How to replace all email addresses in a set of files with a generic email address
I have some scripts which have many email address in different domain (say
domain2.com . I want to replace all of them with some generic email address in a common domain, say
domain.com, keeping rest of the script same.
I am using below in
sed but it doesn't seem to work. (it is returning same output as input, so looks like the search is not matching. However, when I tested the regex
\S+@\S+/ in online tester, it seems to match email addresses.)
For example, I have 2 scripts
$ cat script1.sh email@example.com export SENDFROM="firstname.lastname@example.org" blah_4 $ cat script2.sh echo foo|mailx -s "blah" email@example.com,firstname.lastname@example.org,email@example.com firstname.lastname@example.org foo email@example.com bar
My result after
sed -i should be
$ cat script1.sh firstname.lastname@example.org export SENDFROM="email@example.com" blah_4 $ cat script2.sh echo foo|mailx -s "blah" firstname.lastname@example.org,email@example.com,firstname.lastname@example.org email@example.com foo firstname.lastname@example.org bar
I am using
Any suggestion please?
I managed to make it work with
's/\S\+@\S\+.email@example.com/g'. There were 2 problem with previous
- As file had other
@lines (for database connections), I had to append
.comat the end, as all my addresses ended in
UPDATE - Other answers, and comments on this one, point out that you may have to take extra steps to enable shorthand character class matching; I'm used to doing regex in perl, where this just works, so didn't think to address that possibility. This answer only addresses how to improve the matching once you have the regex functioning.
While the problem of matching email addresses with regex can be very complex (and in fact in the most general case isn't possible with true regex), you probably can handle your specific case.
The problem with what you have is that \S matches any non-whitespace, so
firstname.lastname@example.org,email@example.com, where two addresses have no whitespace between, matches incorrectly.
So there's a couple ways to go about it, based on knowing what sorts of addresses you realistically will see. One solution would be to replace both instances of
[^\s,] (note the lowercase s), which simply excludes
, from the match as well as whitespace.
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Capturing email adresses using regex can be more difficult than it seems. Anyhow, for replacing the domain, I think you could simplistically consider that an email domain starts when it find:
1 alphanum char +
N alphanum chars +
N alphanum chars
Hope it helps you.
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echo 'firstname.lastname@example.org,email@example.com,firstname.lastname@example.org' | sed s/[^,@]*@[^,]*/email@example.com/g
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$ amm path/to/email-replace.sc <random integer seed> <file1 with emails> <file2 with emails> ...
DISCLAIMER: the matcher is likely far from perfect, so use at your own risk, and always have backups available.
Note that by default it replaces emails with a new random e-mail address. To use a fixed email address, just replace the call to
randEmail with a constant string.
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