引用
1. sed command
sed '/^$/d' a.txt > output.txt
2. vim command
:g/^$/d
3. cat command
cat -s a.txt
4. vim command
:%!cat -s
linux remove blank line in file
1. sed command
sed '/^$/d' a.txt > output.txt
2. vim command
:g/^$/d
3. cat command
cat -s a.txt
4. vim command
:%!cat -s
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转载自j4s0nh4ck.iteye.com/blog/2238424
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