How to pass value to a variable.

[max1x]

I'm a complete novice to the this and here's what I'm trying to do:

capture the value of

send "set | grep TZ"

to a variable.

I tried

set tzVal [send "set | grep TZ"]
puts $tzVal

but it seems to be completely off base here

I am also unable to print expect_output(buffer), getting a not initialized value error. Any help would be much appreciated.

 

[Bong]

Actually, I think your syntax should work. What does "puts $tzVal" show?

Try set tzVal [eval [send "set | grep TZ"]]

_________________
Bob Rashkin

 

[max1x]

When I run the script I get:

set val [exp_send "set | grep TZ\r"]
expect "\$"
puts "val is $val"

$ set | grep TZ
TZ=US/Central
$ val is

With eval I get the following error message:

set val [eval[exp_send "set | grep TZ\r"]]
expect "\$"
puts "val is $val"

wrong # args: should be "eval arg ?arg ...?"
    while executing
"eval[exp_send "set | grep TZ\r"]"
    invoked from within
"set val [eval[exp_send "set | grep TZ\r"]]"

 

[Bong]

my mistake.

I think the "eval" statement should be:
set val [eval exp_send "set | grep TZ\r"]

_________________
Bob Rashkin

 

[max1x]

tried it still didn't work. Still working on it.

 

[Bong]

Well, I don't know any Expect and I expect that's where the problem is.

_________________
Bob Rashkin

 

[max1x]

I ended up using procs for my specific needs.

Thx for the help.