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diff -up expect5.45/example/passmass.orig expect5.45/example/passmass
--- expect5.45/example/passmass.orig 2011-07-27 16:09:31.013843393 +0200
+++ expect5.45/example/passmass 2011-07-27 16:10:55.667843578 +0200
@@ -107,6 +107,10 @@ for {set i 0} {$i<$argc} {incr i} {
set login "ssh"
continue
} "-telnet" {
+ if {[file executable /usr/bin/telnet] == 0} {
+ send_user "It seems that telnet is not installed. Please install telnet in order to use the script with this option.\n"
+ exit 1
+ }
set login "telnet"
continue
} "-program" {
diff -up expect5.45/example/weather.orig expect5.45/example/weather
--- expect5.45/example/weather.orig 2011-07-27 15:49:57.878843862 +0200
+++ expect5.45/example/weather 2011-07-27 16:08:48.067843491 +0200
@@ -33,6 +33,11 @@ set timeout 60
set env(TERM) vt100 ;# actual value doesn't matter, just has to be set
+if {[file executable /usr/bin/telnet] == 0} {
+ send_user "It seems that telnet is not installed. Please install telnet in order to use this script.\n"
+ exit 1
+}
+
spawn telnet rainmaker.wunderground.com 3000
while {1} {
expect timeout {
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