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Top Forums Shell Programming and Scripting How to display HOSTNAME in sendmail? Post 302996354 by mohtashims on Monday 24th of April 2017 05:13:13 PM
Old 04-24-2017
Hammer & Screwdriver How to display HOSTNAME in sendmail?

I have two issues with my script one of which i would like to discuss here.

Its my compulsion to use sendmail.

My sample script

Code:
#!/bin/bash

{
        print 'From: Prod@`hostname`.mycomp.com'
        print 'To: me@mycomp.com'
        print 'MIME-Version: 1.0'
        print 'Content-Type: text/html'
        print 'Subject: Usage Report'
        print ''
        print '<html>'
        print '<body>'
        print '<p>Today Usage Report for Server</p>'

        print '</body>'
        print '</html>'
} | /usr/sbin/sendmail -t

Wehn i run the above with debug mode i see that the hostname is not substituted in the From of the email.

i also tried the below in vain

Code:
print 'From: Prod@$hostname.mycomp.com'

Code:
uname -a
SunOS myhost 5.11 11.3 sun4u sparc SUNW,SPARC-Enterprise

Can you please suggest something that works with both bash and ksh shells ?
 

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UNAME(1)							   User Commands							  UNAME(1)

NAME
uname - print system information SYNOPSIS
uname [OPTION]... DESCRIPTION
Print certain system information. With no OPTION, same as -s. -a, --all print all information, in the following order, except omit -p and -i if unknown: -s, --kernel-name print the kernel name -n, --nodename print the network node hostname -r, --kernel-release print the kernel release -v, --kernel-version print the kernel version -m, --machine print the machine hardware name -p, --processor print the processor type (non-portable) -i, --hardware-platform print the hardware platform (non-portable) -o, --operating-system print the operating system --help display this help and exit --version output version information and exit AUTHOR
Written by David MacKenzie. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report uname translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
arch(1), uname(2) Full documentation at: <http://www.gnu.org/software/coreutils/uname> or available locally via: info '(coreutils) uname invocation' GNU coreutils 8.28 January 2018 UNAME(1)
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