Linux下文本对齐align的方法

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

1. ?? printf ??:

printf ?????????????,?????????????????????:

• ???:printf "%-10s %s\n" "column1" "column2"
• ???:printf "s %s\n" "column1" "column2"
• ????:printf "s %s\n" "column1" "column2" | awk '{printf "%*s%*s\n", (length($1)+length($2))/2, $1, (length($1)+length($2))/2, $2}'

2. ?? awk ??:

awk ??????????????,?????????????????????:

• ???:awk '{printf "%-10s %s\n", $1, $2}' input_file
• ???:awk '{printf "s %s\n", $1, $2}' input_file
• ????:awk '{printf "s %s\n", $1, $2} input_file | awk '{printf "%*s%*s\n", (length($1)+length($2))/2, $1, (length($1)+length($2))/2, $2}'

?????,%-10s ????????? 10 ????,s ????????? 10 ?????input_file ???????????????????????????