I have two files(s.txt,d.txt), and want to insert s.txt into d.txt before the line containing 'hello'. I use
sed '/hello/i/r s.txt' d.txt
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2See: [Using sed to insert file content](http://stackoverflow.com/q/11243102/3776858) – Cyrus Mar 02 '16 at 06:04
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But this command cannot work. it treat the 'r s.txt' as a string and insert this string before the line containing 'hello' – Melody Mar 02 '16 at 06:05
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1Use this with GNU sed: `sed -e '/hello/{h;r s.txt' -e 'g;N}' d.txt` – Cyrus Mar 02 '16 at 06:09
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1It works, thanks a lot! – Melody Mar 02 '16 at 06:26