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get the return value of "mailx" command?

Posted on 2004-09-09
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Last Modified: 2013-12-26
Hi,

I am using "mailx" command in unix.
How do I get the return value of this command to know that whether this command is successful or not?

Thanks

Rasa.
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Question by:Rasasekaran
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avizit earned 150 total points
ID: 12016994
echo $?   works in most cases
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by:avizit
ID: 12017094
but seems it doesnt work in case of "mailx"

cos the command doesnt fail until it had actually gone to the destinaton and then it finds that the destination domain has no such user as xyz etc ...

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by:Tintin
ID: 12021385
Depends on the definition of "successful" or not.

Doing

mailx -?

will cause it to "fail" and return a status of 1.  Or to script it:

mailx <options> || echo "mailx failed with a status of $?"

However, if Rasasekaran was meaning whether the mail was successfully delivered or not, then it is not possible to reliably determine this.
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by:tfewster
ID: 12021470
In which case, mailx hasn't errored - and neither has sendmail, which actually does the sending & receiving ;-)

Rasa, are you looking for something like a delivery receipt?
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by:tfewster
ID: 12021475
Oops, my comment was in response to avizits - Tintin has covered it
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by:ahoffmann
ID: 12024056
# sh and friends:
echo $?
# csh and friends:
echo $status
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