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Top Forums Shell Programming and Scripting How to get return value from C program and logs to file Post 302173183 by yhacks on Thursday 6th of March 2008 12:21:24 AM
Old 03-06-2008
Bug $PIPESTATUS not printing any value

echo "Running program output"
myLine="./add 1 11"
`expr "$myLine"`| tee outputfile
echo "Pass / Fail : $PIPESTATUS"

Thanks for your reply.
$PIPESTATUS is not printing any value when it is written in script
 

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LPDOMATIC(8)						      System Manager's Manual						      LPDOMATIC(8)

NAME
lpdomatic - Foomatic filter script for LPD, LPRng, and GNUlpr SYNOPSIS
lpdomatic [OPTION]... <PPD-filename> DESCRIPTION
The lpdomatic print filter serves as an input filter for the lp family of print spoolers. The print spooler will use it if there is an entry if=/usr/sbin/lpdomatic in the appropriate printer section in /etc/printcap. You can generate such an entry using foomatic-configure. A listing of the attached printer drivers options is printed, when the option docs is passed to this filter. This can be achieved by issu- ing one of the following commands: for LPRng use echo | lpr -Z docs for other spoolers echo | lpr -J docs Options -j option (all but LPRng) Pass option to the printer driver. May also be read from the environment. -J jobtitle (LPRng only) Set the job title to jobtitle. This may be used to set a title header when printing plain text. -Z option (LPRng only) Pass option to the printer driver. SEE ALSO
printcap(5), foomatic-configure(1) FILES
/etc/printcap EXIT STATUS
lpdomatic returns 0 unless something unexpected happens. AUTHOR
Manfred Wassmann <manolo@NCC-1701.B.Shuttle.de> for the foomatic project using output from the associated binary. BUGS
None known. If you find one please report to <foomatic-devel@linuxprinting.org> Foomatic Project 2001-05-07 LPDOMATIC(8)
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