for exactly n

-n for less than n

Other Arguments

-print

It prints the pathname of the current file to standard output

Target Type

find . -type <type-identifier>

where the type identifier can be:

f regular file
d directory
l symbolic link
b block special
c character special
p FIFO
s socket

Case Insensitive Search

find . -iname ...

Control Descend Depth

The upper and lower limit of the descend depth can be controlled with -mindepth and -maxdepth, as follows:

find . -mindepth n

Configure find to apply tests and action at levels equal or deeper than n. -mindepth 1 processes the content of the directory specified as argument and recursively the content of its sub-directories.

find . -maxdepth n

Configure find to descend at most n directory levels below the command line arguments. -maxdepth 0 limits the whole search to the command line arguments.

In order to access directory between an upper and lower depth limit, both -mindepth and -maxdepth should be used.

Time Constraints

For interpretation of numeric arguments (+-n), see: Numeric Arguments.

Time flags:

-amin n - file was accessed n minutes ago.
-anewer file - file was accessed more recently than file was modified.
-atime n - file was accessed n * 24 hours ago. When find figures out how many 24-hour periods ago the file was last accessed, the fractional part is ignored, so to match -atime + 1, a file has to have been accessed at least two days ago.
-cmin n - file's status was last changed n minutes ago
-cnewer file
-ctime n - file's status was last changed n*24 hours ago. See the comments for -atime to understand how rounding affects the interpretation of file status change times.
-mmin n -
-mtime n - file's data was last modified n*24 hours ago. See the comments for -atime to understand how rounding affects the interpretation of file modification times.

Find all files modified less that 2 days ago

find . -mtime -2

-name Patterns

A pattern for file names with specific characters on specific positions can be specified with [...]:

find . -name *.[jw]ar

looks for *.jar and *.war.

For more complex expression syntax, see Expressions below.

Mac Detail

On Mac, the pattern must be specified between quotes:

find . -name "*.something"

Expressions

"-name pattern" is an expression. Multiple expressions can be combined using the operators -not, -and and -or.

Example:

find . -name '*.jar' -and -not -name '*-source.jar'

Filtering "." out from the directory list:

find . -type d -not -name '.'

Exec

find . -exec command {} \;

Find

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