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Full Discussion: help making loops
Top Forums Shell Programming and Scripting help making loops Post 302262713 by joeyg on Friday 28th of November 2008 01:02:15 PM
Old 11-28-2008
Hammer & Screwdriver A loop to prompt for a user action

This will loop and ask for actions until it receives the code (a 9) to stop. There are not any commands to be run, but that could be handled with if or case statements. (You were asking about loops.)

Code:
> cat script82.sh
while [ "$user_rsp" != "9" ]
   do
   echo "###"
   echo "### What to do next ?"
   echo "###"
   echo "### 1 - do this"
   echo "### 2 - do that"
   echo "### 3 - do the other"
   echo "### 9 - all done"
   echo "###"
   read user_rsp
  
   echo $user_rsp

done

 

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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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