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NOTE: This guide is not meant as a substitute for instruction on various scripting tools that
are available for automating command-line interfaces. The iLO 2 MP TUI (when used with
command-line arguments) and the SMASH command-line interface were created with these
types of scripting tools in mind to facilitate powerful automation capabilities.
Expect Script Example
The following provides a simple Expect script example with no timeouts and no error checking
using telnet instead of SSH.
#!/usr/local/bin/expect -f
#
# (Portions of) this Expect script (were) was generated by autoexpect on
# Tue Nov 21 08:45:11 2006
# Expect and autoexpect were both written by Don Libes, NIST.
#
# Note that autoexpect does not guarantee a working script. It
# necessarily has to guess about certain things. Two reasons a script
# might fail are:
#
# 1) timing - A surprising number of programs (rn, ksh, zsh, telnet,
# etc.) and devices discard or ignore keystrokes that arrive "too
# quickly" after prompts. If you find your new script hanging up at
# one spot, try adding a short sleep just before the previous send.
# Setting "force_conservative" to 1 (see below) makes Expect do this
# automatically - pausing briefly before sending each character. This
# pacifies every program I know of. The -c flag makes the script do
# this in the first place. The -C flag allows you to define a
# character to toggle this mode off and on.
set force_conservative 0 ;# set to 1 to force conservative mode even if
;# script wasn't run conservatively originally
if {$force_conservative} {
set send_slow {1 .1}
proc send {ignore arg} {
sleep .1
exp_send -s -- $arg
}
}
#2) differing output - Some programs produce different output each time
# they run. The "date" command is an obvious example. Another is
# ftp, if it produces throughput statistics at the end of a file
# transfer. If this causes a problem, delete these patterns or replace
# them with wildcards. An alternative is to use the -p flag (for
# "prompt") which makes Expect only look for the last line of output
# (i.e., the prompt). The -P flag allows you to define a character to
# toggle this mode off and on.
#
# Read the man page for more info.
#
# -Don
#
# (End of auto-expect generated content)
#######################################################################
# USER
set mp_user "Admin"
# PASSWORD- get password from terminal instead of storing it in the script
stty -echo
send_user "For user $mp_user\n"
Text User Interface 65