格式化bash脚本输出(制表符、表格或空格，使行/列为偶数)

#!/bin/bash

echo -e "Name\tAge\tCity"
echo -e "John\t25\tNew York"
echo -e "Alice\t30\tLondon"
echo -e "Bob\t35\tParis"

Name    Age     City
John    25      New York
Alice   30      London
Bob     35      Paris

#!/bin/bash

echo -e "Name\tAge\tCity" | column -t -s $'\t'
echo -e "John\t25\tNew York" | column -t -s $'\t'
echo -e "Alice\t30\tLondon" | column -t -s $'\t'
echo -e "Bob\t35\tParis" | column -t -s $'\t'

Name  Age  City
John  25   New York
Alice 30   London
Bob   35   Paris

#!/bin/bash

printf "%-10s %-10s %-10s\n" "Name" "Age" "City"
printf "%-10s %-10s %-10s\n" "John" "25" "New York"
printf "%-10s %-10s %-10s\n" "Alice" "30" "London"
printf "%-10s %-10s %-10s\n" "Bob" "35" "Paris"

Name       Age        City      
John       25         New York  
Alice      30         London    
Bob        35         Paris     

#!/bin/bash

printf "%-20s %-10s %-10s\n" "Name" "Age" "City"
printf "%-20s %-10s %-10s\n" "John" "25" "New York"
printf "%-20s %-10s %-10s\n" "Alice" "30" "London"
printf "%-20s %-10s %-10s\n" "Bob" "35" "Paris"

Name                 Age        City      
John                 25         New York  
Alice                30         London    
Bob                  35         Paris