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Archive "user@host1:/directory/" to "user@host2:/directory2/" via ssh and compressing data during transmission | rsync -azvu -e ssh user@host1:/directory/ user@host2:/directory2/ |
Removes all empty folders under path '/thepath', printing info message on each operation. | find /thepath -type d -empty -print0 | xargs -0 rmdir -v |
Rename "file001abc.txt" to "abc1.txt" | mv file001abc.txt abc1.txt |
Find all directories matching the regex '.texturedata' in their names under '/path/to/look/in/' directory tree | find /path/to/look/in/ -type d | grep .texturedata |
Recursively remove all "*.txt" files and answer "y" to any prompt | yes | rm -r *.txt |
Enables shell option 'nocaseglob'. | shopt -s nocaseglob |
Open a ssh connection to "user@host" with a control socket "/tmp/%r@%h:%p" | ssh user@host -S /tmp/%r@%h:%p |
find all directories in the current folder and do not search in sub directories | find . -type d -maxdepth 1 |
Search the home directory tree for video files | find ~ -type f -regex '.*\.\' |
returns a list of files modification newer than poop | find . -mnewer poop |
find all the ".JPG" files in current folder and display their count | find ./ -name '*.JPG' -type f | wc -l |
extract "backup.tar.gz" with verbose output | tar -xzvf backup.tar.gz |
Remove all .txt files from the /full/path/dir directory tree | find /full/path/dir -name '*.txt' -print0 | xargs -0 rm |
Print /some/dir/ if it's empty | find /some/dir/ -maxdepth 0 -empty |
Sets shell option 'nullglob'. | shopt -s nullglob |
find all the perl files in /var/www ( case insensitive search ) | find /var/www/ -type f -iname "*.pl" -print |
search for the pattern "tgt/etc/file1" in the files tgt/etc/file2, tgt/etc/file3 | find . -type f -name \* | grep tgt/etc/file1 tgt/etc/file2 tgt/etc/file3 |
Find all files named "file.ext" within the current folder and print the path where each one is located | find `pwd` -name "file.ext" -exec echo $ \; |
Make "file.sh" executable | chmod +x file.sh |
Find all the files whose name is tecmint.txt in the current directory | find . -name tecmint.txt |
Exclude directory from find . command | find -iname example.com | grep -v beta |
display all files in a folder | find "/proc/$pid/fd" |
Find movies over a gigabyte in size | find ~/Movies/ -size +1024M |
Split "file.txt" into files of at most 1 MiB in size with a numeric suffix, prefix "file", and additional suffix ".txt" | split -b 1M -d file.txt file --additional-suffix=.txt |
find all the hidden files in the temp folder | find /tmp -type f -name ".*" |
Find all files/directories named 'openssl' under current directory tree without printing 'Permission denied' error messages | find . -name "openssl" | sed '/Permission denied/d;' |
Remove all files with names like "vmware-*.log" from the current directory tree | find . -name vmware-*.log | xargs -i rm -rf {} |
Print the directory of the full path to the current script | echo $(dirname $(readlink -m $BASH_SOURCE)) |
Find all pdf files in current directory and grep with the regex expanded by "$1" in the converted text output and print the paths to the matching files | find . -name '*.pdf' -exec sh -c 'pdftotext "{}" - | grep --with-filename --label="{}" --color "$1"' -- "$1" \; |
Remove trailing white spaces from all files under current directory ignoring .git and .svn directories | find . -not \( -name .svn -prune -o -name .git -prune \) -type f -print0 | xargs -0 sed -i '' -E "s/[[:space:]]*$//" |
Find all files on the system whose names are 'composer.json' | find / -name composer.json |
Find all regular files under ${path} without following symlinks | find ${path} -P -type f |
display a long listing of all the "Trash" files in the folder /home | find /home -name Trash -exec ls -al {} \; |
Remove all *.mp3 files in tmp directory but not in it's subdirectories | find tmp -maxdepth 1 -name *.mp3 -print0 | xargs -0 rm |
Stores system load average number in the 'proc_load_average' variable. | proc_load_average=$ |
Parse output from "script.sh" in the current directory which is expected to generate "variable: value" formatted data, and add the resulting variables to the current shell's environment. | source <(./script.sh | sed -rn '/volume/{s#/dev/[[:space:]]+#\1=#;p}') |
Recursively change ownership of "/usr/local" to the current user | sudo chown -R `whoami` /usr/local |
Read the first 10 characters from standard input in an interactive shell into variable "VAR" | read -n10 -e VAR |
List files in directory "one" and "two" that do not exist in the other | sort < < | uniq -u |
Recursively finds string with text "foo" in all files of a current folder. | find ./ -type f | xargs grep "foo" |
Find files with 777 permissions and change them to 755 | find / -type f -perm 0777 -print -exec chmod 755 {} \; |
Find all symlinks in the /myfiles directory tree | find /myfiles -type l |
List all .jpg files in the home directory tree | find . -name "*.jpg" -print0 | xargs -0 ls |
delete all the log files in the current folder | find -name '*.log' -delete |
Find the passwd file under the root directory and two levels down | find / -maxdepth 3 -name passwd |
find all the files in the current folder which end with .o or with the name a.out and display them. | find . -print |
Print contents of "file" as space separated hexadecimal bytes on a single line | xxd -p file | tr -d '\n' |
list the regular files in your home directory that were modified yesterday | find ~/ -daystart -type f -mtime 1 |
Print the full path of command "gcc" | which gcc |
Non-recursively finds all '*.pdf' files in a current folder and removes them. | find -maxdepth 1 -name '*.pdf' -exec rm "{}" \; |
Find all the .mp3 files in the music folder recursively and pass them to the ls command | find ./music -name "*.mp3" -print0 | xargs -0 ls |
Finds all files having text "texthere" recursively in a current folder, and precedes found string with string number in file and file name. | find -type f -exec grep -Hn "texthere" {} + |
Find all directories under foldername directory and set their permission to 755 | sudo find foldername -type d -exec chmod 755 {} ";" |
delete all the regular files in the temp folder which have not been modified in the last 24 hours + at the end gives bulk input to the rm command | find /tmp/ -type f -mtime +1 -exec rm {} + |
Find all $2 files in $1 path and search for the regex expanded by $3 in those files | find $1 -name "$2" -exec grep -Hn "$3" {} \; |
create symbolic links in directory "/your/dest/dir/" to all files located in "/your/source/dir/" and have filename extension "txt.mrg" | find /your/source/dir/ -iname '*.txt.mrg' -exec ln -s '{}' /your/dest/dir/ \; |
find the regular js files which path does not contains '*/test/*' and name does not contains '*-min-*' or '*console*' | find . ! -path "*/test/*" -type f -name "*.js" ! -name "*-min-*" ! -name "*console*" |
Archive "/path/to/copy" to "/path/to/local/storage" on host "host.remoted.from" as user "user" updating files with different checksums, showing human readable progress and statistics, and compressing data during transmission | rsync -chavzP --stats /path/to/copy [email protected]:/path/to/local/storage |
Change the owner of all files in the directory tree "dir_to_start" excluding directory "dir_to_exclude" to "owner" | find dir_to_start -name dir_to_exclude -prune -o -print0 | xargs -0 chown owner |
find all files and directories under the current directory and display the blocksize and the quoted filename, using the stat command | find . -type f -exec stat -c "%s %N" {} \; |
Remove empty directories | find -type d -exec rmdir --ignore-fail-on-non-empty {} + ; |
Print unique lines in "file_a" and "file_b" | sort file_a file_b|uniq -u |
Prints random line from file $FILE. | sort --random-sort $FILE | head -n 1 |
Search for case insensitive pattern 'search for me' in all files that match the name pattern '*.[!r]*' under current directory tree | find . -name "*.[!r]*" -exec grep -i -l "search for me" {} \; |
Print DISPLAY of "orschiro" user | who | awk -F '[()]' '/orschiro/{print $(NF-1)}' | grep -v orschiro | uniq |
Find all files in the current directory tree that were last changed $minutes minutes ago | find . -cmin $minutes -print |
Find all files with the name "MyProgram.c" in the current directory and all of it's sub-directories. | find -name "MyCProgram.c" |
Find all files under current directory that were modified less than 1 day ago | find -mtime -1 |
Create a full path symbolic link "$newlink" from a relative path symbolic link "$origlink" | ln -s $(readlink -f $origlink) $newlink |
Report all C language source code files under the current directory | find . -name \*.c -print |
Print numbers from 1 to the number in variable "$1" | seq $1 |
Prints a random number between 2000 and 65000 | head -200 /dev/urandom |cksum | cut -f1 -d " " | awk '{print $1%63000+2001}' |
Recursively removes all files and folders named '.svn' in a current folder. | find . -name .svn -exec rm -rf {} + |
Unsets all environment variables with 'G4' in name. | unset $ |
find all the files in the directory which is pointed by $1 variable ending with the name held in the variable $2 or having the extension of value saved in the argument $2. | find $1 \( -name "*$2" -o -name ".*$2" \) -print |
display all the html files in the current folder that have been modified in the last 7*24 hours | find . -mtime -7 -name "*.html" -print |
display the contents of all the files in the current folder which start with test | find . -iname '*test*' -exec cat {} \; |
Copy "6.3.3/6.3.3/macosx/bin/mybinary" to "~/work/binaries/macosx/6.3.3/" and create directory "~/work/binaries/macosx/6.3.3/" if "~/work/binaries/macosx/" exists | rsync 6.3.3/6.3.3/macosx/bin/mybinary ~/work/binaries/macosx/6.3.3/ |
Display all environment variables, functions, and aliases, pausing for user interaction after each page of output. | set | more |
Create a symbolic link named "${DESTINATION}${file}" to "${TARGET}${file}" | ln -s "${TARGET}${file}" "${DESTINATION}${file}" |
Remove all directories called "test" from the current directory tree | find . -name test -type d -print0|xargs -0 rm -r -- |
list all files under the current directory, writing the output to the file some_file, suppressing all error messages | find . 2>/dev/null > some_file |
Prints logged in users in sorted order. | w | sort |
Find all files starting from the current directory which are smaller than 100MB | find . -size -100M |
Find all files/directories that are not newer than Jul 01 by modification time | find /file/path ! -newermt "Jul 01" |
Show the current UTC date in '%Y-%m-%dT%k:%M:%S%z' format | date -u '+%Y-%m-%dT%k:%M:%S%z' |
Make directory "~/practice" | mkdir ~/practice |
Remove all files from the system whose path names contain "GUI" | find / -type f -print0 | xargs -0 grep -liwZ GUI | xargs -0 rm -f |
Print 'This should print the filename twice if an implicit -print is applied: ' appended with file paths for all files named 'file' under current directory tree | find -name file -exec echo 'This should print the filename twice if an implicit -print is applied: ' {} + |
Copy all regular files whose names end in "~" from the /path directory tree to ~/backups/ | find /path -type f -name '*~' -print0 | xargs -0 -I % cp -a % ~/backups |
find all the text files in the current folder and do not search in somedir, bin directories | find . \ , \ -o \ |
Gets list of IP addresses of all network interfaces. | ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p' |
List all files in current directory whose name or file type description contains the word "ASCII". | file * | grep ASCII |
Write output of "command" to standard output and append to "/path/to/logfile" | command | tee -a /path/to/logfile |
Find all files/directories under '/directory_path' directory tree that have been modified within the last day | find /directory_path -mtime -1 -print |
Find directory "your/dir" if it is empty | find your/dir -prune -empty |
Unsets random one from first four array members. | unset array[$RANDOM%4] |
search for a pattern in all the python files in the current folder. and save the output to output.txt file | find . -name '*.py' -exec grep 'something' {} \; > output.txt |
Print current shell settings | set -o |
Removes all files from current folder but 5 newest ones. | ls -tr | head -n -5 | xargs rm |
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