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Full Discussion: simplify/combine if statements would be nice
Top Forums Shell Programming and Scripting simplify/combine if statements would be nice Post 302540681 by crimso on Thursday 21st of July 2011 10:33:29 AM
Old 07-21-2011
simplify/combine if statements would be nice
below is something i inherited:

Code:
if [ "$QUEUE" = "normal" ] && [ "$NCPU" = "2" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m quadcore"
fi

if [ "$QUEUE" = "normal" ] && [ "$NCPU" = "4" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m quadcore"
fi

if [ "$QUEUE" = "normal" ] && [ "$NCPU" = "8" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m octocore1"
fi

below is what i changed it to:

Code:
if [ "$QUEUE" = "normal" ] && [ "$NCPU" = "2" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m quadcore"
elif [ "$QUEUE" = "normal" ] && [ "$NCPU" = "4" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m quadcore"
elif [ "$QUEUE" = "normal" ] && [ "$NCPU" = "8" ] && [ "$MEMARC" = "SMP" ]; then
        HOST_SELECT="-m octocore1"
fi

but something tells me i should be able combine the first if and elif into a single line by doing some sort of "or" thing with the 2 and 4 NCPU condition. or perhaps there's something to simplify it further? any suggestions would be appreciated.
 

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LEARN ABOUT SUSE

smp_rep_manufacturer

SMP_REP_MANUFACTURER(8) 					     SMP_UTILS						   SMP_REP_MANUFACTURER(8)

NAME

       smp_rep_manufacturer - invoke REPORT MANUFACTURER INFORMATION SMP function

SYNOPSIS

       smp_rep_manufacturer [--help] [--hex] [--interface=PARAMS] [--raw] [--sa=SAS_ADDR] [--verbose] [--version] SMP_DEVICE[,N]

DESCRIPTION

       Sends a SAS Management Protocol (SMP) REPORT MANUFACTURER INFORMATION request function to a SMP target. The SMP target is identified by the
       SMP_DEVICE and the SAS_ADDR. Depending on the interface, the SAS_ADDR may be deduced from the SMP_DEVICE. With one interface there  is  one
       SMP_DEVICE per machine so the SMP_DEVICE,N syntax is needed to differentiate between HBAs if there are multiple present.

OPTIONS

       Mandatory arguments to long options are mandatory for short options as well.

       -h, --help
	      output the usage message then exit.

       -H, --hex
	      output the response in hexadecimal.

       -I, --interface=PARAMS
	      interface  specific  parameters.	In this case "interface" refers to the path through the operating system to the SMP initiator. See
	      the smp_utils man page for more information.

       -r, --raw
	      send the response to stdout in binary. All error messages are sent to stderr.

       -s, --sa=SAS_ADDR
	      specifies the SAS address of the SMP target device. Typically this is an expander. This option may not be needed if  the	SMP_DEVICE
	      has the target's SAS address within it. The SAS_ADDR is in decimal but most SAS addresses are shown in hexadecimal. To give a number
	      in hexadecimal either prefix it with '0x' or put a trailing 'h' on it.

       -v, --verbose
	      increase the verbosity of the output. Can be used multiple times

       -V, --version
	      print the version string and then exit.

CONFORMING TO

       The SMP REPORT MANUFACTURER function was introduced in SAS-1, with small additions in SAS-1.1 .

AUTHORS

       Written by Douglas Gilbert.

REPORTING BUGS

       Report bugs to <dgilbert at interlog dot com>.

COPYRIGHT

       Copyright (C) 2006-2008 Douglas Gilbert
       This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A  PARTICULAR  PUR-
       POSE.

SEE ALSO

       smp_utils, smp_discover(smp_utils)

smp_utils-0.93							   January 2008 					   SMP_REP_MANUFACTURER(8)
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