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how to set linux core dump https://www.cnblogs.com/diegodu/archive/2004/01/13/4757045.html

grep和sed配合替换文件中的字串 sed -i ‘s/sdp write end_time/sdp write end_time/g’ grep "sdp write end_time" -rl --include="sim_results.log" ./ 错误：如果 ‘s/sdp write end_time/sdp write end_time/g’ 没有引起来，出下面错误 sed: -e expression #1, char 7: unterminated `s’ command 错误 作用