/usr/bin/expect_ftp-rfc is in expect 5.45-7+deb9u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | #!/bin/sh
# -*- tcl -*-
# The next line is executed by /bin/sh, but not tcl \
exec tclsh8.6 "$0" ${1+"$@"}
package require Expect
# ftp-rfc <rfc-number>
# ftp-rfc -index
# retrieves an rfc (or the index) from uunet
exp_version -exit 5.0
if {$argc!=1} {
send_user "usage: ftp-rfc \[#] \[-index]\n"
exit
}
set file "rfc$argv.Z"
set timeout 60
spawn ftp ftp.uu.net
expect "Name*:"
send "anonymous\r"
expect "Password:"
send "expect@nist.gov\r"
expect "ftp>"
send "binary\r"
expect "ftp>"
send "cd inet/rfc\r"
expect "550*ftp>" exit "250*ftp>"
send "get $file\r"
expect "550*ftp>" exit "200*226*ftp>"
close
wait
send_user "\nuncompressing file - wait...\n"
exec uncompress $file
|