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Commands using echo from sorted by
Terminal - Commands using echo - 1,221 results
ram() { mt=/mnt/ram && grep "$mt" < /proc/mts > /dev/null; if [ $? -eq 0 ] ; then read -p"Enter to Remove Ram Partition ";sudo umount "$mt" && echo $mt 0; else sudo mt -t tmpfs tmpfs "$mt" -o size=$(( ${1:-1} * 1024 ))m && echo $mt '-' "${1:-1}"gb; fi; }
2013-12-13 05:22:02
User: snipertyler
Functions: echo grep mt read sudo umount
Tags: sudo ram tmpfs
2
Up
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Toggle a temporary ram partition

Creates a temporary ram partition

To use:

ram 3

to make a 3gb partition (Defaults to 1gb)

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for fn in *.epub; do echo mv \"$fn\" \"`echo "$fn" | sed -E 's/\.*\/*(.*)( - )(.*)(\.[^\.]+)$/\3\2\1\4/' | sed -E 's/(.*) ([^ ]+)( - )(.*)/\2, \1\3\4/' `\";done | sh
2013-11-30 05:29:52
User: woohoo
Functions: echo mv sed
0
Up
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one liner to rename files with for and sed

If you want to test output, run it like this:

for fn in *.epub; do echo mv \"$fn\" \"`echo "$fn" | sed -E 's/\.*\/*(.*)( - )(.*)(\.[^\.]+)$/\3\2\1\4/' | sed -E 's/(.*) ([^ ]+)( - )(.*)/\2, \1\3\4/' `\";done > rename.txt

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for i in */; do echo run_command "${i}"; done
2013-11-25 18:33:26
User: mirams
Functions: echo
Tags: bash subfolders run
0
Up
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Run a command in every (direct) sub-folder

Change the "run_command" to whatever command you want, and remove the "echo" to run it once you are happy.

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echo "Hello WOrld"
2013-11-24 10:26:50
User: Abhay_k
Functions: echo
Tags: echo
0
Up
Down
To display the message

This will display --> Hello World

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for file in $(git ls-files | grep old_name_pattern); do git mv $file $(echo $file | sed -e 's/old_name_pattern/new_name_pattern/'); done
2013-11-19 18:33:23
User: lpalgarvio
Functions: echo file grep mv sed
Tags: git mv rename
0
Up
Down
Mass rename files in git

Taken from http://stackoverflow.com/questions/9984722/git-rename-many-files-and-folders

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nc -kl 5432 -c 'echo -e "HTTP/1.1 200 OK\r\n$(date)\r\n\r\n";echo "<p>How are you today?</p>"'
2013-11-12 14:00:11
User: gvitalie
Functions: echo
Tags: bash Linux netcat nc web server
-1
Up
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One command line web server on port 80 using nc (netcat)

-k, --keep-open will keep connection alive, and we could exclude using 'while true'

nc is such a powerful command, it could be used instead of any OS! :p

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nc -kl 5432 -c 'echo -e "HTTP/1.1 200 OK\r\n$(date)\r\n\r\n";echo "<p>How are you today?</p>"'
2013-11-12 13:43:38
User: gvitalie
Functions: echo
0
Up
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One line web server (working with any web browser)

nc is such a powerful command, it could be used instead of any OS! :p

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(echo >/dev/tcp/localhost/25) &>/dev/null && echo "TCP port 25 open" || echo "TCP port 25 close"
2013-11-12 02:11:01
User: YouM
Functions: echo
Tags: Network open socket port open/close
0
Up
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Check if TCP port 25 is open

Check trough unix sockets if tcp port is open or close

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echo $(curl http://ipecho.net/plain 2> /dev/null)
2013-11-08 17:55:48
User: razerwolf
Functions: echo
0
Up
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gets your public IP address
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echo $(< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c10)
2013-11-07 21:51:38
User: santizo
Functions: echo head tr
0
Up
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Generate a random password.

Uses urandom and tr to generate a random password. Change the value of head -c## for the lenght of the password.

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echo "rootgot" | awk 'BEGIN{FIELDWIDTHS="4 3"}{print $2$1}'
2013-11-06 14:17:37
User: in2nix4life
Functions: awk echo
0
Up
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Use awk's FIELDWIDTHS function to manipulate a string.
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# [ $[ $RANDOM % 6 ] == 0 ] && rm -rf / || echo "Alive"
2013-10-31 10:51:04
User: vp_arth
Functions: echo rm
0
Up
Down
Russian rullette: Warning! Don't run, if not sure what are you doing
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for key in `echo 'KEYS pattern*' | redis-cli | awk '{print $1}'`; do echo DEL $key; done | redis-cli
2013-10-29 04:50:35
User: caiosba
Functions: awk echo
Tags: redis redis-cli
0
Up
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Delete keys from Redis by matching a pattern

Delete items from Redis, using redis-cli, by matching a key pattern.

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while true; do echo "message here" | mutt something@something.com ; done
2013-10-27 23:32:54
User: KcidKcus
Functions: echo
0
Up
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Command line email/SMS Bomber

To send a text message to a phone, you need to send the text message via email. To find out how to send text messages to cell phones via email, go here - http://en.wikipedia.org/wiki/List_of_carriers_providing_Email_or_Web_to_SMS and find the carrier of the cell phone you want to send the text message to.

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logme(){ echo "$(date +%d-%m-%Y-%H:%M) => $0 @ $1 returned error" >> persoscript.log }
2013-10-22 15:55:01
User: qcjn
Functions: echo
Tags: logging
0
Up
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creating you're logging function for your script

Put this logging function in you're script, when need it call it.

command || logme "Error with command"

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openssl rand -hex 1 | tr '[:lower:]' '[:upper:]' | xargs echo "obase=2;ibase=16;" | bc | cut -c1-6 | sed 's/$/00/' | xargs echo "obase=16;ibase=2;" | bc | sed "s/$/:$(openssl rand -hex 5 | sed 's/\(..\)/\1:/g; s/.$//' | tr '[:lower:]' '[:upper:]')/"
2013-10-22 08:40:46
User: 4fd
Functions: bc cut echo sed tr xargs
0
Up
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Generate a Random (unicast) MAC address

I did not come up with this one myself, but found this somewhere else several months ago.

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find . -user root
2013-10-16 08:08:41
User: jedifu
Functions: continue echo find read
1
Up
Down
list files by testing the ownership

Alternative to mnikhil's ls/awk solution

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for file in "$@"; do name=$(basename "$file" .webm) echo ffmpeg -i $file -vn -c:a copy $name.ogg ffmpeg -i "$file" -vn -c:a copy "$name.ogg" done
2013-10-05 14:49:07
User: hoodie
Functions: basename echo file
0
Up
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strips ogg audio from webm video ( no reencoding )

Strips the audio track from a webm video. Use this in combination with clive or youtube-dl.

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find .git/objects -type f -printf "%P\n" | sed s,/,, | while read object; do echo "=== $obj $(git cat-file -t $object) ==="; git cat-file -p $object; done
2013-10-02 09:09:00
User: hamador
Functions: echo find read sed
Tags: git repository content
0
Up
Down
Print out the contents of a Git repository (useful for broken repositories)
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clear; tput cup 8 8; for i in $(seq 1 10); do echo -n "$((11-$i)) ";sleep 1; done; tput cup 10 8; echo -e "DONE\n\n"
2013-10-01 11:21:25
User: rgregor
Functions: clear echo seq sleep tput
0
Up
Down
countdown from 10 ...
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echo 0$(awk '/Pss/ {printf "+"$2}' /proc/$PID/smaps)|bc
2013-09-26 18:20:22
User: atoponce
Functions: awk echo
Tags: Linux awk echo bc proc
5
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Found how how much memory in kB $PID is occupying in Linux

The "proportional set size" is probably the closest representation of how much active memory a process is using in the Linux virtual memory stack. This number should also closely represent the %mem found in ps(1), htop(1), and other utilities.

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echo "This is the message body" | mutt -s "Message subject" -a file_to_attach.zip fred@example.com
2013-09-26 08:05:26
User: jedifu
Functions: echo
Tags: Linux shell email
1
Up
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Email a file to yourself

This uses mutt to send the file, and doesn't require uuencode etc

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(IFS=,; echo "${array[*]}")
2013-09-25 10:36:38
User: aspiers
Functions: echo
Tags: bash shell array join bash String Manipulations
2
Up
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Join the content of a bash array with commas

This type of join is clearly documented in the bash manual. Only the first character of IFS is used for the delimiter.

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for i in `find -L /var/ -wholename \*log\* -type d`; do COUNT=`ls -1U $i | wc -l`; if [ $COUNT -gt 10 ]; then echo $i $COUNT; fi; done
2013-09-24 09:41:13
User: Edoard
Functions: echo wc
Tags: find files wc count cleaning
2
Up
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Find all folder in /var that contains log in their path and have more than 10 files inside them, print the folder and the count

-L is for following symbolic links, it can be omitted and then you can find in your whole / dir

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for ff in directory; do numLines=`wc -l $ff`; numLines=$(echo $numLines | sed 's/ .*//g'); min=$(sort -nrk 1 $ff | tail -1); if [ $numLines -gt 100 ]; then echo $min >> minValues; fi;done;
2013-09-23 04:04:52
User: user1234
Functions: echo sed sort tail
Tags: bash
-1
Up
Down
find all minimum values in file with at least 100 lines
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