$ mkdir ~/'Default Folder' 
$ cd ~/'Default Folder'
$ pamac update
$ pamac install vim
$ vim burzltag

i

------------- (Schnipp)
#!/bin/zsh
export PAGER='/usr/bin/less -Xr'
cd ~/'Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar print |mdless
------------ (Schnapp)

ESC
ZZ

$ chmod +x ~/'Default Folder/burzltag'
$ pamac install jdk21-openjdk
$ pamac install ruby-build-environment ruby
$ gem install mdless
$ cd ~
$ mkdir bin
$ vim bin/calculate_birthdays

i

------------ (Schnipp)
#!/bin/zsh

cd ~/'Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar "$@"
------------- (Schnapp)

ESC
ZZ

$ chmod +x bin/calculate_birthdays
$ echo "
#burzltag
cd ~/'Default Folder'
'./burzltag'
export PATH=$PATH:~/Default\ Folder
export PATH=$PATH:~/bin" >> .zshrc

• Download burzltag app:
  https://burzltag.herokuapp.com/download/
• unzip archive

$ cp '~/Downloads/artifacts/target/CalculateBirthdays-1.0-SNAPSHOT.jar' ~/'Default Folder/'

$ pamac install terminator gnome-tweaks
$ gnome-tweaks
click: Start programms - '+' - add 'Terminator'
close gnome-tweaks

• close Terminal app
• open 'terminator'

$ calculate_birthdays help

Here you go!

Burzltag app implements an application to the birthday paradox. You can read more about it here:
https://en.wikipedia.org/wiki/Birthday_problem

Have fun!

$ mkdir ~/'Default Folder' 
$ cd ~/'Default Folder'
# apt update
# apt ugrade
# apt install vim
$ vim burzltag

i

------------- (Schnipp)
#!/bin/bash
export PAGER='/usr/bin/less -Xr'
cd ~/'Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar print |mdless
------------ (Schnapp)

ESC
ZZ

$ chmod +x ~/'Default Folder/burzltag'
# apt install openjdk-17-jre-headless
# apt install ruby
# gem install mdless
$ cd ~
$ mkdir bin
$ vim bin/calculate_birthdays

i

------------ (Schnipp)
#!/bin/bash

cd ~/'Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar "$@"
------------- (Schnapp)

ESC
ZZ

$ chmod +x bin/calculate_birthdays
$ echo "
#burzltag
cd ~/'Default Folder'
'./burzltag'
export PATH=$PATH:~/Default\ Folder
export PATH=$PATH:~/bin" >> .bashrc

• Download burzltag app:
  https://burzltag.herokuapp.com/download/
• unzip archive

$ cp '~/Downloads/artifacts/target/CalculateBirthdays-1.0-SNAPSHOT.jar' '~/Default Folder/'

• restart Terminal app

$ mkdir '/mnt/c/Users/USER/Default Folder' # replace USER with your username
$ cd '/mnt/c/Users/USER/Default Folder'
# apt update
# apt ugrade
# apt install vim
$ vim burzltag.wsl

i

------------- (Schnipp)
#!/bin/bash
export PAGER='/usr/bin/less -Xr'
cd '/mnt/c/Users/USER/Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar print |mdless
------------ (Schnapp)

ESC
ZZ

$ chmod +x '/mnt/c/Users/USER/Default Folder/burzltag.wsl'
# apt install openjdk-17-jre-headless
# apt install ruby
# gem install mdless
$ vim calculate_birthdays.wsl

i

------------ (Schnipp)
#!/bin/bash

cd '/mnt/c/Users/USER/Default Folder'
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar "$@"
------------- (Schnapp)

ESC
ZZ

$ chmod +x calculate_birthdays.wsl
$ echo "
#burzltag
'/mnt/c/Users/USER/Default Folder/burzltag.wsl'
export PATH=$PATH:/mnt/c/Users/USER/Default\ Folder" >> .bashrc

• Download burzltag app:
  https://burzltag.herokuapp.com/download/
• unzip archive

$ cp '/mnt/c/Users/USER/Downloads/artifacts/target/CalculateBirthdays-1.0-SNAPSHOT.jar' '/mnt/c/Users/USER/Default Folder/'

• restart Windows Termnal

$ termux-change-repo
$ termux-setup-storage
# apt update
# apt upgrade
# apt install openjdk-17
# apt install ruby
$ gem install mdless
# apt install ncurses-utils
# apt install vim
$ mkdir .shortcuts
$ vim .shortcuts/calculate_birthdays
i

#!/bin/bash

cd ~/storage/shared/Default\ Folder
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar "$@"

ESC
ZZ
$ chmod +x .shortcuts/calculate_birthdays
$ vim .shortcuts/burzltag
i

#!/bin/bash
export PAGER='/data/data/com.termux/files/usr/bin/less -Xr'
cd ~/storage/shared/Default\ Folder
java -jar CalculateBirthdays-1.0-SNAPSHOT.jar print |mdless

ESC
ZZ
$ chmod +x .shortcuts/burzltag
$ vim ../usr/etc/bash.bashrc
i

######################################
#
# Termux bash.bashrc
# by brainf+ck
#
# Last modified: 2022/06/30
#
######################################

#### Global ##########################

# `grep default` highlight color
export GREP_COLOR="1;32"

# EDITOR
export EDITOR="nvim"
export SUDO_EDITOR="nvim"
export VISUAL="nvim"

# Colored man
export MANPAGER="less -R --use-color -Dd+g -Du+b"

#### History settings ################

# append to the history file, don't overwrite it
shopt -s histappend

# load results of history substitution into the readline editing buffer
shopt -s histverify

# don't put duplicate lines or lines starting with space in the history
HISTCONTROL=ignoreboth

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000

#### Autocompletion ##################

# cycle through all matches with 'TAB' key
bind 'TAB:menu-complete'

# necessary for programmable completion
shopt -s extglob

# cd when entering just a path
shopt -s autocd

#### Prompt ##########################

fake_user="leder"

PS1='\[\033[0;32m\]┌──(\[\033[1;34m\]${fake_user}@\h\[\033[0;32m\])-[\[\033[0;1m\]\w\[\033[0;32m\]]
\[\033[0;32m\]└─\[\033[1;34m\]\$\[\033[0m\] '

#### Aliases #########################

# enable color support of ls, grep and ip, also add handy aliases
if [[ -x /usr/bin/dircolors ]]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    alias grep='grep --color=auto'
    alias diff='diff --color=auto'
    alias ip='ip -color'
fi

# common commands
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'
alias lm='ls | more'
alias ll='ls -lFh'
alias la='ls -alFh --group-directories-first'
alias l1='ls -1F --group-directories-first'
alias l1m='ls -1F --group-directories-first | more'
alias lh='ls -ld .??*'
alias lsn='ls | cat -n'
alias mkdir='mkdir -p -v'
alias cp='cp --preserve=all'
alias cpv='cp --preserve=all -v'
alias cpr='cp --preserve=all -R'
alias cpp='rsync -ahW --info=progress2'
alias cs='printf "\033c"'
alias q='exit'

# memory/CPU
alias df='df -Tha --total'
alias free='free -mt'
alias ps='ps auxf'
alias ht='htop'
alias cputemp='sensors | grep Core'

# applications shortcuts
alias myip='curl -s -m 5 https://ipleak.net/json/'
alias e='nvim'
alias w3m='w3m https://duckduckgo.com'

#### Functions ######################

# If user has entered command which invokes non-available
# utility, command-not-found will give a package suggestions.
if [ -x /data/data/com.termux/files/usr/libexec/termux/command-not-found ]; then
    command_not_found_handle() {
        /data/data/com.termux/files/usr/libexec/termux/command-not-found "$1"
    }
fi

# nnn "cd on quit"
n()
{
    # Block nesting of nnn in subshells
    if [ -n $NNNVL ] && [ "${NNNVL:-0}" -ge 1 ]; then
        echo "nnn is already running"
        return
    fi

    # The behaviour is set to cd on quit (nnn checks if NNN_TMPFILE is set)
    # If NNN_TMPFILE is set to a custom path, it must be exported for nnn to
    # see. To cd on quit only on ^G, remove the "export" and make sure not to
    # use a custom path, i.e. set NNN_TMPFILE *exactly* as follows:
    #   NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
    export NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"

    # Unmask ^Q (, ^V etc.) (if required, see `stty -a`) to Quit nnn
    # stty start undef
    # stty stop undef
    # stty lwrap undef
    # stty lnext undef

    nnn "$@"

    if [ -f "$NNN_TMPFILE" ]; then
        . "$NNN_TMPFILE"
        rm -f "$NNN_TMPFILE" > /dev/null
    fi
}

export PATH=$PATH:/data/data/com.termux/files/home/.shortcuts

export PAGER='/data/data/com.termux/files/usr/bin/less -Xr'

ESC
ZZ
$ mkdir storage/share/Default\ Folder

• download burzltag app
  https://burzltag.herokuapp.com/download/
• unzip archive

$ cp storage/downloads/artifacts/target/CalculateBirthdays-1.0-SNAPSHOT.jar storage/share/Default\ Folder/

• restart termux
• Android widget termux

Please run with Java JRE 11, 17 or 21 in command line:
$ java -jar CalculateBirthdays-1.0-SNAPSHOT.jar

Best viewed with mdless by
https://brettterpstra.com/projects/mdless/

This is Burzltag App, a brand new site by Gerrit Leder that's just getting started. Things will be up and running here shortly, but you can subscribe in the meantime if you'd like to stay up to date and receive emails when new content is published!

Please buy me a cappuccino:
https://ko-fi.com/leder11011