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Full Discussion: Read a file, add some text and send an email
Top Forums Shell Programming and Scripting Read a file, add some text and send an email Post 302793655 by Don Cragun on Friday 12th of April 2013 11:41:23 PM
Old 04-13-2013
Quote:
Originally Posted by hanson44
Could you clarify how you want the output (the mail message) not to be a single line?
Hi hanson44,
Karthi provided sample output showing exactly the format of the message wanted.

However, Karthi did not say what OS is being used. And, has been stated in this forum dozens (if not hundreds) of times before, you should never use echo if any operand contains a backslash character nor if any argument starts with a minus sign if you want to use your script on different systems. The replacement script I provided replaces the non-portable echo commands with portable printf commands and should produce mail messages in the stated format without the need for a temp file.

As far as why Karthi got a single line of output, I don't know. Even on a system that treats -n as a request to skip the trailing newline and does not translate \n to a newline, there still should have been two lines of output rather than one.
 

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LEARN ABOUT LINUX

shtool-echo

SHTOOL-ECHO.TMP(1)					      GNU Portable Shell Tool						SHTOOL-ECHO.TMP(1)

NAME

       shtool-echo - GNU shtool echo(1) extensional command

SYNOPSIS

       shtool echo [-n|--newline] [-e|--expand] string

DESCRIPTION

       shtool echo is an echo(1) style command which prints string to stdout and optionally provides special expansion constructs (terminal bold
       mode, environment details, date, etc) and newline control. The trick of this command is that it provides a portable -n option and hides the
       gory details needed to find out the environment details under option -e.

OPTIONS

       The following command line options are available.

       -n, --newline
	   By default, output is written to stdout followed by a "newline" (ASCII character 0x0a). If option -n is used, this newline character is
	   omitted.

       -e, --expand
	   If option -e is used, string can contain special "%x" constructs which are expanded before the output is written. Currently the
	   following constructs are recognized:

	   %B  switch terminal mode to bold display mode.

	   %b  switch terminal mode back to normal display mode.

	   %u  the current user name.

	   %U  the current user id (numerical).

	   %g  the current group name.

	   %G  the current group id (numerical).

	   %h  the current hostname (without any domain extension).

	   %d  the current domain name.

	   %D  the current day of the month.

	   %M  the current month (numerical).

	   %m  the current month name.

	   %Y  the current year.

EXAMPLE

	#   shell script
	shtool echo -n -e "Enter your name [%B%u%b]: "; read name
	shtool echo -e "Your Email address might be %u@%h%d"
	shtool echo -e "The current date is %D-%m-%Y"

HISTORY

       The GNU shtool echo command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1998 for Website META Language (WML)
       under the name buildinfo. It was later taken over into GNU shtool.

SEE ALSO

       shtool(1), echo(1).

18-Jul-2008							   shtool 2.0.8 						SHTOOL-ECHO.TMP(1)
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