SHELL删除空白行
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2022-03-03 23:07:19
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[email protected]:~$ cat file2.txt
Line 1 Line 2
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
[email protected]:~$ sed '/^$/d' file2.txt
Line 1 Line 2
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
[email protected]:~$ gawk '/./ {print $0}' file2.txt
Line 1 Line 2
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
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