title: Find date: 2020-12-28 16:52:20 tags: - search - file - directory categories: - Linux Command intro: |
```shell script $ find [path...] [options] [expression]
Wildcard
```shell script
$ find . -name "*.txt"
$ find . -name "2020*.csv"
$ find . -name "json_*"
Option | Example | Description |
---|---|---|
-type |
find . -type d | Find only directories |
-name |
find . -type f -name "*.txt" | Find file by name |
-iname |
find . -type f -iname "hello" | Find file by name (case-insensitive) |
-size |
find . -size +1G | Find files larger than 1G |
-user |
find . -type d -user jack | Find jack's file |
-regex |
find /var -regex '.*/tmp/.*[0-9]*.file' | Using Regex with find. See regex |
-maxdepth |
find . -maxdepth 1 -name "a.txt" | In the current directory and subdirectories |
-mindepth |
find / -mindepth 3 -maxdepth 5 -name pass | Between sub-directory level 2 and 4 |
{.show-header}
-type d |
Directory |
-type f |
File |
-type l |
Symbolic link |
-type b |
Buffered block |
-type c |
Unbuffered character |
-type p |
Named pipe |
-type s |
Socket |
-size b |
512-byte blocks (default) |
-size c |
Bytes |
-size k |
Kilobytes |
-size M |
Megabytes |
-size G |
Gigabytes |
-size T |
Terabytes (only BSD) |
-size P |
Petabytes (only BSD) |
Find all bigger than 10MB files ```shell script $ find / -size +10M
Find all smaller than 10MB files
```shell script
$ find / -size -10M
````
Find all files that are exactly 10M
```shell script
$ find / -size 10M
Find Size between 100MB and 1GB ```shell script $ find / -size +100M -size -1G
The `+` and `-` prefixes signify greater than and less than, as usual.
### Names
Find files using name in current directory
```shell script
$ find . -name tecmint.txt
Find files under home directory
```shell script $ find /home -name tecmint.txt
Find files using name and ignoring case
```shell script
$ find /home -iname tecmint.txt
Find directories using name ```shell script $ find / -type d -name tecmint
Find php files using name
```shell script
$ find . -type f -name tecmint.php
Find all php files in directory ```shell script $ find . -type f -name "*.php"
### Permissions
Find the files whose permissions are 777.
```shell script
$ find . -type f -perm 0777 -print
Find the files without permission 777.
```shell script $ find / -type f ! -perm 777
Find SUID set files.
```shell script
$ find / -perm /u=s
Find SGID set files.
```shell script $ find / -perm /g=s
Find Read Only files.
```shell script
$ find / -perm /u=r
Find Executable files.
```shell script $ find / -perm /a=x
### Owners and Groups
Find single file based on user
```shell script
$ find / -user root -name tecmint.txt
Find all files based on user ```shell script $ find /home -user tecmint
Find all files based on group
```shell script
$ find /home -group developer
Find particular files of user ```shell script $ find /home -user tecmint -iname "*.txt"
### Multiple filenames
```shell script {.wrap}
$ find . -type f \( -name "*.sh" -o -name "*.txt" \)
Find files with .sh
and .txt
extensions
```shell script {.wrap} $ find /opt /usr /var -name foo.scala -type f
Find files with multiple dirs
### Empty
```shell script
$ find . -type d -empty
Delete all empty files in a directory ```shell script $ find . -type f -empty -delete
Find Date and Time
-------------
### Means {.col-span-2}
| Option | Description |
|---------|-----------------------------------------------------------------|
| `atime` | access time (last time file <yel>opened</yel>) |
| `mtime` | modified time (last time file <yel>contents was modified</yel>) |
| `ctime` | changed time (last time file <yel>inode was changed</yel>) |
#### Example
| Option | Description |
|-----------------|------------------------------------------------------------|
| `-mtime +0` | Modified greater than 24 hours ago |
| `-mtime 0` | Modified between now and 1 day ago |
| `-mtime -1` | Modified less than 1 day ago (same as `-mtime 0`) |
| `-mtime 1` | Modified between 24 and 48 hours ago |
| `-mtime +1` | Modified more than 48 hours ago |
| `-mtime +1w` | Last modified more than 1 week ago |
| `-atime 0` | Last accessed between now and 24 hours ago |
| `-atime +0` | Accessed more than 24 hours ago |
| `-atime 1` | Accessed between 24 and 48 hours ago |
| `-atime +1` | Accessed more than 48 hours ago |
| `-atime -1` | Accessed less than 24 hours ago (same as `-atime 0`) |
| `-ctime -6h30m` | File status changed within the last 6 hours and 30 minutes |
### Examples
Find last 50 days modified files
```shell script
$ find / -mtime 50
find last 50 days accessed files ```shell script $ find / -atime 50
find last 50-100 days modified files
```shell script
$ find / -mtime +50 –mtime -100
find changed files in last 1 hour ```shell script $ find / -cmin -60
find modified files in last 1 hour
```shell script
$ find / -mmin -60
find accessed files in last 1 hour ```shell script $ find / -amin -60
Find and {.cols-2}
--------
### Find and delete {.row-span-2}
Find and remove multiple files
```shell script
$ find . -type f -name "*.mp3" -exec rm -f {} \;
Find and remove single file
```shell script $ find . -type f -name "tecmint.txt" -exec rm -f {} \;
Find and delete 100mb files
```shell script
$ find / -type f -size +100m -exec rm -f {} \;
Find specific files and delete ```shell script $ find / -type f -name *.mp3 -size +10m -exec rm {} \;
### Find and replace
Find all files and modify the content `const` to `let`
```shell script {.wrap}
$ find ./ -type f -exec sed -i 's/const/let/g' {} \;
Find readable and writable files and modify the content old
to new
```shell script {.wrap} $ find ./ -type f -readable -writable -exec sed -i "s/old/new/g" {} \;
See also: [sed cheatsheet](/sed)
### Find and rename
Find and suffix (added `.bak`)
```shell script {.wrap}
$ find . -type f -name 'file*' -exec mv {} {}.bak\;
Find and rename extension (.html
=> .gohtml
)
```shell script {.wrap}
\( find ./ -depth -name "*.html" -exec sh -c 'mv "\)1" "${1%.html}.gohtml"' _ {} \;
### Find and move
```shell script
$ find . -name '*.mp3' -exec mv {} /tmp/music \;
Find and move it to a specific directory (/tmp/music
)
```shell script $ find . -name '2020.xml' -exec cp -r "{}" /tmp/backup \;
Find matching files and copy to a specific directory (`/tmp/backup`)
### Find and concatenate
Merge all csv files in the download directory into `merged.csv`
```shell script
$ find download -type f -iname '*.csv' | xargs cat > merged.csv
Merge all sorted csv files in the download directory into merged.csv
```shell script {.wrap} $ find download -type f -iname '*.csv' | sort | xargs cat > merged.csv
### Find and sort
Find and sort in ascending
```shell script
$ find . -type f | sort
find and sort descending
```shell script $ find . -type f | sort -r
### Find and chmod {.row-span-1}
Find files and set permissions to 644.
```shell script
$ find / -type f -perm 0777 -print -exec chmod 644 {} \;
Find directories and set permissions to 755.
```shell script $ find / -type d -perm 777 -print -exec chmod 755 {} \;
### Find and compress
Find all `.java` files and compress it into `java.tar`
```shell script
$ find . -type f -name "*.java" | xargs tar cvf java.tar
Find all .csv
files and compress it into quickref.zip
script
$ find . -type f -name "*.csv" | xargs zip quickref.zip