nl_command
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Find "*.dat" files recursively in the current directory, print the lines starting on line 5 to the console and save to "concat.txt" | find . -type f \( -name "*.dat" \) -exec tail -n+5 -q "$file" {} + |tee concat.txt |
display all directories in the current folder | find -type d |
Delete all files in the current directory. | find . -exec /bin/rm {} \; |
Pass a single argument containing a string of numbers from 1 to 100000 to "/bin/true" | /bin/true "$" |
find all the directories in current folder and do not search in sub directories and create the same directory structure in another folder | find . -maxdepth 1 -type d -print0 | |
Print line number of each line in /etc/passwd file, where current user name is found | cat /etc/passwd -n | grep `whoami` | cut -f1 |
Remount "/dev/shm" with a maximum size of "40G" | mount -o remount,size=40G /dev/shm |
Search the current directory tree for files whose names do not end in ".exe" and ".dll" | find . -not -name "*.exe" -not -name "*.dll" -type f |
delete all the empty files in the current directory | find . -empty -exec rm {}\; |
Create intermediate directories ~/foo/bar/ as required and directories baz, bif, bang | mkdir -p ~/foo/bar/baz ~/foo/bar/bif ~/foo/boo/bang |
Prints dates of $m month in $y year, preceded by month number and slash like ' 10/1'. | cal $m $y | sed -e '1,2d' -e 's/^/ /' -e "s/ \/ $m\/\1/g" |
Search the /home/bozo/projects directory tree for files modified within the last 24 hours | find /home/bozo/projects -mtime 1 |
Create directorie 'some/path' as required in the current directory | mkdir -p ./some/path |
Save the current date, system host name, and "$changes" with newlines removed to variable "subj" | subj="$ - $ - $" |
create directory public_html into home directory | mkdir ~/public_html |
find files in the current directory and sub-directories, that changed within last hour | find . -cmin -60 |
find all the files in the current folder which have been modified in the last 60 minutes, which are atleast 1 level deep and display a long listing of these files | find . -mindepth 1 -mmin -60 | xargs -r ls -ld |
Find files whose names match the pattern given by the 2nd argument $2 of the Bash script and replace string $3 with $4 in them | find ./ -type f -name "$2" -exec sed -i "s/$3/$4/g" {} \; |
Find files/directories under current directory that are modified exactly one hour ago | find . -mtime 1 |
Find all files/directories under current directory | find . |
display all the regular/normal files in the current folder which have been modified after a specific time stamp and do not search in the sub directories | find -maxdepth 1 -type f newermt "$timestamp"' |
change owner and group of the file it to user and group root | chown root:root it |
Write "[some repository]" to standard output and append to "/etc/apt/sources.list" as root | echo "[some repository]" | sudo tee -a /etc/apt/sources.list |
search for text files in the directory "/home/user1" and copy them to the directory /home/backup | find /home/user1 -name '*.txt' | xargs cp -av --target-directory=/home/backup/ --parents |
Number each line in "/etc/passwd" as right-justified zero padded to a width of 9 | nl -nrz -w9 /etc/passwd |
display all normal/regular files in current directory | find . -type f -print0 |
Find and remove multiple files such as *.mp3 or *.txt under current directory | find . -type f -name "*.mp3" -exec rm -f {} \; |
Recursively search for all files not ending in ".xml" under the current directory, append ".xml" to the end of each file name | find . -type f \! -name '*.xml' -print0 | xargs -0 rename 's/$/.xml/' |
Change directory to the download directory specified in the current user's user-dirs.dirs file | cd "$(grep DOWNLOAD $HOME/.config/user-dirs.dirs | cut -f 2 -d "=" | tr "\"" "\n")" |
search for the file test2 in the current folder | find -name test2 |
Numberically sort content of file 'files', using for sorting part of second one of dash separated fields beginning from second letter. | cat files | sort -t- -k2,2 -n |
Search for Subscription.java under current directory, and go to directory containing it. | cd "$(find . -name Subscription.java -printf '%h\n')" |
Creates temporary directory with name formatted like .daemonXXXXXXX in /tmp/ folder, and saves path to it in 'TMPDIR' variable. | TMPDIR=$ |
Change permissions of all directories residing under and below ./debian to 755 | find ./debian -type d | xargs chmod 755 |
Recursively finds all 'STATUS.txt' files containing text 'OPEN' and prints containing folder of them. | fgrep --include='STATUS.txt' -rl 'OPEN' | xargs -L 1 dirname |
sort and display the unique lines display the contents of all the files that have been modified in the last 91 days and not in the last 2 days | find . -name "*.txt" -type f -daystart -mtime -91 -mtime +2 | xargs cat | sort | uniq |
Print name of the file system containing $path. | df -h $path | cut -f 1 -d " " | tail -1 |
Find files in the current directory tree whose status was changed within the last 60 minutes | find . -cmin -60 |
Open "charm" executable file in vim | sudo vim `which charm` |
Find recursively all Emacs backup files in the current directory and remove them | find . -name '*~' | xargs rm |
Split "/tmp/files" into files of at most 1000 lines each | split /tmp/files |
set alias "X2" for command "| cut -d' ' -f2" | alias -g X2="| cut -d' ' -f2" |
Find user daniel's files of type jpeg | find . -user daniel -type f -name *.jpg |
Download "http://www.multitran.ru/c/m.exe?CL=1&s=hello&l1=1" and convert encoding to "windows-1251" and print only printable characters | curl 'http://www.multitran.ru/c/m.exe?CL=1&s=hello&l1=1' | iconv -f windows-1251 | tr -dc '[:print:]' |
Format the time string @133986838 according to the default time format and save it to variable 'VARIABLENAME' | VARIABLENAME=$ |
Find all files/directories under /path/to/dir/* paths and print the timestamp along with their paths and stat them | find /path/to/dir/* -printf "%T@|%p|%l" -exec stat -Lc "|%Y.0000000000" {} \; |
Revert $string value and print first 20 space-separated fields | echo $string | rev | cut -d ' ' -f -20 |
Saves list of logged in users in system together with 'USER' header in the 'a' variable. | a=`w|cut -d' ' -f1`; |
Find all files owned by user `comp' | find / -user comp |
Print working directory separated by newlines instead of forward slashes | pwd | tr '/' '\n' |
find all the directories with the name "some-dir" in the current folder and move them to another folder and do not search in subfolders | find ./ -maxdepth 1 -name "some-dir" -type d -print0 | xargs -0r mv -t x/ |
Counts the number of lines in each file but png|jpg|ico files in a git repository. | git ls-files | grep -vE "" | xargs wc -l |
print all filenames of files under current dir containing 'foo', case-insensitive | find . -type f -exec grep -il 'foo' {} \; |
find files which full path name like '*/*config' at current directory and print | find . -path '*/*config' |
Find all files/directories in entire file system for which owner has at least read/write permissions, or the group has at least read permission, or others have at least read permission | find / -perm /u+rw,g+r,o+r |
display all the normal/regular files in the current folder which are empty | find . -type f -empty |
Read a line from standard input with prompt "Enter your choice: " and save response to variable "choice" | read -p "Enter your choice: " choice |
Print the second space separated fields from standard input | tr -s ' ' | cut -d ' ' -f 2 |
Recursively changes group ownership of everything within a current directory to 'repogroup'. | chgrp -R repogroup . |
download a file "http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip" using cookies "oraclelicense=accept-securebackup-cookie" | curl -L -C - -b "oraclelicense=accept-securebackup-cookie" -O http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip |
Remove files under /mnt/zip matching "*prets copy" with confirmation | find /mnt/zip -name "*prefs copy" -print0 | xargs -0 -p /bin/rm |
Count the number of unique file extensions in the current directory tree | find . -type f | sed -e 's/.*\.//' | sed -e 's/.*\///' | sort | uniq -c | sort -rn |
Find recursively all regular files in the current directory skipping hidden files and directories matching pattern '.?*' | find -name '.?*' -prune -o \ |
Print true directory name of the current directory | readlink `pwd` |
Find all directories under minimum 2 levels down the mydir directory | find mydir -mindepth 2 -type d |
delete all the text files in the current folder. | find . -type f -name "*.txt" -exec rm -f {} \; |
Print content of each file under the current directory followed by that file name | find . -type f -exec cat {} \; -print |
Find all files/directories 1 level down the current directory that are enlisted in file 1 | comm -12 < < |
Display human-readable file type description of ascii.txt | file ascii.txt |
find all the files in the current folder which have executable permission to all the users and display the ten files | find . -perm /a=x | head |
Represent current date in RFC 3339 format with precision to seconds and save it to 'timestamp' variable | timestamp=`date --rfc-3339=seconds` |
Exit the shell immediately if an error is encountered | set -e |
Search the xargstest/ directory recursively for files matching pattern 'file??' | find xargstest/ -name 'file??' |
Print the /proc directory tree, ignoring the PID-process things | find /proc -type d | egrep -v '/proc/[0-9]*($|/)' | less |
Execute `echo' for each file found | find . | xargs -n 1 echo |
Create a symbolic link named ".profile" to "git-stuff/home/profile" without dereferencing ".profile" | ln -sn git-stuff/home/profile .profile |
find all the text files in the current folder starting with "somefiles-" | find . -name "somefiles-*-.txt" -type f |
Find all files/directories under current directory tree whose names start with 'test' followed by two digits and end with '.txt' extension | find . -regextype sed -regex "./test[0-9]\{2\}.txt" |
Find files in the current directory tree that match "pattern" and run "git diff" on them | find . -name "pattern" | xargs git diff -- |
Copy default SSH public key to "somehost" as user "myname" | ssh-copy-id myname@somehost |
Enables shell option 'nocaseglob'. | shopt -s nocaseglob |
Archive current directory to "/some/path" on localhost, using ssh to authentify as user "me", only update files that are newer in the source directory. | rsync -auve "ssh -p 2222" . me@localhost:/some/path |
Force create a hard link named '/home/user/Musik/youtube converted/aesthesys~ I Am Free, That Is Why I'"'"'m Lost..mp3' with target '/home/user/Musik/mix-2012-13/aesthesys~ I Am Free, That Is Why I'"'"'m Lost..mp3' | ln -f '/home/user/Musik/mix-2012-13/aesthesys~ I Am Free, That Is Why I'"'"'m Lost..mp3' '/home/user/Musik/youtube converted/aesthesys~ I Am Free, That Is Why I'"'"'m Lost..mp3' |
Compare sorted files 'f1.txt' and 'f2.txt' and print in three columns strings unique for first file, second file, and common ones | comm < < |
List all files/directories under current directory | find | perl -lne 'print quotemeta' | xargs ls -d |
display all the files in the current folder which have the word "bills" in their name | find . -name '*bills*' -print |
find all the html files in current folder and replace old string with new string | find . -name '*.html' -print0 | xargs -0 perl -pi -e 's/oldstring/newstring/g' |
Send SIGTERM signal to first process sent to background by the current shell. | kill %1 |
Reports time consumed by command 'sleep 1' to the file time.txt together, and saves command error output to sleep.stderr. | { time sleep 1 2> sleep.stderr ; } 2> time.txt |
Print out the contents of all *.txt files in the home directory | find ~ -name '*.txt' -print0 | xargs -0 cat |
Find all files/directories that were modified more than 2 days ago and redirect the list to ~/output.file | find . -mtime +2 | perl -pe 's{^}{\"};s{$}{\"}' > ~/output.file |
Get the sizes of all files under dir2 directory | find dir2 ! -type d |xargs wc -c |
Find all files in the current directory tree with size bigger than 5 MB and sort them by size | find ./ -size +5M -type f | xargs -r ls -Ssh |
Copy local file "file" via ssh to remote "host" path "/directory/" | rsync -e ssh file host:/directory/. |
Find all files recursively which end in ".php" | find . -name "*.php" -print |
find all the html files in the current folder | find . -name "*.html" |
find all the files in the folder /opt which have been modified between 20 to 50 days ago | find /opt -mtime +30 -mtime -50 |
Infinitely print "1" then "0" | yes 0 | sed '1~2s/0/1/' |
Print 'file' content, formatting output as 29-symbol wide column, regarding space symbol as a word separator | cat file | fold -s -w29 |
Search the .sh files in the current directory tree for string "ksh" | find . -name "*.sh" | xargs grep "ksh" |
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