题解 | #wc + awk + xargs 命令循环输出#

line=$(head -n 1 nowcoder.txt | wc -w)     # 获取列数

# awk打印每行，xargs 转置
for (( i = 1; i <= $line; ++i)); do
    awk -v j=$i '{print $j}' nowcoder.txt | xargs
done