用sed命令模拟tac
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2022-03-04 17:53:36
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原始数据
This is the header line.
This is the first data line.
This is the second data line.
This is the last line.
This is the last line.
This is the second data line.
This is the first data line.
This is the header line.
This is the last line.
This is the second data line.
This is the first data line.
This is the header line.
cat dataThis is the header line.
This is the first data line.
This is the second data line.
This is the last line.
tac dataThis is the last line.
This is the second data line.
This is the first data line.
This is the header line.
sed -n '{1!G;h;$p}' dataThis is the last line.
This is the second data line.
This is the first data line.
This is the header line.
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