Test terminal attributes

term-attr-test.sh

#!/bin/bash
CHARS="  "
PRE="\e[48;5;"
SUF=m
VARIANT=${1:-RGB}
case $VARIANT in
    RGB)
        ;;
    RBG)
        ;;
    GRB)
        ;;
    GBR)
        ;;
    BRG)
        ;;
    BGR)
        ;;
    *)
        echo Unknown VARIANT
        exit 1
        ;;
esac

if [ "$TERM" = fbterm ]
then
    PRE="\e[2;"
    SUF='}'
fi
echo System Colors:
for COLOR in {0..7}; do echo -ne "$PRE${COLOR}$SUF$CHARS";done
echo -e '\e[0m'
for COLOR in {8..15}; do echo -ne "$PRE${COLOR}$SUF$CHARS";done
echo -e '\e[0m'

echo Color Cube, 6x6x6:
case $VARIANT in
    RGB)
        for R in {0..5};do
            for G in {0..5}; do
                for B in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    RBG)
        for R in {0..5};do
            for B in {0..5}; do
                for G in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    GRB)
        for G in {0..5};do
            for R in {0..5}; do
                for B in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    GBR)
        for G in {0..5};do
            for B in {0..5}; do
                for R in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    BRG)
        for B in {0..5};do
            for R in {0..5}; do
                for G in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    BGR)
        for B in {0..5};do
            for G in {0..5}; do
                for R in {0..5}; do
                    echo -ne "$PRE$((16+(36*R)+(6*G)+B))$SUF$CHARS"
                done
                echo -ne '\e[0m '
            done
            echo
        done
        ;;
    *)
        echo Unknown VARIANT;
        exit 1;;
esac

echo Grayscale Ramp:
for COLOR in 16 16 16 16 16 16 16 59 59 59 59 102 102 102 102 145 145 145 145 188 188 188 188 231; do
  echo -ne "$PRE${COLOR}$SUF$CHARS"
done
echo -e '\e[0m'
for COLOR in {232..255}; do
  echo -ne "$PRE${COLOR}$SUF$CHARS"
done
echo -e '\e[0m'
for COLOR in 0 0 0 0 0 0 0 8 8 8 8 8 8 8 7 7 7 7 7 7 7 15 15 15 ; do
  echo -ne "$PRE${COLOR}$SUF$CHARS"
done
echo -e '\e[0m'

echo Attributes:
echo -e 'foreground -> \e[031m foreground \e[039m <- foreground     31  39\e[m'
echo -e 'background -> \e[041m background \e[049m <- background     41  49\e[m'
echo -e 'fg-bright  -> \e[091m fg-bright  \e[039m <- fg-bright      91  39\e[m'
echo -e 'bg-bright  -> \e[101m bg-bright  \e[049m <- bg-bright     101  49\e[m'
echo -e 'bold       -> \e[001m bold       \e[022m <- bold            1  22\e[m'
echo -e 'faint      -> \e[002m faint      \e[022m <- faint           2  22\e[m'
echo -e 'italic     -> \e[003m italic     \e[023m <- italic          3  23\e[m'
echo -e 'underline  -> \e[004m underline  \e[024m <- underline       4  24\e[m'
echo -e 'double     -> \e[021m double     \e[024m <- double         21  24\e[m'
echo -e 'blink      -> \e[005m blink      \e[025m <- blink           5  25\e[m'
#echo -e 'rapid      -> \e[006m rapid      \e[025m <- rapid           6  25\e[m'
echo -e 'reverse    -> \e[007m reverse    \e[027m <- reverse         7  27\e[m'
echo -e 'conceal    -> \e[008m conceal    \e[028m <- conceal         8  28\e[m'
echo -e 'striked    -> \e[009m striked    \e[029m <- striked         9  29\e[m'
#echo -e 'font1      -> \e[011m font1      \e[010m <- font1          11  10\e[m'
#echo -e 'font2      -> \e[012m font2      \e[010m <- font2          12  10\e[m'
#echo -e 'font3      -> \e[013m font3      \e[010m <- font3          13  10\e[m'
#echo -e 'font4      -> \e[014m font4      \e[010m <- font4          14  10\e[m'
#echo -e 'font5      -> \e[015m font5      \e[010m <- font5          15  10\e[m'
#echo -e 'font6      -> \e[016m font6      \e[010m <- font6          16  10\e[m'
#echo -e 'font7      -> \e[017m font7      \e[010m <- font7          17  10\e[m'
#echo -e 'font8      -> \e[018m font8      \e[010m <- font8          18  10\e[m'
#echo -e 'font9      -> \e[019m font9      \e[010m <- font9          19  10\e[m'
#echo -e 'framed     -> \e[051m framed     \e[054m <- framed         51  54\e[m'
#echo -e 'circled    -> \e[052m circled    \e[054m <- circled        52  54\e[m'
#echo -e 'overline   -> \e[053m overline   \e[055m <- overline       53  55\e[m'
#echo -e 'right1     -> \e[060m right1     \e[065m <- right1         60  65\e[m'
#echo -e 'right2     -> \e[061m right2     \e[065m <- right2         61  65\e[m'
#echo -e 'left1      -> \e[062m left1      \e[065m <- left1          62  65\e[m'
#echo -e 'left2      -> \e[063m left2      \e[065m <- left2          63  65\e[m'
#echo -e 'stress     -> \e[064m stress     \e[065m <- stress         64  65\e[m'