题解 | #转置文件的内容#

#!/bin/bash
declare -i n=1
a=`head -n 1 nowcoder.txt | awk "{print NF}"`
b=`awk "END {print NR}" nowcoder.txt`
# sort -k 2 nowcoder.txt -o nowcoder.txt
# 没看懂这个词频排序是什么排序规则
while [ $n -le $a ]
do
    awk '{printf "%s ",$'$n'}' nowcoder.txt
    echo ''
    let n+=1
done