Prompting for yes/no in csh

[Brandon S. Allbery KB8JRR]

As quoted from <1660 at inews.intel.com> by bhoughto at hopi.intel.com (Blair P. Houghton):
+---------------
| In article <3821 at ns-mx.uiowa.edu> dkeber at umaxc.weeg.uiowa.edu (Dave Keber) writes:
| >What is the easiest way to prompt for a yes/no (or any string/number, etc.)
| >from a csh shell script?
| 
| 	echo -n "continue? "
| 	set foo=$<
| 
| RTFM for csh(1) and echo(1).  You could have learned all of
+---------------

The ancient csh's supplied as value-added by most System V vendors do not have
$< --- the manual csh(1) won't help here.  But there is usually a "line"
command that can be used similarly:

	echo "continue? \c"
	set foo="`line`"

++Brandon
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