Terminal color test script

colors.sh

#!/bin/bash
echo "=== Terminal Info ==="
echo "TERM: $TERM"
echo "COLORTERM: $COLORTERM"
echo "TERM_PROGRAM: $TERM_PROGRAM"
echo "Colors: $(tput colors)"
echo ""
echo "=== ANSI 16 Colors ==="
for i in {0..7}; do printf "\e[48;5;${i}m  %d  \e[0m" $i; done
echo ""
for i in {8..15}; do printf "\e[48;5;${i}m  %d  \e[0m" $i; done
echo ""
echo ""
echo "=== Foreground Colors ==="
for c in {30..37}; do printf "\e[${c}m▓▓▓\e[0m "; done
echo "(normal)"
for c in {90..97}; do printf "\e[${c}m▓▓▓\e[0m "; done
echo "(bright)"
echo ""
echo "=== Sample Text ==="
printf "\e[1mBold\e[0m \e[2mDim\e[0m \e[4mUnderline\e[0m \e[7mReverse\e[0m\n"