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Full Discussion: simple shell script problem
Top Forums UNIX for Dummies Questions & Answers simple shell script problem Post 91963 by Bhups on Tuesday 6th of December 2005 10:10:25 PM
Old 12-06-2005
solution:recursively calling a function
hiiii djt0506,

got a easy solution for you Smilie ...

you neeed to write a function "function Func_validate_phone_number" which will validate the phone number entered by the user.
if the ph no is blank it will again call the same function and will ask the user to enter it again....until he enters any thing other than "enter".

if you want to validate it further (for valid numbers or no characters etc) then you need to do some more validations....which again quiet easy Smilie.

here is my code....

function Func_validate_phone_number {

if [ -z "$ph" ]
then
echo "Phone Number cannot be blank....please re-enter."
read ph
Func_validate_phone_number "$ph"
else
echo "Thanks for giving your phone number.....bye"
fi

}


echo "Enter the phone number"
read ph
Func_validate_phone_number "$ph"


i have tested it .....it works fine Smilie ...

cya
 

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LEARN ABOUT SUSE

xine-bugreport

XINE-CHECK(1)						      General Commands Manual						     XINE-CHECK(1)

NAME

       xine-check - a checker for the xine video player

SYNOPSIS

       xine-check [-q] [-v] [-B] [-b]
       xine-bugreport [-q] [-v] [-B]

DESCRIPTION

       This  manual  page  explains  the xine-checker program.	xine-check is a program, which tests the xine video player installation for common
       problems.

       If you experience any problem with or while running xine, running xine-check might provide useful hints for problem tracking.

       xine-check tests the operating system settings, installation of plugins, CD/DVD drive settings and video support parameters.

       If run as xine-bugreport, it will produce a terse system description and guide you through the process of reporting a bug. This is the pre-
       ferred way to report xine bugs, as it's easier for you and provides the developers with a more complete bugreport.

OPTIONS

       The  program  follows  usual  GNU command line syntax, with long options starting with two dashes (`-').  A summary of options are included
       below.  For a complete description, see README and FAQ in /usr/share/doc/xine-ui or on the xine home page.

       -h, --help
	      Show summary of options and version number.

       The remaining options, labelled XINE-CHECK options: when listed with "xine-check --help", are explained here.

       -q, --quiet
	      Only give a single one-line messages, even if problems are found.  Normally xine-check provides hints for  every	problem  found	to
	      help solve the problem.

       -v, --verbose
	      Enable extended output describing each check in detail, which produces a kind of frequently asked questions (FAQ) list.

       -B, --batch
	      Turn  off  pause	after  long  messages.	Normally xine-check waits for confirmation after a problem was found or a long message was
	      printed.

       -b, --bug
	      Produce a bug report. This is the same as calling xine-bugreport directly.

BUGS

       none, of course ;-) Well, there are surely a few of those. You can probably best ask for support (and report bugs) on our mailing  list	at
       <xine-user@lists.sf.net>.

SEE ALSO

       xine(1), aaxine(1), xine-lib(3), http://xinehq.de <http://xinehq.de/>

AUTHOR

       This manual page was written by Philipp Hahn <pmhahn@users.sf.net> for the xine project.

COPYRIGHT NOTICE

       Copyright (C) 2002 Siggi Langauf

The xine project						  Januar 16, 2002						     XINE-CHECK(1)
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