Script that prints an overview of escape sequences for changing colors

escapecolors.sh

#!/bin/bash
#
# This script prints an overview of the escape sequences for changing the
# terminal text and background colors using escape sequences.

name030="Black      "
name130="Gray       "
name031="Red        "
name131="Light Red  "
name032="Green      "
name132="Light Green"
name033="Brown      "
name133="Yellow     "
name034="Blue       "
name134="Light Blue "
name035="Purple     "
name135="Pink       "
name036="Cyan       "
name136="Light Cyan "
name037="Light Gray "
name137="White      "

# OUTPUT TABLE
echo -e -n "\033[47;30m"
echo -n " Background:     40    41    42    43    44    45    46    47 "
echo -e "\033[0m"
for fg in 30 31 32 33 34 35 36 37
do
  for hl in 0 1
  do
    eval name=\$name$hl$fg
    test $hl -gt 0 && fg="1;$fg"
    echo -e -n "\033[${fg}m $name  \033[0m"
    for bg in 40 41 42 43 44 45 46 47
    do
      echo -e -n "\033[$bg;${fg}m"
      test $hl -eq 0 && echo -n "  "
      echo -e -n " $fg \033[0m"
    done
    echo
  done
done

echo
echo    " Examples:                                      Result:"

echo -n "  foo \e[1mbar\e[0m baz                        "
echo -e "  foo \e[1mbar\e[0m baz"

echo -n "  foo \e[1;37;41mbar\e[0m baz                  "
echo -e "  foo \e[1;37;41mbar\e[0m baz"

echo -n "  \e[1;31;40mfoo \e[1;33mbar \e[1;32mbaz\e[0m  "
echo -e "  \e[1;31;40mfoo \e[1;33mbar \e[1;32mbaz\e[0m"

echo -e "  \\\\e can also be written as \\\\033."