echo 2: "x[$x]"
rm /tmp/IN
+# this is where the bash `read' behavior with respect to $REPLY differs
+# from ksh93
+echo "A B " > /tmp/IN
+
+read < /tmp/IN
+echo "[$REPLY]"
+
+rm /tmp/IN
+
+echo " A B " > /tmp/IN
+
+read < /tmp/IN
+echo "[$REPLY]"
+
+rm /tmp/IN
+
+# make sure that read with more variables than words sets the extra
+# variables to the empty string
+
+bvar=bvar
+cvar=cvar
+echo aa > /tmp/IN
+read avar bvar cvar < /tmp/IN
+echo =="$avar"==
+echo =="$bvar"==
+echo =="$cvar"==
+
+rm /tmp/IN
+
+# test behavior of read with various settings of IFS
+
+echo " foo" | { IFS= read line; recho "$line"; }
+
+echo " foo" | { IFS= ; read line; recho "$line"; }
+
+echo " foo" | { unset IFS ; read line; recho "$line"; }
+
+echo " foo" | { IFS=$'\n' ; read line; recho "$line"; }
+
+echo " foo" | { IFS=$' \n' ; read line; recho "$line"; }
+
+echo " foo" | { IFS=$' \t\n' ; read line; recho "$line"; }
+
+echo " foo" | { IFS=$':' ; read line; recho "$line"; }
+