Bug in spawning bat files with expect 5.26-cygwin-990830, CYGWIN 1.1.7 (NT 4.0)

[Prasad Chodavarapu]

bat files seem to be executed in the foreground (like exec) when spawned.

e.g. create c:/temp/a.bat with just the following one line in it.

sleep 600

now, run expect and spawn this bat file.


$ expect
expect1.1> spawn c:/temp/a.bat
spawn c:/temp/a.bat

the "spawn a.bat" command hangs until the sleep in a.bat finishes.

i tried wrapping the bat file in a bash script, tried running the bat script 
with "c:/cmd.exe /c", but both of them didn't change the behaviour of 
expect's spawn command.

expect's port on windows NT from
http://bmrc.berkeley.edu/people/chaffee/expectnt.html
does not have this problem. hence, this definitely seems to be a bug in the 
cygwin port of expect.

i would appreciate if u can point me to any workarounds.

thanks
prasad
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