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Full Discussion: Handling values with space while passing commandline argument from wrapper script in KSH
Top Forums Shell Programming and Scripting Handling values with space while passing commandline argument from wrapper script in KSH Post 302364692 by kans on Friday 23rd of October 2009 04:29:48 PM
Old 10-23-2009
Handling values with space while passing commandline argument from wrapper script in KSH
Hi there,

I have a wapper script which passes the argument from command prompt to inner script.. It works fine as long as the argument containing single word. But when value contains multiple word with space, not working as expected. I tried my best, couldn't find the reason. Gurus, pls. help me.

Code:
Here is the code snippet :

Wrapper.sh

#### Wrapper Begin #####
while getopts ":i:" OPTION 2>/dev/null
  do
     case "$OPTION" in
          i) inargI=$OPTARG;;
         \?) print "Usage: $0 -i <ini>"
             exit -1 ;;
      esac
done
echo "$inargI"
$inargI
#### Wrapper End #####


inner.sh

#### Inner Begin ####
while getopts ":i:j:" OPTION 2>/dev/null
  do
     case "$OPTION" in
          i) inargI=$OPTARG;;
          j) inargJ=$OPTARG;;
         \?) print "Usage: $0 -i <job.ini> -j <job2.ini>"
             exit -1 ;;
      esac
done
echo "i=$inargI"
echo "j=$inargJ"
#### Inner End ####

When I run the arguments with out space, it works fine.

$ wrapper.sh -i "inner.sh -i \"Macain\" -j \"Obama\" "
inner.sh -i "Macain" -j "Obama" 
i="Macain"
j="Obama"


But When I run with space , the results are not showing as expected.

$ wrapper.sh -i "inner.sh -i \"John Macain\" -j \"Barack Obama\" "
inner.sh -i "John Macain" -j "Barack Obama" 
i="John
j=


The expected result should be
i="John Macain"
j="Barack Obama"

Appreciate your help.

Thanks & Regards,
Kans.
Last edited by kans; 10-23-2009 at 06:18 PM.. Reason: Moved the code into code space
 

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LEARN ABOUT OPENSOLARIS

script

script(1)							   User Commands							 script(1)

NAME

       script - make record of a terminal session

SYNOPSIS

       script [-a] [filename]

DESCRIPTION

       The  script  utility  makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
       record is saved in the file typescript. See WARNINGS.

       The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
       when the forked shell exits or when Control-d is typed.

OPTIONS

       The following option is supported:

       -a    Appends the session record to filename, rather than overwriting it.

NOTES

       script places everything that appears on the screen in filename, including prompts.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

WARNINGS

       script  can  pose  a  security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
       privileged user, that is, root. Be sure that typescript is not a link before running script.

SunOS 5.11							    30 Jan 2004 							 script(1)
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