题解 | #打印空行的行号#
打印空行的行号
https://www.nowcoder.com/practice/030fc368e42e44b8b1f8985a8d6ad255
#!/bin/bash cat -n nowcoder.txt | awk '$2=="" {print $1}'
打印空行的行号
https://www.nowcoder.com/practice/030fc368e42e44b8b1f8985a8d6ad255
#!/bin/bash cat -n nowcoder.txt | awk '$2=="" {print $1}'
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