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Full Discussion: Result of Catching Return Value from Sub_script.sh to Main_script.sh is not as Expected
Top Forums Shell Programming and Scripting Result of Catching Return Value from Sub_script.sh to Main_script.sh is not as Expected Post 302714507 by duddukuri on Friday 12th of October 2012 09:01:11 AM
Old 10-12-2012
Question Result of Catching Return Value from Sub_script.sh to Main_script.sh is not as Expected
Main_script.sh

Code:
#! /bin/sh

./Sub_script.sh
rc=$?
echo "Return code from Sub_script.sh : $rc"
if [ $rc -eq 991 ]; then
echo "$rc = 991"
            echo ""
            exit 1
elif [ $rc -eq 992 ]; then
echo "$rc = 992"
	    echo ""
	    exit 1	
elif [ $rc -ne 0 ]; then
echo "$rc = 0"
	    echo ""
	    exit 1
fi
echo "Success..."

# EOF
exit 0

********************

Sub_script.sh
Code:
#! /bin/sh

echo "Hello inside Sub_script.sh"
rc=$?
if [ $rc -eq 0 ]; then
echo "Sub_script.sh rc value : $rc"
            echo ""
	    exit 991
fi
echo "Bye..Sub_script.sh "
	
# EOF
exit 0

********************
Main Script Execution Output:
Code:
./Main_script.sh
Hello inside Sub_script.sh
Sub_script.sh rc value : 0

Return code from Sub_script.sh : 223
223 = 0

********************
Expected Main Script Execution Output:
Code:
./Main_script.sh
Hello inside Sub_script.sh
Sub_script.sh rc value : 0

Return code from Sub_script.sh : 991
991 = 0

********************
How to return a custom exit code from Sub_script.sh to Main_script.sh

Thanks a lot in Advance.

-Duddukuri
Last edited by Scrutinizer; 10-15-2012 at 02:05 AM.. Reason: code tags
 

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LEARN ABOUT OPENSOLARIS

ppmtosixel

ppmtosixel(1)                                                 General Commands Manual                                                ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.  The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
              pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order  of  magni-
              tude larger than a compressed file and prints much slower.

       -margin
              If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
              fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater  than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

                                                                   26 April 1991                                                     ppmtosixel(1)
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