3
我有5个文件多awk来在同一行打印
a.txt
b.txt
c.txt
d.txt
e.txt
模式使用
awk 'NR==21 {print $1}' a.txt; awk 'NR==21 {print $1}' b.txt; awk 'NR==21 {print $1}' c.txt; awk 'NR==21 {print $1}' d.txt; awk 'NR==21 {print $1}' e.txt;
输出
a
b
c
d
e
但我需要它是
a b c d e
有人可以帮我吗?