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Full Discussion: Validating month value in shell script
Top Forums Shell Programming and Scripting Validating month value in shell script Post 302457901 by pravin27 on Wednesday 29th of September 2010 03:55:10 AM
Old 09-29-2010
Somrthing like this,

Code:
printf "$FBOLD\nPlease enter the minutes (0-59): $FREG"
read MIN

case "$MIN" in
[0-9]|[0-5][0-9]) echo "valid min $MIN"; break 2;;
*)
echo ""
echo "Invalid minutes, please try again.";;
esac

printf "$FBOLD\nPlease enter the month (0-12): $FREG"
read MON

case "$MON" in
0[1-9]|[0-9]|1[012]) echo "valid month $MON";break 2;;
*)
echo ""
echo "Invalid month, please try again.";;
esac

printf "$FBOLD\nPlease enter the day (0-31): $FREG"
read DAY

case "$DAY" in
0[1-9]|[0-9]|[12][0-9]|3[01]) echo "valid Day $DAY";break 2;;
*)
echo ""
echo "Invalid day, please try again.";;
esac

printf "$FBOLD\nPlease enter the hr (0-23): $FREG"
read HR

case "$HR" in
0[1-9]|[0-9]|1[0-9]|2[0123]) echo "valid hour $HR";break 2;;
*)
echo ""
echo "Invalid hour, please try again.";;
esac

y=`date '+%Y'`
day_of_week=`date -d $MON/$DAY/$y '+%u'`

echo "Cronjob scheduled on $MON $DAY $day_of_week $HR $MIN"

 

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LEARN ABOUT OPENSOLARIS

noecho

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include  -L	/usr/xpg4/lib 
	-R  /usr/xpg4/lib  -lcurses  [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.11							    5 Jun 2002							    echo(3XCURSES)
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