cciefun ccie/sp fortiOS linux tcl/tk avalanche/reflector canada immi, visit

chap 2 TCL-Introduction and Overview

Expression:
set x "the answer is 1 + 3"
set y "the answer is [1 + 3]" ; #wrong, 1 is not a command
set y "the answer is [expr 1 + 3]"

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Source command:
source ~/def.tcl; #if the file include the procedure, it is callable.

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file I/O
set file [open /tmp/stuff w]
puts -nonewline $file "Hello World"

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Chap 3 Getting started with Expect
Once expect has matched data to a pattern, it moves the data to the expect_out array.
the matched data is no longer eligible to be matched.

set timeout 60; #by default, expect only wait for 10 sec

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interact command
Expect provides a command that turn control from the script over to u.





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Chap 4 Glob patterns and other Basic