javacc 5 install script

javacc5.sh

#!/bin/sh

# Installs javacc 5
# My friends are just too lazy =,=

# Bash colors
txtblk='\e[0;30m' # Black - Regular
txtred='\e[0;31m' # Red
txtgrn='\e[0;32m' # Green
txtylw='\e[0;33m' # Yellow
txtblu='\e[0;34m' # Blue
txtpur='\e[0;35m' # Purple
txtcyn='\e[0;36m' # Cyan
txtwht='\e[0;37m' # White
txtrst='\e[0m'    # Text Reset

echo -e "$txtpur""Preparing install""$txtrst"

if [[ ! -d ~/".local/share/bin" ]]
then
    echo -e "$txtgrn""Creating ~/.local/share/bin""$txtrst"
    mkdir ~/.local/share/bin
else
    echo -e "$txtred""~/.local/share/bin exists.""$txtrst"
fi

if [[ $(echo $PATH | grep ~/.local/share/bin) ]]
then
    echo -e "$txtred""~/.local/share/bin already in \$PATH""$txtrst"
else
    echo -e "$txtred""Adding folder to \$PATH""$txtrst"
    echo -e "$txtred""Please source ~/.bashrc or reopen bash""$txtrst"
    echo "export PATH=~/.local/share/bin:"'$PATH' >> ~/.bashrc
    echo -e "$txtred""If you use a shell other than bash, please do this manually!""$txtrst"
fi

# Prepare install
wget --header='Host: java.net' --header='Connection: keep-alive' 'https://java.net/downloads/javacc/javacc-5.0.tar.gz' -O 'javacc.tar.gz' -c
tar -xf javacc.tar.gz
if [[ ! -d ~/".local/share/javacc" ]]
then
    mv javacc-5.0 ~/".local/share/javacc"
    echo -e '#!/bin/sh'"\n""~/.local/share/javacc/bin/javacc "'$@' > ~/.local/share/bin/javacc
    chmod +x ~/.local/share/bin/javacc
else
    echo -e "$txtred""Please remove the previous version of javacc first.""$txtrst"
fi

Make sure you have wget installed.