I wanto replace # SigningTable refile:/etc/opendkim/SigningTable to SigningTable refile:/etc/opendkim/SigningTable.
Which means just remove #.
I use sed -i 's/# SigningTable refile:/etc/opendkim/SigningTable/ SigningTable refile:/etc/opendkim/SigningTable/g' /etc/opendkim.conf,but doesn't work.
I think it's because /,how to use sed to replace string with /?
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You can change the delimiter:
sed -i 's!TEXT!REPLACE!' file
You can use this, if SigningTable appears once in the file:
sed '/SigningTable/{s/^# *//}' in
or be more specific:
sed '\@refile:/etc/opendkim/SigningTable@{s/^#//}' in
perreal
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doesn't work .can be reproductive by `yum install opendkim`. – kittygirl Oct 24 '18 at 03:35
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updated with some other possible solutions. It may be that there is a tab character before the `refile`. – perreal Oct 24 '18 at 03:49
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I use `p` to show the line, nothing appear. – kittygirl Oct 24 '18 at 03:49
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use a sub-string on that line. – perreal Oct 24 '18 at 03:50
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`SigningTable` appears lots of times.You are right, it's `tab character`, when I copy to `windows`,`tab` become `space`.Then, any solution for `tab in sed`. – kittygirl Oct 24 '18 at 03:53
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try `\t`, if that fails look at: https://stackoverflow.com/a/2610121/390913, or you can use a `.` instead of a tab. – perreal Oct 24 '18 at 03:55
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1you can skip parts of the string with `.*` too, for example `SigningTable.*/etc/...` – perreal Oct 24 '18 at 03:56