Power Rangers: Find Force

imagen

Table of Contents

What is Find?

Find searches for files and directories based on name, type, size, time, permissions, owner, and more.

1find [path] [options] [expression]

Find by name

1find . -name "file.txt"

Case senstive

1find . -iname "file.txt"

Find by file type

1find . -type f    # files
2find . -type d    # directories
3find . -type l    # symlinks

Find in a specific directory

1find /var/log -name "*.log"

Limit search depth

1find . -maxdepth 1 -name "*.txt"

Find by size

1find . -size 10M     # exactly 10 MB
2find . -size +10M    # larger than 10 MB
3find . -size -10M    # smaller than 10 MB

Find by time

Modified time

1find . -mtime 7     # modified exactly 7 days ago
2find . -mtime -7    # modified within last 7 days
3find . -mtime +7    # older than 7 days

Access time

1find . -atime -1    # accessed today

Changed time

1find . -ctime -1

Find empty files and directories

1find . -empty

Find by permissions

1find . -perm 644

Executable files

1find . -perm /111

Find by owner

1find . -user root
2find . -group www-data

Combination Conditions

-and (default) -or ! (NOT)

AND

1find . -type f -and -name "*.txt"

OR

1find . -name "*.jpg" -or -name "*.png"

NOT

1find . ! -name "*.txt"

Actions with -exec

Delete files

1find . -name "*.tmp" -delete

or

1find . -name "*.tmp" -exec rm {} \;

Run commands on results

1find . -name "*.log" -exec ls -lh {} \;

Use + for better performance

1find . -name "*.jpg" -exec rm {} +

Advance Usage

Find and pipe safely with space

1find . -name "*.jpg" -print0 | xargs -0 rm

Find large files (top space users)

1find / -type f -size +100M 2>/dev/null

Find files modified in last 10 minutes

1find . -mmin -10

Find files and copy them

1find . -name "*.conf" -exec cp {} /backup/ \;

Find duplicate filenames

1find . -type f -printf "%f\n" | sort | uniq -d

1find . -xtype l

Exclude directories

1find . -path "./node_modules" -prune -o -name "*.js" -print

Find large log files older than 30 days and delete

1find /var/log -type f -name "*.log" -size +100M -mtime +30 -delete