linux shell之控制台打印各种颜色字体和背景的实现方法

 echo -e "\e[43;35m chenyu\e[0m hello word"

 #!/bin/bash for i in {30..37} do echo -e "\e[1;${i}m chenyu\e[0m hello word" done echo "--------------" for((i=47; i>=40; --i)) do echo -e "\e[$i;$[$i - 10]m chenyu \e[0m abcd\e[1;$[$i - 10]m chenyu\e[0m hello word" done #两个字符串相加 chenyu="chen"; chen=${chenyu}"yu" echo $chen #数字相加10 a=10; b=$(($c+10)); echo $b; #数字相加10 c=20; d=$[$c+10]; echo $d;