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Full Discussion: Help with Shell Script displaying Directories
Top Forums Shell Programming and Scripting Help with Shell Script displaying Directories Post 302309588 by cjnd1988 on Wednesday 22nd of April 2009 09:50:46 AM
Old 04-22-2009
I have got my coding to the following. So far the code calls a function which is used to go through the contents of the directory and ask whether to descend (which recalls the function with the new directory), list the contents of the directory (which calls the another function designed to list the contents).
My problem is with the listing of the contents. Displaying the contents of the first directory is fine. When i go to display the contents of the second directory, what is displayed is the contents of the first directory with the contents of the second directory appended to the end. I do not want this to happen, i only want it to display the contents of the current directory only.
What have i done wrong to make it do this.

Also at present my shell is only set up to accept one parameter, how would i go about setting it up to accept multiple parameters. Use a while loop maybe around the calling functions incrementing the parameter number??
Code:
#!/bin/bash



displaydir()

{
	n=0

	local alist=$( ls $1 )

	for file in $alist

	do

	[ -d "$file" ] &&

		files[${#files[@]}]=$file/ ||

		files[${#files[@]}]=$file

	done

	w=10
 #$(($COLUMNS/4-1))

	printf "%-$w.${w}s %-$w.${w}s %-$w.${w}s %-$w.${w}s\n" "${files[@]}"
	
}


#unset files

#unset answer



descenddir()

{
	local BASEDIR=$1

	local LOCALDIR="$PWD"


	echo "The present working directory is: $BASEDIR "

	cd $BASEDIR

	echo "Do you want to display the contents of this directory?"

	read answer

	case $answer in

	"Y") displaydir "$BASEDIR";;

	"N") ;;

	esac



	local dirlist=$( ls )

	for directory in $dirlist

	do

		if [ -d $directory ]
 
		then {

			echo "Found directory $directory; do you want to Descend, List or Ignore (D,L, I): "

			read answer

			case $answer in

			"D") descenddir "$BASEDIR/$directory/";;

			"L") displaydir "$BASEDIR/$directory/";;

			"I") echo "The directory was ignored" ;;

			esac
 
		}

		fi

	done

	cd $LOCALDIR

}



if [ $1 ]
 
   then descenddir $1
 
   else descenddir "$PWD"

fi

 

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LEARN ABOUT OPENDARWIN

times

times(1)							   User Commands							  times(1)

NAME

       times - shell built-in function to report time usages of the current shell

SYNOPSIS

   sh
       times

   ksh
       times

DESCRIPTION

   sh
       Print the accumulated user and system times for processes run from the shell.

   ksh
       Print the accumulated user and system times for the shell and for processes run from the shell.

       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

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

SunOS 5.10							    15 Apr 1994 							  times(1)
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