log_user 0
set timeout 5
# C1: interactive cat with simple single-pattern expect
spawn /bin/cat
send "ABC\r"
if {[catch {expect "ABC"} r]} { puts "C1-ERR $r" } else { puts "C1-MATCHED" }
catch {close}; catch {wait}
# C2: produce-then-exit, single pattern, eof, exit status
spawn /bin/sh -c {echo XYZ; exit 3}
if {[catch {expect "XYZ"} r]} { puts "C2-ERR $r" } else { puts "C2-MATCHED" }
if {[catch {expect eof} r]} { puts "C2-EOF-ERR $r" } else { puts "C2-EOF" }
catch {wait} w; puts "C2-WAIT=$w"
puts "CLEAN-DONE"