如何利用printf命令在Linux中进行对齐输出

? Linux ?,????? printf ???????????

1. ???:?? - ??
2. ???:?????,??????????????,???????????
3. ????:???????????????,??????????????????????

???????:

1. ???:

printf "%-10s %-10s\n" "Name" "Age" printf "%-10s %-10s\n" "Alice" "25" printf "%-10s %-10s\n" "Bob" "30" 

??:

Name Age Alice 25 Bob 30 

2. ???:

printf "s s\n" "Name" "Age" printf "s s\n" "Alice" "25" printf "s s\n" "Bob" "30" 

??:

 Name Age Alice 25 Bob 30 

3. ????:

# ???????????? left_padding=5 right_padding=4 # ???? printf "%*s%*s\n" $left_padding "Name" $right_padding "Age" # ???? printf "%*s%*s\n" $left_padding "Alice" $right_padding "25" printf "%*s%*s\n" $left_padding "Bob" $right_padding "30" 

??:

 Name Age Alice 25 Bob 30 

??:??????,????? %*s ?????,?? * ???????????????????????? left_padding ? right_padding ??????????