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How to execute a script with the expect command?
In order to execute the list of command, the expect command reads from a cmd file. The Expect command could be referred to implicitly to systems that support the #! notation by marking the script as executable and making the first line in the script: The /usr/local/bin path is just an example.
Where do I find the expect command in Java?
The expect command path is defined in the first line which is #!/usr/bin/expect. On the second line of code, we have disabled the timeout. Then run our script using the spawn command. We can use spawn to run any interactive script or program we want. The other rows that remain are the Expect script that connects to our shell script.
How to pass argument in expect through the command line?
I am passing argument in Expect through the command line in a shell script. But it’s not working. How can I fix it? However, your method should work as well.
How to pass parameters to expect using the’-c’option?
FILE=”myFile” HOST=”myhostname” /usr/bin/expect -c $FILE $HOST ‘ set FILE [lindex $argv 0]; set HOST [lindex $argv 1]; send_user “$FILE $HOST” spawn scp -r -o StrictHostKeyChecking=no $FILE root@$HOST:/tmp/ expect “assword:” send “password” interact’ If I create a separate expect script with the same contents but call it in bash like this:
How to handle multiple statements in an Expect script stack?
If the latter, it moves on with providing password, expecting prompt, sending ls command and giving control back. If the former, it will answer ‘yes’ and repeat the expect block, ready to find the prompt for a password (or even the yes/no question again, for that matter – not that you will need that).
How to run expect script with no extension?
This guide and the sample scripts use either the .sh or no extension on Expect script file names. To run an Expect script, use the syntax: Alternatively, make sure you have execute permission set on the Expect script, and run it as would any shell script; without explicitly specifying the expect command.
What does expect mean in bash script stack?
The result is that expect will see a temporary filename including the contents of your here-document. As @Aserre noted, the quotes in <<‘EOD’ mean that everything in your here-document will be treated literally.
How did the expect command get its name?
The “Expect” name comes from the concept of sending/waiting for sequences popular by uucp, kermit and various modem management programs. However, not like uucp, Expect is generalized so it can be executed as a user-level command with any program and task in mind. Expect can communicate with multiple programs at the same time.