find is a command line utility to search for files in a directory hierarchy

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Why the dot in find commands?

Typically, one sees find commands that look like this: $ find . -name foo.txt when the search is to begin from the current directory. I'm finding that on my machines (Ubuntu, Cygwin) I get the same ...
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bash find xargs grep only single occurence

Maybe it's a bit strange - and maybe there are other tools to do this but, well.. I am using the following classic bash command to find all files which contain some string: find . -type f | xargs ...
11
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3answers
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How can I move files by type recursively from a directory and its sub-directories to another directory?

What would be a good way to move a file type from a directory and all of its sub-directories? Like "move all *.ogg in /thisdir recursively to /somedir". I tried a couple of things; my best effort was ...
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2answers
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How to detect whether “find” found any matches?

Is there an idiomatic means to detect whether "find" found any matches? I'm currently using COUNT=`find ... | wc -l` if [ "$COUNT" -gt 0 ]; then but this seems a little indirect to me. Also, I'd ...
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2answers
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Tar up all PDFs in a directory, retaining directory structure

I'm trying to create a compressed tarball that contains all PDF files that exist in one of my directories. The directory structure needs to be retained. Empty directories are not needed, but I really ...
11
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1answer
599 views

How to do `head` and `tail` on null-delimited input in bash?

find command can output names of files as a null-delimited strings (if -print0 is provided), and xargs can consume them with -0 option turned on. But in between, it's hard to manipulate that ...
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2answers
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Use find command to convert markdown files to html

Lets suppose I have files on my harddisk having extensions as .md. I want to convert all those files to .html through find and the -exec option. The command to convert a markdown file to html is ...
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2answers
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Why is my find not recursive?

I am running the following command, but it is not performed recursively: find . -name *.java I know there are java files further down in the current directory but it is performing the find on the ...
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1answer
1k views

Find a file where name starts with a capital letter

I'm trying to find all files for which there name starts with a capital letter. I have tried using the following command: find . -type f -regex '.*\/[A-Z][^/]*' It's finding paths with only ...
10
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1answer
15k views

delete files matching pattern

I need to recursively remove all files in all subdirs where the filename contains a number followed by an 'x' followed by a number, at least two times. Example: I'd want to remove these files: ...
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3answers
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identify files with non-ASCII or non-printable characters in file name

In a directory size 80GB with approx 700,000 files, there are some file names with non-English characters in the file name. Other than trawling through the file list laboriously is there: An easy ...
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2answers
896 views

What's the + in find /path/ -exec command '{}' + do?

What's the + in find /path/ -exec command '{}' + do? as opposed to find /path/ -exec command '{}' \;
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4answers
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Getting all files that have been modified on a specific date

Is it possible to find all php files within a certain directory that have been modified on a certain date I'm using find /var/www/html/dir/ -mtime -28 | grep '\.php' to get files modified within ...
10
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1answer
8k views

Solaris equivalent for depth/prune?

I am trying to find some files inside a directory. By default, the find command is searching the directory which I have specified and it's sub directories. I tried to use depth/maxdepth and prune, ...
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5answers
8k views

How do I recursively grep through compressed archives?

I'm trying to find out what modules use Test::Version in cpan. So I've used minicpan to mirror it. My problem is that I need to iterate through the archives that are downloaded, and grep the files ...
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2answers
7k views

Finding all “Non-Binary” files

Is it possible to use the find command to find all the "non-binary" files in a directory? Here's the problem I'm trying to solve. I've getting an archive of files from a windows user. This archive ...
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4answers
10k views

find -exec in bash script with variable expansion

I'm trying to run a command similar to the one below in a bash script. It should search through all subfolders of $sourcedir and copy all files of a certain type to the root level of $targetdir. ...
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3answers
5k views

Delete files and directories by their names. No such file or directory

I need to delete all compiled data: directories called build, directories called obj, *.so files. I wrote a command find \( -name build -o -name obj -o -name *.so \) -exec rm -rf {} \; that ...
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find | xargs shasum creates checksum of checksum file itself (prematurely) and fails when checking

My problem (in a script with #!/bin/sh) is as follows: I try to checksum all files in a directory for archival purposes. The checksum (in my case sha1) file with all filenames should reside in the ...
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4answers
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How can I find all files that do NOT contain a text string?

What concise command can I use to find all files that do NOT contain a text string? I tried this (using -v to invert grep's parameters) with no luck: find . -exec grep -v -l shared.php {} \; ...
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4answers
10k views

Finding a substring in files across subdirectories with a single built-in command?

In Windows, if I wanted to find a string across all files in all subdirectories, I would do something like findstr /C:"the string" /S *.h However, in Linux (say, Ubuntu) I have found no other way ...
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1answer
526 views

Is it possible to use `find -exec sh -c` safely?

I'm trying to use find to echo 0 into some files, but apparently this only works with sh -c: find /proc/sys/net/ipv6 -name accept_ra -exec sh -c 'echo 0 > {}' \; But using sh -c with find -exec ...
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2answers
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Find files that a user can not read?

I want to find files that a particular user will not be able to read. Assume the username is "user123" and they are in a group called "user123". I want to find files that, if they are owned by ...
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2answers
8k views

How do I stop a find from descending into found directories?

I'm wanting to find all directories with a specific string so I can do another find on the files contained within. So I don't want to waste time on ./my-search-term/dir/my-search-term etc. How can I ...
9
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1answer
267 views

How is updatedb so much faster than find?

How is updatedb so much faster than find? Here's a timed comparison between updatedb and a find command that does a seemingly similar task. compare.sh #!/usr/bin/env bash cmd="sudo updatedb" echo ...
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find with -execdir

I run a find with -execdir both I don't get the results I was expecting. SSCCE below: mkdir -p a/b/c find . -type d -execdir touch foo \; $ tree a a ├── b │   ├── c │   └── foo └── foo Directory c ...
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1answer
7k views

What's the {} in find /path/ -exec command '{}' do?

I'm curious as to what the {} in the following command is actually for? Example Command: find /foo/ -name "*.txt" -exec rm -v {} \; The Man page provided a small blurb but it confused me a little ...
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6answers
1k views

Best way run a command on each file in a directory tree

There appear be a number of ways to do this including loops in shell script, find and xargs. Which of these is best, and which is most portable?
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523 views

When does the empty string denote the current directory?

In a script I use find to collect some files in the current directory, as in $ find . -name "*.h" ./foo.h Now I'd like it to just output foo.h, without the ./ prefix. I thought that the empty ...
8
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3answers
13k views

How to return both file name and line number with find … -exec grep?

When using find, how do I return the file name and the line number when searching for a string? I manage to return the file name in one command and the line numbers with another one, but I can't seem ...
8
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6answers
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How to search for a word in entire content of a directory in linux

need to search for something in entire content I am trying: find . | xargs grep word I get error: xargs: unterminated quote How to achieve this?
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435 views

How does `find . -name *foo*` work?

I thought the wildcard * in the command find . -name *foo* is replaced by bash, and yet the command works unless *foo* matches something in the current directory, then it doesn't. It's confusing.
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3answers
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How to find multiple strings in files? [duplicate]

I use the following command to find files with a given string: find /var/www/http -type f | xargs grep -iR "STRING1" But how can I find files which include "STRING1" OR "STRING2" OR "STRING3"? ...
8
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4answers
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How to find a file in Linux with its path?

I am trying to find settings.xml file in my Ubuntu machine. I have no clue where it is, and which directory it is in. I tried using this - ls -R | grep settings.xml But it doesn't show me the ...
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2answers
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Deleting files by age

Is there a command to delete all the files in a directory that haven't been modified in N days? I need to clean up some old logs.
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Delete files of certain size range

I want to delete files which size is between certain values. For example I have the following list of files: -rw-r--r-- 1 smsc sys 558 Apr 30 13:07 stats.sfe.1.20120430130513.xml.Z -rw-r--r-- 1 smsc ...
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Make find show slash after directories?

How can I make the find command show a slash after directories? For example, I want dir to show up as dir/ instead of dir. I'm using find . -print
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Move all files with a certain extension from multiple subdirectories into one directory

Suppose I have a bunch of zip files in several directories: Fol1/Fol2 Fol3 Fol4/Fol5 And I want to move them all to a common base folder. How would I do this?
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How do I perform an action on all files with a specific extension in subfolders in an elegant way?

My current best bet is: for i in $(find . -name *.jpg); do echo $i; done Problem: does not handle spaces in filenames. Note: I would also love a graphical way of doing this, such as the "tree" ...
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5answers
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How to search for files with immutable attribute set?

For config auditing reasons, I want to be able to search my ext3 filesystem for files which have the immutable attribute set (via chattr +i). I can't find any options for find or similar that do ...
8
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2answers
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find usage with -L

I have link -> file I do find -L . -name 'link' And get ./link Why is that? man find says: -L : Follow symbolic links. When find examines or prints information about files, ...
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1answer
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list files by symlink target

How do I get list of files (and then do something with that list) by filtering through the symbolic link target name, and not the symlink name? For example from the following list I'm only interested ...
8
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2answers
4k views

How can you move (or copy) all files to a directory with the same filename prefix?

Using Bash So let's say I have a bunch of files randomly placed in a parent directory ~/src, I want to grab all the files matching a certain suffix and move (or copy) them to a ~/dist directory. ...
8
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3answers
14k views

find - exec rm vs -delete

I'm trying to understand the difference between these two commands: sudo find / -name .DS_Store -delete and sudo find / -name ".DS_Store" -exec rm {} \; I noticed that the execmethod is ...
8
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1answer
2k views

Got less output with print0 option on find?

I have read the man page and other references, but I am still confused by the behavior of find with -print0 option. -print0 This primary always evaluates to true. It prints the pathname of ...
8
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2answers
3k views

recursively change file permission but not directories?

I was doing a mass recursive change of permissions of some files that I had migrated to a unix system. I changed them to ug+rw, but then I found that I could not traverse subdirectories. I looked at ...
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2answers
395 views

break out of find if an -exec fails

Is there a way to write an find so that it breaks if one of the -exec operations fails on a file? E.g. (javac is conveniently used as a program that can return an exit code of 1 on some files and for ...
8
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3answers
2k views

Is it possible to nest a 'find -exec' within another 'find -exec'?

Something like the following is what I what I'm after, but my code doesn't work, no matter how I escape {} and + ; find ./ -maxdepth 1 -type d -name '.*' -exec \ find {} -maxdepth 1 -type f ...
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8answers
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Faster way to delete large number of files

I have a directory where lots of cached files are getting generated very quickly. Since these are very small files, it is consuming all my inodes very quickly. Currently I am running the following ...
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4answers
628 views

How can I find a file whose name includes a given string, such as “abcde”?

Within a set of directories, how do I find a file whose name includes a given string, such as "abcde"?