Strange parameter passing problems (KSH) Post: 302124527

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Top Forums Shell Programming and Scripting Strange parameter passing problems (KSH) Post 302124527 by rockysfr on Sunday 1st of July 2007 10:20:02 PM

07-01-2007

Registered User

Strange parameter passing problems (KSH)

Hi all,

I'm having a rather peculiar problem involving parameter passing with declared functions in my shell script. Hope to get some advice here.

A brief description of my code is as follows:

Quote:

# assign target directory to variable rdir
rdir = /products

# method showmenu finds all subdirectories from a given directory, places their names in an array and then outputs them in the form of a menu

showmenu() {

set -A items $(find $1/* -type d -prune)

i=0
while ((i<${#items[i]}))
do
echo "$i. ${items[$i]}"
((i+=1))
done

}

# in the next part of program, call showmenu and pass variable rdir as the parameter

showmenu $rdir

However, I'm not getting the results I wanted. If I pass in $rdir, I'm going to end up referencing from the root (ie. / ) and printing out the root directory names (ie. bin, boot, dev, etc, home). However, if I hard code the directory location in place of $1 in showmenu(), I'll see the correct directory names.

Any ideas as to why the directory names are not showing?

Thanks in advance.

rockysfr

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LEARN ABOUT DEBIAN

menu_items

items(3MENU)															      items(3MENU)

NAME

       menu_items - make and break connections between items and menus

SYNOPSIS

       #include <menu.h>
       int set_menu_items(MENU *menu, ITEM **items);
       ITEM **menu_items(const MENU *menu);
       int item_count(const MENU *menu);

DESCRIPTION

       The function set_menu_items changes the item pointer array of the given menu.  The array must be terminated by a NULL.

       The function menu_items returns the item array of the given menu.

       The function item_count returns the count of items in menu.

RETURN VALUES

       The function menu_items returns a pointer (which may be NULL).  It does not set errno.

       The function item_count returns ERR (the general curses error return value) if its menu parameter is NULL.

       The function set_menu_items returns one of the following codes on error:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
	    Routine detected an incorrect or out-of-range argument.

       E_NOT_CONNECTED
	    No items are connected to the menu.

       E_POSTED
	    The menu is already posted.

       E_SYSTEM_ERROR
	    System error occurred (see errno).

SEE ALSO

       ncurses(3NCURSES), menu(3MENU).

NOTES

       The header file <menu.h> automatically includes the header file <curses.h>.

PORTABILITY

       These routines emulate the System V menu library.  They were not supported on Version 7 or BSD versions.

       The SVr4 menu library documentation specifies the item_count error value as -1 (which is the value of ERR).

AUTHORS

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

																      items(3MENU)

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