nl_command
stringlengths 14
387
| bash_code
stringlengths 0
532
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|---|---|
list all zero-length files under the current directory | find . -empty -exec ls {} \; |
find all the directories in the current folder which have been modified in 24 hours and move them to the folder /path/to/target-dir | find . -type d -mtime -0 -print0 | xargs -0 mv -t /path/to/target-dir |
find all the files in the entire file system whose size is exactly 15MB | find / -size 15M |
Search the current directory tree for directories that can be opened by noone | find -type d ! -perm -111 |
Set IFS variable to empty before reading a line of standard input without backslash escape characters | IFS= read -r line |
find all files and directories that have been modified in the last seven days | find . -mtime -7 |
Find broken links | find / -type l -print0 | xargs -0 file | grep broken |
display all regular/normal files in the current folder with the name dummy | find -type f -name dummy |
Write a random list of numbers to /tmp/lst and stdout. | seq 1 10 | sort -R | tee /tmp/lst |cat < < **...** |
Print the commands that would execute "myfile" on all .ogv files from the current directory tree | find ./ -name *.ogv -exec echo myfile {} \; |
Infinitely print "no" to the screen | yes no |
Search the file system for regular files whose names are shorter than 25 characters | find / -type f|egrep "/[^/]{0,24}$" |
Find files associated with an inode | find . -inum 968746 -print |
Find all *FooBar* files/directories under current directory and copy them to ~/foo/bar | find . -name "*FooBar*" -exec sh -c 'cp -- "$@" ~/foo/bar' sh {} + |
Recursively removes all files and folders like 'FILE-TO-FIND' from current folder. | find . -name "FILE-TO-FIND" -exec rm -rf {} + |
Find directories that are directly under /home/user/workspace directory and were modified more than 30 days ago and print a message saying that the directory wasn't modified during last 30 days | find /home/user/workspace -mindepth 1 -maxdepth 1 -type d -mtime +30 -execdir echo "It seems that {} wasn't modified during last 30 days" ';' |
print all PIDs of stopped processes | jobs -sl | awk '{print $2}' |
Find all *.java files under current directory and archive them to myfile.tar | find . -type f -name "*.java" | xargs tar rvf myfile.tar |
Find files in the "dir" directory tree whose names are 33 characters in length | find dir -name '?????????????????????????????????' |
Find every file under the directory /home owned by the user joe. | find /home -user joe |
find files in the current directory with pattern` '*.[ch]' which are contain ‘thing’ string and print file names | find . -name '*.[ch]' | xargs grep -l thing |
Delete all .svn files/directories under current directory | find . -name .svn |xargs rm -rf |
compresses all the files in the current folder with default depth | find . -depth -print | cpio -dump /backup |
Save the directory of the full path to the current script in variable "dir" | dir=$(dirname $(readlink /proc/$$/fd/255)) |
Find all *.rb files under current directory and change their mode to 600 | find . -name "*.rb" -type f -exec chmod 600 {} \; |
Remove files in current directory according to the filenames found in ~/clang+llvm-3.3/bin/ | find ~/clang+llvm-3.3/bin/ -type f -exec basename {} \; | xargs rm |
create directories foo and bar | mkdir foo bar |
Make 3 directories named "~/Labs/lab4a/folder" followed by the number 1, 2, or 3 | mkdir ~/Labs/lab4a/folder{1,2,3} |
Execute awk script "script.awk" with 2 arguments both "file.txt" and format the output as a table | awk -f script.awk file.txt{,} | column -t |
List all broken symlinks including cyclic links under current directory | find . -type l -exec test ! -e {} \; -printf '%Y %p\n' |
Find all files/directories under '/var/tmp' directory tree that belong to a user with user id 1000 | find /var/tmp -uid 1000 |
Calculate the md5 sum of all files in the current directory with the filename printed first | ls -p | grep -v / | xargs md5sum | awk '{print $2,$1}' |
Find all regular files starting from the current directory | find . -type f |
Prints full path to files in a current folder. | ls -d $PWD/* |
Find all regular files undee '/usr/bin' directoryt tree that are less than 50 bytes in size | find /usr/bin -type f -size -50c |
Find all files/directories with '.tar.gz' extension under $DIR/tmp/daily/ directory tree, sort them numerically and show the last 3 of them | find $DIR/tmp/daily/ -name '*.tar.gz' | sort -n | tail -3 |
Try to determine the type of contents in "myfile" located in user's home directory. | file ~/myfile |
change owner of the file my_test_expect.exp to user el | sudo chown el my_test_expect.exp //make el the owner. |
Get a list of directories owned by group ID 100 | find / -type d -gid 100 |
Add "prefix" to every non-blank line in "file.txt" | nl -s prefix file.txt | cut -c7- |
Prints day of first Tuesday in a month. | cal | awk 'NR>2{Sfields=7-NF; if {printf "%02d\n",$3;exit}}' |
Check if directory $some_dir is empty | find "`echo "$some_dir"`" -maxdepth 0 -empty |
Create a symolic link in "/usr/local/" to "/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl" | ln -s /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl /usr/local/ |
Count the number of lines in all files in the xargstest/ directory tree that match pattern 'file??' | find xargstest/ -name 'file??' | sort | xargs wc -l |
search for regular/normal file with the name "myfile" in the entire file system | find / -name myfile -type f -print |
Print A record for domain 'domain.' from 8.8.8.8 nameserver | dig @8.8.8.8 domain. a |
Find all files that are modified in last 3 days | find . -type f -mtime -3 |
Finds shell options with 'login' in name. | shopt | grep login |
find all the .jpg files in / and copy them to the current folder. | find / -type f -name *.jpg -exec cp {} . \; |
create a backup of all the files in the folder /tmp and display the taken for this operation | timex find /tmp -print|backup -ivqf/dev/null |
Display all lines containing UTRACE in the current kernel's compile-time config file. | grep UTRACE /boot/config-$ |
display all the files in the current folder which do not belong to any user | find . -nouser |
Force delete all the regular/normal files in the current folder and do not search in the sub folders (print0 is used to handle files which have newlines in their names or files with the name only as spaces ) | find . -maxdepth 1 -type f -print0 | xargs rm -f |
Create new crontab set including $job and only jobs from current crontab that don`t contain $command | cat <(fgrep -i -v "$command" <(crontab -l)) <(echo "$job") | crontab - |
find in the entire file system for the file mysql | sudo find / -name mysql -print |
Search the current directory tree for all files matching regular expression ".*\.rb$" | find . -regex ".*\\.rb$" |
Find all *.xml.bz2 files under current directory | find . -name \*.xml.bz2 |
Print $d if $d is empty | find "$d" -prune -empty |
Change to location of '$TARGET_FILE' file. | cd `dirname $TARGET_FILE` |
send GET request to "https://graph.facebook.com/me/feed" using URL-encoding "access_token=$" | curl -v --get --data-urlencode "access_token=$" https://graph.facebook.com/me/feed |
find regular files which modification time is 7 days ago | find . -mtime -7 -type f |
Find all files in the current directory tree with extension .html and replace all occurences of "php" with "html" inside them | find ./ -type f -name *".html" | xargs sed -i "s/php/html/g" |
find all the files in the file system which hae set uid enabled and save them to /root/suid.txt and those which have size greater than 100MB save them to /root/big.txt | find / \ , |
Read hexadecimal bytes from device "/dev/midi1" | od -vtx1 /dev/midi1 |
Fix files to default permissions 755 | find . -type d -exec chmod 755 {} \; |
Search case insensitively for 'foo' in all the files with '.java' extension under current directory tree and show only the file names | find . -type f -name "*.java" -exec grep -il 'foo' {} \; |
Find all directories in the current directory tree whose names do not contain '.' and move their contents to the current directory | find . -type d ! -iname '*.*' | while read d; do mv $d/* .; done |
Find all files under $dir directory | find "$dir" -type f |
Find files newer than `tmpfile' starting from the current directory | find . -newer tmpfile |
Locate symbolic links in /usr and below | find /usr -type l |
display all the files in the current folder which have been modified in the last 14*24 hours | find . -mtime -14 -print |
Send two ping requests to "www.google.com" | ping -c 2 www.google.com |
Recursively copy all files and folders in the current directory excluding "exclude_pattern" to "/to/where/" | rsync -r --verbose --exclude 'exclude_pattern' ./* /to/where/ |
display long listing of all the empty files in the current folder | find . -empty -exec ls -l {} \; |
returns the first 100 bytes in the file | head -c 100 file |
Find all files under current directory | find -type f |
Remove all files and directories called "test" from the current directory tree | find . -name test -exec rm -R "{}" \; |
Use 'top' to monitor process 'a.out' | top -b -p `pidof a.out` |
Append "foo" and "bar" column in file "file" with values dependent on the current table contents | awk 'NR==1 {print $0, "foo", "bar"; next} {print $0, ($2=="x"?"-":"x"), ($4=="x"?"-":"x")}' file | column -t |
Write the list of regular files in the current directory tree to files /tmp/grep1 and /tmp/grep2 | find ./ -type f | tee /tmp/grep1 /tmp/grep2 >/dev/null |
Find all files/directories in 1 level down the current directory | find -mindepth 1 -maxdepth 1 |
Print the contents of "$FILE" starting from line 2 | tail -n +2 "$FILE" |
List environment variables and their values, escaping all semicolons with a backslash. | env | sed 's/;/\\;/g' |
Find all .txt files in current directory and rename with .html . | find . -type f -name "*.txt" -exec mv {} `basename {} .html` .html \; |
Search directory foo for files containing "foo/bar" in their full names | find foo -path foo/bar -print |
Search the /tmp directory tree for files owned by user `ian' | find /tmp -user ian |
find all the files in the current folder that have been modified in the last 24*3 hours | find ./ -mtime -3 |
List all environment variables | set |
Read a single character from standard input with prompt "Is this a good question (y/n)?" and save the response to variable "answer" | read -n 1 -p "Is this a good question (y/n)? " answer |
Find files with 002 permission in entire file system and print them with the string 'has world write permissions' printed at last | echo $(find / -type f -perm -002) has world write permissions |
Find files with group write permission and remove the permission | find . -perm -20 -exec chmod g-w {} ; |
Find all regular files in the current directory tree ignoring directory ./source/script | find . -path ./source/script -prune -o -type f -print; |
Remove files named "core" from the /work directory tree and write their names to /dev/stderr (the standard error | find /work \ , \ |
Find all regular files under $DIR directory tree with ".$TYPE" extension (case insensitive) where $TYPE expands in the current shell | find $DIR -type f -iname "*.$TYPE" |
Print the IP addresses of the host name | hostname -I |
List each file or directory in the current directory prefixed with its filesize in MB and sorted from smallest to largest | du -smc * | sort -n |
Delete all hidden files under $some_directory | find "$some_directory" -type f -name '.*' -delete |
Find directories in the current directory tree that were modified within the last 24 hours and move them to /path/to/target-dir | find . -type d -mtime -0 -exec mv -t /path/to/target-dir {} + |
Delete all filename* files under /dir directory | find /dir -name "filename*" -type f -print | xargs rm |
Continuously answer "y" to any prompt from "mv ..." | yes | mv ... |
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