mirror of https://github.com/tLDP/LDP
52 lines
953 B
Bash
52 lines
953 B
Bash
#!/bin/bash
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# show-all-colors.sh
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# Displays all 256 possible background colors, using ANSI escape sequences.
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# Author: Chetankumar Phulpagare
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# Used in ABS Guide with permission.
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T1=8
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T2=6
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T3=36
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offset=0
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for num1 in {0..7}
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do {
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for num2 in {0,1}
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do {
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shownum=`echo "$offset + $T1 * ${num2} + $num1" | bc`
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echo -en "\E[0;48;5;${shownum}m color ${shownum} \E[0m"
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}
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done
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echo
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}
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done
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offset=16
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for num1 in {0..5}
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do {
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for num2 in {0..5}
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do {
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for num3 in {0..5}
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do {
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shownum=`echo "$offset + $T2 * ${num3} \
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+ $num2 + $T3 * ${num1}" | bc`
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echo -en "\E[0;48;5;${shownum}m color ${shownum} \E[0m"
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}
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done
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echo
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}
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done
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}
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done
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offset=232
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for num1 in {0..23}
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do {
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shownum=`expr $offset + $num1`
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echo -en "\E[0;48;5;${shownum}m ${shownum}\E[0m"
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}
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done
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echo
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