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Top Forums Shell Programming and Scripting Reading multiple values in while loop Post 302783455 by sabbata on Wednesday 20th of March 2013 01:03:14 PM
Old 03-20-2013
[Solved] Reading multiple values in while loop

I'm having trouble with a simple piece of code.
Code:
IFS=,
echo "1,2,3,4,5,6,7,8" | while read x y
do
echo "x=$x"
echo "y=$y"
done

I'm hoping for
x=1
y=2
x=3
y=4
.
.
.

but I'm getting
x=1
y=2,3,4,5,6,7,8

what am I missing here?

Last edited by vbe; 03-20-2013 at 02:08 PM.. Reason: code tags
 

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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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