• I'm very busy
• labyrinth pattern
• press any key to continue
• fortune
• simulate type mechine (super cool!!)
• set volume by command
• cat and tac
• ASCII chart
• hate someone
• star war

I'm very busy

$ cat /dev/urandom | hexdump -C | grep "ca fe"

# or: https://www.commandlinefu.com/commands/view/6771/pretend-to-be-busy-in-office-to-enjoy-a-cup-of-coffee
$ j=0; while true; do let j=$j+1; for i in $(seq 0 20 100); do echo $i;sleep 1; done | dialog --gauge "Install part $j : `sed $(perl -e "print int rand(99999)")"q;d" /usr/share/dict/words`" 6 40;done

# or: https://www.commandlinefu.com/commands/view/6673/pretend-to-be-busy-in-office-to-enjoy-a-cup-of-coffee
$ for i in `seq 0 100`; do timeout 6 dialog --gauge "Install..." 6 40 "$i"; done

# show quota
$ fortune | pv -qL 10

labyrinth pattern

$ while ( true ) ; do if [ $(expr $RANDOM % 2 ) -eq 0 ] ; then echo -ne "\xE2\x95\xB1" ; else echo -ne "\xE2\x95\xB2" ; fi ; done

press any key to continue

$ read -sn 1 -p "Press any key to continue..." && echo "\n"
Press any key to continue...\n

fortune

• a random "cow" say a random thing

  $ fortune | cowsay -f $(ls /usr/share/cowsay/cows/ | shuf -n1)
  

• loop show

  $ for i in {1..20}; do fortune -w ; sleep 3; clear; done
  

simulate type mechine (super cool!!)

[!NOTE|label:references:]

• Simulate typing
• Simulate typing

$ sudo apt-get intall pv
$ echo "Very very very very very long words" | pv -qL $[10+(-2 + RANDOM%5)]
$ echo "You can simulate on-screen typing just like in the movies" | pv -qL 10

# or
$ sudo apt-get install randtype
$ echo "Very very very very very long words" | randtype -m 4

# or
$ echo "hello world !" | while read x; do for(( i=0; i<${#x}; i++ )); do echo -n "${x:$i:1}"; sleep .06; done; done

• Simulate typing but with mistakes

  $ echo -e "You are wa jerk\b\b\b\bwonderful person" | pv -qL $[10+(-2 + RANDOM%5)]
  

• Mac osx friendly version of this terminal typing command at 200ms per key

  $ message="I have a nice easy typing pace"; for ((i=0; i<${#message}; i++)); do echo "after 100" | tclsh; printf "${message:$i:1}"; done; echo
  

• continuously print string as if being entered from the keyboard

  $ cycle(){ while :;do((i++)); echo -n "${3:$(($i%${#3})):1}"; sleep .$(($RANDOM%$2+$1)); done; }
  
  # usage
  $ cycle 1 4 ' All work and no play makes Jack a dull boy.'
  $ cycle 1 3 $(openssl rand 100 | xxd -p)
  

set volume by command

$ pacmd set-sink-volume 0 0x10000
Welcome to PulseAudio! Use "help" for usage information.

cat and tac

$ cat a_b
1
2
3
$ tac a_b
3
2
1

ASCII chart

$ figlet Marslo
 __  __                _
|  \/  | __ _ _ __ ___| | ___
| |\/| |/ _` | '__/ __| |/ _ \
| |  | | (_| | |  \__ \ | (_) |
|_|  |_|\__,_|_|  |___/_|\___/

$ toilet marslo
                             ""#
 mmmmm   mmm    m mm   mmm     #     mmm
 # # #  "   #   #"  " #   "    #    #" "#
 # # #  m"""#   #      """m    #    #   #
 # # #  "mm"#   #     "mmm"    "mm  "#m#"

# with fonts
$ date +"%I:%M %P" | figlet -f /usr/local/share/figlet/future.tlf
┏━┓┏━┓ ┏━┓┏━┓   ┏━┓┏┳┓
┃┃┃╺━┫╹╺━┫  ┃   ┣━┫┃┃┃
┗━┛┗━┛╹┗━┛  ╹   ╹ ╹╹ ╹

$ date +"%I:%M %P" | toilet -f future
┏━┓┏━┓ ┏━┓┏━┓   ┏━┓┏┳┓
┃┃┃╺━┫╹╺━┫  ┃   ┣━┫┃┃┃
┗━┛┗━┛╹┗━┛  ╹   ╹ ╹╹ ╹

# with colors
$ toilet --gay -f term
# or
$ toilet --metal -f term

# have fun
$ fortune | toilet -w $(($(tput cols)-5)) -f pagga
░█▀▀░█░█░█▀▀░█▀▀░█▀▀░█▀▀░▀█▀░░░█░█░█▀█░█░█░░░▀▀█░█░█░█▀▀░▀█▀░░░█▀▀░▀█▀░▀█▀░░░▀█▀░█░█░█▀▀░█▀▄░█▀▀░░░█▀█░█▀█░█▀▄░░░█░█░█▀█
░▀▀█░█░█░█░█░█░█░█▀▀░▀▀█░░█░░░░░█░░█░█░█░█░░░░░█░█░█░▀▀█░░█░░░░▀▀█░░█░░░█░░░░░█░░█▀█░█▀▀░█▀▄░█▀▀░░░█▀█░█░█░█░█░░░█▄█░█▀█
░▀▀▀░▀▀▀░▀▀▀░▀▀▀░▀▀▀░▀▀▀░░▀░░░░░▀░░▀▀▀░▀▀▀░░░▀▀░░▀▀▀░▀▀▀░░▀░░░░▀▀▀░▀▀▀░░▀░░░░░▀░░▀░▀░▀▀▀░▀░▀░▀▀▀░░░▀░▀░▀░▀░▀▀░░░░▀░▀░▀░▀
░▀█▀░▀█▀░░░▀█▀░▀█▀░█░░░█░░░░░█░░░▀█▀░█▀▀░█▀▀░░░█▀▀░█▀▀░▀█▀░█▀▀░░░█▀▀░█▀█░█▀▀░▀█▀░█▀▀░█▀▄░░░
░░█░░░█░░░░░█░░░█░░█░░░█░░░░░█░░░░█░░█▀▀░█▀▀░░░█░█░█▀▀░░█░░▀▀█░░░█▀▀░█▀█░▀▀█░░█░░█▀▀░█▀▄░░░
░▀▀▀░░▀░░░░░▀░░▀▀▀░▀▀▀░▀▀▀░░░▀▀▀░▀▀▀░▀░░░▀▀▀░░░▀▀▀░▀▀▀░░▀░░▀▀▀░░░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀▀▀░▀░▀░▀░

hate someone

$ :(){ :|: &  };:

star war

$ telnet towel.blinkenlights.nl