icat

#!/bin/sh
if [ -z "$1" ]
then
    echo "usage: icat [file ... | -settings | -version] [-s] [-c] [-i] [x1.5 | x2]"
    echo "\t -s: sharpen image"
    echo "\t -c: apply contour filter"
    echo "\t -i: invert image"
    echo "\t x1.5: prints image 1.5x larger than the default size."
    echo "\t x2: prints image 2x larger than the default size."
    echo "\t -settings: changes the settings of ICat."
    echo "\t -version: Displays the installed ICat version."
elif [[ $1 = "-settings" ]]
then
    while true; do
        read -p "Is your terminal font wide where this character, '▓' appears as a square? [y|n] " yn
        case $yn in
            [Yy]* ) line1="font_width: full"; break;;
            [Nn]* ) line1="font_width: half"; break;;
            * ) echo "Please enter 'y' or 'n'.";;
        esac
    done

    while true; do
        read -p "Is your terminal background light or dark? [l|d] " ld
        case $ld in
            [Ll]* ) line2="terminal_color: light"; break;;
            [Dd]* ) line2="terminal_color: dark"; break;;
            * ) echo "Please enter 'l' or 'd'.";;
        esac
    done

    echo "$line1" | sudo tee /usr/local/bin/icat_settings.cfg;
    echo "$line2" | sudo tee -a /usr/local/bin/icat_settings.cfg;

elif [[ $1 = "-version" ]]
then
    echo "v1.2.0";

else
    # The pwd in the first arg must be prepended since this bash script is ran outside of the pwd.
    # The '0' prepended to the args ensures that 5 args will always be passed to icat.py
    python3 /usr/local/bin/icat.py "$(pwd)""/$1" "0$2" "0$3" "0$4" "0$5"
fi