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Show the mv commands that would rename the *.so files in the current directory tree prepending their names with "lib" | find . -name "*.so" -printf "mv '%h/%f' '%h/lib%f'\n" | less -S |
Find all directories under and below parent_directory | find parent_directory -type d |
Execute awk command '{ ...}' on compressed file "FILE" | zcat FILE | awk '{ ...}' |
Find all files under $1, calculate their md5sum and redirect the result to checksums.md5 | find "$1" -type f -print0 | parallel -0 -X md5 > checksums.md5 |
Find all .rb files owned by root in the /apps/ folder and below that have been accessed in the last two minutes. | find /apps/ -user root -type f -amin -2 -name *.rb |
Saves 'ls' output together with time report to a file 'time.txt'. | { time ls; } 2>&1 | cat > time.txt |
Find all the files without permission 777 | find / -type f ! -perm 777 |
Find & Write Changes to a File and Print the Changes Using sed s//gpw | find . -type f -name "*.txt" -exec sed -n 's/Linux/Linux-Unix/gpw output' thegeekstuff.txt |
Find all *.c files under and below the current directory that contain "wait_event_interruptible" | find . -name \*.c -exec grep wait_event_interruptible {} + |
display all the files in the folder /etc /srv excluding those that are present in the path of ./srv/tftp/pxelinux.cfg* and /etc/mtab | find /etc /srv \! -path "./srv/tftp/pxelinux.cfg*" -a \! -name /etc/mtab |
Find all directories under current directory having DIRNAME in their name | find . -type d | grep DIRNAME |
Run the file command on every regular file under current directory | find . -type f -exec file '{}' \; |
List files in the current directory and below | find -ls |
Write output of "command" to standard output and to "/path/to/logfile" | command | tee /path/to/logfile |
Find deb packages in the current directory recursively and list them with `dpkg' | find . -type f -and -iname "*.deb" | xargs -n 1 dpkg -I |
Print history with the first field removed | history | awk '{sub($1, ""); sub(/^[ \t]+/, ""); print}' |
Search the current directory recursively for *.txt files with lines that match regular expression "^string" | find . -name "*.txt" -exec egrep -l '^string' {} \; |
Show the last 10 .conf files found by `find' in the /etc directory and 1 level below | find /etc -maxdepth 2 -name "*.conf" | tail |
Find all files/directories under whatever and ... directory and copy them to /var/tmp | find whatever ... | xargs -d "\n" cp -t /var/tmp |
Search the current directory tree for files containing "needle" in their names | find . -iname "*needle*" |
find all the files ending with "~" in current folder and move them to temp folder | find -name '*~' -print0 | xargs -0 -I _ mv _ /tmp/ |
create a compressed archive "compressFileName.tar.gz" with verbose output | tar -zcvf compressFileName.tar.gz folderToCompress |
Recursively change ownership of "~/.npm" to the current user | sudo chown -R $ ~/.npm |
Find all *.txt files/directories in entire file system | find / -name "*.txt" |
FInd files in current directory and grep text and html files - but not index.html and report things that contain the word 'elevator' in four or more lines | find . -type f -print0 | egrep -iazZ '$' | grep -vazZ 'index.html' | xargs -n 1 -0 grep -c -Hi elevator | egrep -v ':[0123]$' |
search for dbmsspool.sql file in the current folder | find . -print|grep ?i dbmspool.sql |
Set trace prompt to print seconds, nnoseconds, script name, and line number | PS4='+$ %N:%i> ' |
display all the files in the current folder which have the permissions 777 and which have been modified in the last 24 hours. | find . -perm 777 -a -mtime 0 -a -print |
Lists all subdirectories in a current folder, removing trailing slash. | ls -d */|sed 's|[/]||g' |
List files larger than 10MB under /var/log | find /var/log -size +10M -ls |
Test if a file named 'file' in the current directory is more than 1 hour old | find file -prune -cmin +60 -print | grep -q . |
List all .jpg files in the home directory tree in a fast way | find . -name "*.jpg" -exec ls {} + |
Prints path to folder that contains target of the symbolic link ../../../../etc/passwd. | $(dirname $(readlink -e ../../../../etc/passwd)) |
Search the /usr/bin directory tree for regular files modified or created less than 10 days ago | find /usr/bin -type f -mtime -10 |
Check if /path/to/file exists and has a size greater than 25600KB | [[ $ ]] && echo true || echo false |
Searches through the htdocs and cgi-bin directories for files that end with the extension .cgi. When these files are found, their permission is changed to mode 755 . | find htdocs cgi-bin -name "*.cgi" -type f -exec chmod 755 {} \; |
Output "testFile.txt.1" without the ".1" suffix. | basename testFile.txt.1 .1 |
Print common lines in files "set1" and "set2" | comm -12 <(sort set1) <(sort set2) |
Use the first non-zero exit code of a set of piped commands as the exit code of the full set of commands | set -o pipefail |
Executes 'sleep 10' in a subshell created by a pipeline of built-in function 'true'. | true | sleep 10 |
Print 10 "#" characters in a row | yes '#' | head -n 10 | tr -d '\n' |
Find all directories that start with stat | find . -type d –iname stat* |
Search for 'birthday' (case insensitive) in all regular files under ~/Documents directory tree and show only the filenames | find ~/Documents -type f -print0 | xargs -0 grep -il birthday |
Wrap each line in "longline" to a maximum of 30 characters breaking at spaces | fold -w30 -s longline |
Find all 664 permission files/drectories under current directory tree | find . -perm -664 |
Find all files under current directory and set read-write permission for owner, read permission for group and other for those directories | find . -type f -exec chmod u=rw,g=r,o=r {} \; - that's 644 |
List all files and sub directories including hidden files in the current directory tree | tree -af |
display all files in the current directory excluding those that are present in the directories whose name starts with "efence" and do not search in the sub directories | find * -maxdepth 0 -name "efence*" -prune -o -print |
Remove symbolic links and get absolute path of "${the_stuff_you_test}" and save to variable "DIR_PATH" | DIR_PATH=`readlink -f "${the_stuff_you_test}"` |
Find all directories under $ROOT_DIR and show the sub-directories of the directories before the directories themselves | find $ROOT_DIR -type d -depth -print |
Remount subtree "/outside" to "/inside" as a bind | mount /outside /inside -o bind |
Save the numerically greater value of "$kf" and "$mp" into variable "gv" | gv=$(echo -e $kf'\n'$mp | sort -t'.' -g | tail -n 1) |
Find all directories under /home/username/public_html/sites/default/files and set their permission to 770 | find /home/username/public_html/sites/default/files -type d -exec chmod 770 {} + |
If first command fails, exits from script with exit code of failed command. | echo $[4/0] || exit $? |
Gets MAC address of eth0 network interface. | ifconfig eth0 | grep -Eoi [:0-9A-F:]{2}\(\:[:0-9A-F:]{2}\){5} |
Print content of '1' file | $ cat 1 |
find all regular/normal files in the current folder and display them in the a format. | find -type f -exec perl -e 'printf qq[%s => %s\n], scalar @ARGV, length join q[ ], @ARGV' {} + |
Find all regular files under current directory tree without descending into './dir1' and './dir2' directories | find . \ -prune -or -type f -print |
Append the parent directory name with a space in all 'text.txt' files in all sub directories of current directory | find . -name text.txt | sed 's|.*/\/.*|sed -i "s@^@\1 @" & |' | sh |
Find all regular files under current directory tree containing 'some text' in their names without descending into hidden directories and excluding hidden files | find . -type d -path '*/\.*' -prune -o -not -name '.*' -type f -name '*some text*' -print |
display all normal/regular files in current folder | find . -type f |
Find all files/directories named 'file' without descending into directories with the same name under current directory tree | find -name file -prune |
Print a welcome message with the current user's user name | echo "Welcome `whoami`!" |
Print all the file/directory paths under current directory | find | xargs |
search for files cart1 or cart2 or cart3 or ...cart6 in the folder junk which is in home folder and display all its details. Discard all the errors and do not display them. | find ~/junk -name 'cart[1-6]' -exec ls -l {} \; 2> /dev/null |
Identify CMS version/releases accross all your Drupal websites | find /home/*/public_html/ -type f -iwholename "*/modules/system/system.info" -exec grep -H "version = \"" {} \; |
List all files in a current folder, separating names with semicolon | ls -m | tr -d ' ' | tr ',' ';' |
Print the list of files in the current directory tree skipping SVN files | find . -path '*/.svn*' -prune -o -print |
show all directories in the current folder excluding those that are present in the sub directories of media, images and backups | find . -type d \ -prune -o -print |
Find all 50MB files in file system | find / -size 50M |
search for all the mp3 files in the file system and move them to the folder /mnt/mp3 | find / -iname "*.mp3" -exec mv {} /mnt/mp3 \; |
Print a list of all files and directories in the /var/log directory tree | find /var/log/ |
Search for files which have read and write permission for their owner, and group, but which other users can read but not write to. | find . -perm 664 |
Finds strings like "texthere" recursively in all files of a current folder regarding all symlinks. | grep -R "texthere" * |
List all files in the current directory tree that were modified 60 minutes ago | find . -mmin 60 | xargs '-rd\n' ls -l |
find all the files in the file system which are bigger than 3 bytes | find / -size +3 -print |
Find all of the distinct file extensions in current directory | find . -type f | perl -ne 'print $1 if m/\.$/' | sort -u; |
Find all *.dbf files/directories in entire file system and print their sorted and unique parent directory paths | find / -name \*.dbf -print0 | xargs -0 -n1 dirname | sort | uniq |
display a list of all files in the folder passed as argument to a script | find $@ -ls |
display all the regular files in current folder | find . -type f |
Display difference between one.txt and two.txt side-by-side. | diff -y one.txt two.txt |
Set variable value to current kernel release name. | value=$(uname -r) |
Search for 'example' in all regular files from the current directory | find -maxdepth 1 -type f | xargs grep -F 'example' |
Print git branch currently checked out in a working directory. | git status --branch --porcelain | grep '##' | cut -c 4- | cut -d'.' -f1 |
Find files that were modified more than 7 days ago and archive them | find . -type f -mtime +7 | xargs tar -cvf `date '+%d%m%Y'_archive.tar` |
Count the number of files in the /usr/ports directory tree whose names begin with 'pkg-plist' and which contain 'dirrmtry' | find /usr/ports/ -name pkg-plist\* -exec grep dirrmtry '{}' '+' | wc -l |
Kill screen session 23536 | screen -S 23536 -X quit |
Find all files named 'aaa.txt' under current directory tree and display their contents | cat `find . -name aaa.txt` |
Create thumbnails from the first page of each PDF files under /path/to/dir | find /path/to/dir -name '*.pdf' -exec convert -thumbnail x80 {}[0] {}-thumb.png \; |
display all the files in the current folder excluding the files with the name mmm | find . -name mmm -prune -o -print |
Search for files bigger than 10M | find ~ -size +10M |
Print out all .pdf files from the current directory tree as plain text on the standard output | find . -name '*.pdf' -print0 | xargs -0 -n1 -I '{}' pdftotext '{}' - |
Print and save the ping results of 25 requests to "google.com" in "/home/user/myLogFile.log" containing at most 100000 bytes | ping -c 25 google.com | tee >(split -d -b 100000 - /home/user/myLogFile.log) |
Enables shell option 'promptvars'. | shopt -s promptvars |
Add "prefix_" to every non-blank line in "a.txt" | nl -s "prefix_" a.txt | cut -c7- |
Compress "archive.tar" | gzip archive.tar |
Remove trailing spaces from all files under current directory | find . -type f -print0 | xargs -0 perl -pi -e 's/ +$//' |
Print each line in "file1.txt" that is not found in "file2.txt" | sort file1.txt file2.txt file2.txt | uniq -u |
Search for all non-hidden files | find . -name '*' |
Search level 3 of the current directory tree for the directories whose pathnames contain "New Parts" | find -mindepth 3 -maxdepth 3 -type d | grep "New Parts" |
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