nl stringlengths 13 387 | bash stringlengths 1 532 |
|---|---|
Print numbers from 1 to 100 | seq 1 100 |
Print numbers from 1 to 30 with 0 padding to a width of 2 | seq -f "%02g" 30 |
Print numbers from 1 to 30 with a leading 0 | seq -w 30 |
Print numbers from 1 to 30 with equalized 0 padding | seq -w 30 |
Print numbers from 1 to the number in variable "$1" | seq $1 |
Print numbered list of all third-level files under the current directory | ls -d -1 $PWD/**/*/* | cat -n |
Print numbered list of all top-level files in the current directory, with name containing 'android' | ls | grep "android" | cat -n |
Print number of bytes in $file. | cat $file | wc -c |
Print the number of entries (files, directories, symlinks, etc.) in the subdirectories of the current directory, stopping search at any device mount points. | sudo find . -xdev -type f | cut -d "/" -f 2 | sort | uniq -c | sort -n |
Prints number of files with extension "${EXTENSION}" in the "${SEARCHPATH}" directory. | echo "Number files in SEARCH PATH with EXTENSION:" $(ls -1 "${SEARCHPATH}"/*."${EXTENSION}" | wc -l) |
Print the number of lines in file.txt. | wc -l file.txt | cut -f1 -d" " |
Print number of lines that equal in files '/home/xyz/a.csv1' and '/home/abc/tempfile' | comm -12 <(sort -u /home/xyz/a.csv1) <(sort -u /home/abc/tempfile) | wc -l |
Print the number of regular files found in the current directory tree | find . -type f | wc -l |
Print numerically sorted list of unique strings from 'ip_addresses' file, with number of occurrences of each string. | sort -n ip_addresses.txt | uniq -c |
Print only alphanumeric values from "/dev/urandom" | cat /dev/urandom | tr -dc 'a-zA-Z0-9' |
Print only common file names in sorted listings of directory 'dir1' and 'dir2' | comm -1 -2 <(ls /dir1 | sort) <(ls /dir2 | sort) |
Print only common strings in sorted content of files 'file1' and 'file2' | comm -1 -2 <(sort file1) <(sort file2) |
Print only digits in variable "$name" | echo $name | tr -c -d 0-9 |
Prints only first ten characters of each string of file $file. | cat $file | cut -c 1-10 |
Print only first line of 'file' content, formatted as 29-symbol wide column | cat file | fold -w29 | head -1 |
Print only first line of 'file' content, formatted as 29-symbol wide column, regarding space symbol as a word separator | cat file | fold -s -w29 | head -1 |
Print only group names from /etc/group. | cut -d: -f1 /etc/group |
Print onlt last slash-separated field from $PATH value | echo "$PATH" | rev | cut -d"/" -f1 | rev |
Print only the line "foo///" given two empty directories foo and bar | find foo/// bar/// -name foo -o -name 'bar?*' |
Print only lines from 'file1.txt' that not present in 'file2.txt' and beginning with 'Q' | cat file1.txt | grep -Fvf file2.txt | grep '^Q' |
Print only the number of lines in file "$f" | wc -l $f | tr -s ' ' | cut -d ' ' -f 1 |
Print only printable characters from "/dev/urandom" | cat /dev/urandom | tr -dC '[:graph:]' |
Print only second from the end field from slash-separated string in file 'datafile' | cat datafile | rev | cut -d '/' -f 2 | rev |
Print only strings from file 'file2' that not found in 'file1' | comm -1 -3 file1 file2 |
Print only unique lines in files 'set1' and 'set2' | cat set1 set2 | sort -u |
Print only unique lines of 'file_name' file | cat -n file_name | sort -uk2 | sort -nk1 | cut -f2- |
Prints out all the logged-in users along with their group information. | groups $(who | cut -d' ' -f 1) |
Print out the contents of all *.txt files in the home directory | find ~ -name '*.txt' -print0 | xargs -0 cat |
Print out the contents of all *.txt files in the home directory | find ~/ -name '*.txt' -exec cat {} ; |
Print out the full path name of "mypathname" with dots resolved | readlink -ev mypathname |
Print out the names and types of all files in the current directory tree | find . -printf "%y %p\n" |
Print the path composed of the current working directory and the directory containing "$0" | echo `pwd`/`dirname $0` |
Prints path location of $BASH_SOURCE file. | echo this dir: `dirname $BASH_SOURCE` |
Print the path names of all .png files in the /home/kibab directory tree | find /home/kibab -name '*.png' -exec echo '{}' ';' |
Print the path names of all files and directories in the current directory tree | find -printf '"%h/%f" ' |
Print the path names of all regular .rb files prefixing them with string "Hello, " | find . -name "*.rb" -type f | xargs -I {} echo Hello, {} ! |
Print the paths of the directories from the paths expanded by the glob pattern /path/to/directory/* | find /path/to/directory/* -maxdepth 0 -type d |
Prints path to folder that contains file "/path/to/vm.vmwarevm/vm.vmx". | dirname "/path/to/vm.vmwarevm/vm.vmx" |
Prints path to folder that contains file "/path/to/vm.vmwarevm/vm.vmx". | echo /path/to/vm.vmwarevm/vm.vmx | xargs dirname |
Prints path to the target of symbolic link 'relative/path/to/file' | dirname `readlink -e relative/path/to/file` |
Print the pathnames of all files from the /tmp/dir1 directory tree | find /tmp/dir1 -exec echo {} \; |
Print pathnames of all files in the current directory and below skipping directories named SCCS and files in them | find . -name SCCS -prune -o -print |
Print pathnames of all files in the current directory and below skipping files under SCCS directories | find . -print -name SCCS -prune |
Print the percentage of packets lost of the 5 packets sent to "$host" | ping -c 5 -q $host | grep -oP '\d+(?=% packet loss)' |
Print permissions of every directory in the current directory tree | tree -p -d |
Prints process tree for the current process with ASCII line drawing characters. | pstree -A -s $$ |
Prints process tree of a current process with id numbers and parent processes. | pstree -sp $$ |
Prints process tree of a process having id $ID with parent processes. | pstree -s $ID |
Prints process tree of the current command process. | pstree -p $$ |
Prints process tree of the current process with parent processes. | pstree -s $$ |
Prints process tree, showing only strings with 'MDSImporte', and chopping output after ${WIDTH} characters. | pstree | grep MDSImporte | cut -c 1-${WIDTH} |
Prints process tree with command line arguments and process id numbers. | pstree -apl |
Prints process tree with command line arguments of a process having id $PID. | pstree -a "$PID" |
Prints random line from file $FILE. | sort --random-sort $FILE | head -n 1 |
print readline bindings that use key code '\\e\\C-k' | bind -P | grep '\\e\\C-k' |
Print the real path of "$F" where each symbolic link component must exist | echo "$(dirname $(readlink -e $F))/$(basename $F)" |
Prints real path of the folder containing $0 file. | $(readlink -f $(dirname "$0")) |
Print received input to the terminal | tee |
Print relative path of device of disk with UUID "b928a862-6b3c-45a8-82fe-8f1db2863be3" | readlink /dev/disk/by-uuid/b928a862-6b3c-45a8-82fe-8f1db2863be3 |
Print reverse lookup for adress 127.0.0.1 | dig -x 127.0.0.1 |
Print reverse lookup for IP address 72.51.34.34 | dig -x 72.51.34.34 |
Print revesed second from the end dot-bounded field in $i value | j=`echo $i | rev | cut -d "." -f2`; |
Prints running process that has id 'pid' with command line arguments. | pstree -a pid |
Print second field from semicolon-seprated line $string. | echo $string | cut -d';' -f2 |
Print second field from semicolon-seprated line <line>. | echo "<line>" | cut -d ";" -f 2 |
Print second section of data coming from stdin where sections are separated by one or more whitespace. | tr -s ' ' | cut -d ' ' -f 2 |
Print second section of space-separated data from text file "a". | cut "-d " -f2 a |
Print the second space separated fields from standard input | tr -s ' ' | cut -d ' ' -f 2 |
Print sed commands that would replace all occurrences of 'previousword' with 'newword' in all regular files with '.cpp' extension under '/myprojects' directory tree | find /myprojects -type f -name '*.cpp' -print0 | xargs -0 echo sed -i 's/previousword/newword/g' |
Prints sequentially listing of a current folder and calendar of a current month. | echo `ls` "`cal`" |
Prints shell option 'globstar' with indication of its status. | shopt -p globstar |
Print short DNS lookup for each domain name in a file 'list' | dig +short -f list |
Print short TXT record of domain o-o.myaddr.l.google.com from nameserver 8.8.8.8 | dig TXT +short o-o.myaddr.l.google.com @8.8.8.8 |
Print short TXT record of domain o-o.myaddr.l.google.com from nameserver ns1.google.com | dig TXT +short o-o.myaddr.l.google.com @ns1.google.com |
Print the sizes and names of all TXT files from the current directory tree | find . -iname "*.txt" -exec du -b {} + |
Print the size for every *.ogg file found under the home directory | find $HOME -name '*.ogg' -type f -exec du -h '{}' \; |
Print the sizes of all files from the current directory tree | find . -iname '*.jpg' -type f -printf +%b |
Prints sorted list of logged in users. | w -h | cut -d' ' -f1 | sort | uniq |
Print sorted list of strings from 'ip_addresses' file, with number of occurrences of each string. | sort ip_addresses | uniq -c |
Print the sorted unique column of usernames of users who are currently logged in | finger | cut -d ' ' -f1 | sort -u |
Print the sorted unique column of usernames of users who are currently logged in without the header | finger | cut -d ' ' -f1 | sort -u | grep -iv login |
Print the sorted uniqe list of folders in compressed archive nginx-1.0.0.tar.gz | tar tf nginx-1.0.0.tar.gz | xargs dirname | sort | uniq |
Print source directory of bash script | dirname "$(readlink -f "$0")" |
Print source of the file system containing $path. | df -P $path | tail -1 | cut -d' ' -f 1 |
Print space separated list of numbers from "$start" to "$end" | echo `seq $start $end` |
Print space separated list of numbers from "$start" to "$end" | seq -s' ' $start $end |
Print space separated numbers from 1 to 10 | seq 10 | xargs echo |
Print standard input to standard output line by line, discarding any adjascent duplicate lines. | uniq |
Print summary of files present only in dir1. | diff -rq dir1 dir2 | grep 'Only in dir1/' |
Print summary of new/missing files, and which files differ between /path/to/folder1 and /path/to/folder2, sorted alphabetically. | diff -rq /path/to/folder1 /path/to/folder2 |
Print summary of new/missing files, and which files differ between dir1 and dir2. | diff --brief --recursive dir1/ dir2/ |
Print summary of new/missing files, and which files differ between dir1 and dir2. | diff -q dir1 dir2 |
Print summary of new/missing files, and which files differ between dir_one and dir_two, sorted alphabetically. | diff -qr dir_one dir_two | sort |
Print summary of new/missing files, and which files differ between folder1 and folder2. | diff -arq folder1 folder2 |
Print summary of new/missing files, and which files differ between folder1 and folder2, excluding those matching pattern "node_modules". | diff -rqyl folder1 folder2 --exclude=node_modules |
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