用echo显示颜色的shell脚本

转自:www.linuxeden.com
感谢作者:dearvoid

代码:
#!/bin/bash
T='gYw' # The test text
echo
echo  "        default  40m     41m     42m     43m     44m     45m     46m
  47m"
## FGs 为前景(foreground)色, BG 为背景(background)色
for FGs in '    m' '   1m' '  30m' '1;30m' '  31m' '1;31m' '  32m' '1;32m' '
33m' '1;33m' '  34m' '1;34m' '  35m' '1;35m' '  36m' '1;36m' '  37m' '1;37m'
        do
        FG=$(echo $FGs|tr -d ' ')
        echo -en " $FGs \033[$FG  $T  "
        for BG in 40m 41m 42m 43m 44m 45m 46m 47m;
                do
                echo -en " \033[$FG\033[$BG  $T  \033[0m"
        done
        echo
done
echo