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Full Discussion: ksh processing options and parameters
Top Forums Shell Programming and Scripting ksh processing options and parameters Post 302815273 by BeefStu on Friday 31st of May 2013 02:50:07 PM
Old 05-31-2013
ksh processing options and parameters
I have a requirement where I need to process both options and parameters.

command line call
Code:
ie xxx.ksh -sid TEST1 -search_str LOCKED  user1 user2 .....

I am using the following peice of code but I am usure how I can loop through all my parameters user1, user2, ... Note at the minium there were
be at least "user1"

Can somebody provide and example.

Code:
while [ $# -gt 0 ]
do
     case $1 in
     -+([sS]*(id|ID)))
          shift
          export ORACLE_SID=$1
          ;;
     -+([sS]*(earch_string|EARCH_STRING)))
          shift
          export SEARCH_STRING=$1
          ;;
       *) shift ;;
   esac
done

Thanks to all who answer

---------- Post updated at 02:50 PM ---------- Previous update was at 11:29 AM ----------

My solutuon. Its not fancy but appears to work. Any elegant solutuons are more than welcome

Code:
 
#!/bin/ksh
 
let i=0
set -A parameters
typeset -L1 first_char_in_last_arg

while [ $# -gt 0 ]
do
     case $1 in
     -+([sS]*(id|ID)))
          shift
          export ORACLE_SID=$1
          shift
          ;;
     -+([sS]*(earch_string|EARCH_STRING)))
          shift
          export SEARCH_STRING=$1
          shift
          ;;
       *)
         first_char_in_last_arg="$1"
         if [ "$first_char_in_last_arg" != "-" ]
         then
            parameters[$i]="$1"
            ((i=i+1))
         fi
         shift ;;
   esac
done
for i in ${parameters[@]}
do
   echo $i
done

Last edited by joeyg; 05-31-2013 at 04:07 PM.. Reason: code not icode... (jg just adjusted)
 

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LEARN ABOUT NETBSD

shift

shift(1)							   User Commands							  shift(1)

NAME

       shift - shell built-in function to traverse either a shell's argument list or a list of field-separated words

SYNOPSIS

   sh
       shift [n]

   csh
       shift [variable]

   ksh
       * shift [n]

DESCRIPTION

   sh
       The positional parameters from $n+1 ... are renamed $1 ... . If n is not given, it is assumed to be 1.

   csh
       The  components of argv, or variable, if supplied, are shifted to the left, discarding the first component. It is an error for the variable
       not to be set or to have a null value.

   ksh
       The positional parameters from $n+1 $n+1 ... are renamed $1 ..., default n is 1. The parameter n can  be  any  arithmetic  expression  that
       evaluates to a non-negative number less than or equal to $#.

       On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:

       1.  Variable assignment lists preceding the command remain in effect when the command completes.

       2.  I/O redirections are processed after variable assignments.

       3.  Errors cause a script that contains them to abort.

       4.  Words,  following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
	   able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation  are  not
	   performed.

ATTRIBUTES

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

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

SEE ALSO

       csh(1), ksh(1), sh(1), attributes(5)

SunOS 5.10							    15 Apr 1994 							  shift(1)
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