cmfr 发表于 2015-9-9 07:24:23

sed的替换命令

　　例1：
　　# cat nagios.txt
<TD ALIGN=LEFT valign=center CLASS='statusBGCRITICAL'><A HREF='extinfo.cgi?type=2&host=192.168.5.110&service=SSH'>SSH</A></TD></TR>
<TD ALIGN=LEFT valign=center CLASS='statusBGCRITICAL'><A HREF='extinfo.cgi?type=2&host=192.168.5.110&service=check-host-alive'>check-host-alive</A></TD></TR>

　　# sed -e 's/\(\{1,3\}\.\{1,3\}\.\{1,3\}\.\{1,3\}\)/\1555/g' nagios.txt
<TD ALIGN=LEFT valign=center CLASS='statusBGCRITICAL'><A HREF='extinfo.cgi?type=2&host=192.168.5.110555&service=SSH'>SSH</A></TD></TR>
<TD ALIGN=LEFT valign=center CLASS='statusBGCRITICAL'><A HREF='extinfo.cgi?type=2&host=192.168.5.110555&service=check-host-alive'>check-host-alive</A></TD></TR>
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