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Introduction to Expect

Introduction to Expect. Speaker : Wei-Lin Chen Date : 98/5/21. Outline. Introduction Example Command Autoexpect Used expect in Windows Demo. Introduction. Unix automation and testing tool Extension to the TCL scripting language Interactive application telnet, ftp, ssh, etc.

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Introduction to Expect

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  1. Introduction to Expect Speaker : Wei-Lin Chen Date : 98/5/21

  2. Outline • Introduction • Example • Command • Autoexpect • Used expect in Windows • Demo

  3. Introduction • Unix automation and testing tool • Extension to the TCL scripting language • Interactive application • telnet, ftp, ssh, etc. • Regular expression

  4. Example • ftp session (manual) • ftp <host> • Name : <name> • Password : <password> • ftp>put <file>

  5. Example(cont.) • ftp session (automated) • ./ftp.exp <host> <file>

  6. Command • Spawn • Establish application session • Set • Set variable • Expect • Expected events • Send • Send string

  7. Command(cont.) • Puts • Output string • Interact • Pass control from script to user • For, while, if…else, etc.

  8. Autoexpect • autosexpect ftp <host> • Name : <name> • Password : <password> • ftp>put <file> • ftp>bye • autoexpect done, file is script.exp

  9. Used expect in Windows • Install Cygwin • Category Interpretersexpect • Execute Cygwin Bash Shell

  10. Demo • vim ftp.exp • chmod +x ftp.exp • ./ftp.exp 10.10.21.115 Spongebob.jpg

  11. Reference • Expect – Wikipedia • http://en.wikipedia.org/wiki/Expect • Expect Tutorial • http://users.csc.calpoly.edu/~dbutler/tutorials/winter96/expect/tutorial.html • Cygwin Note • http://irw.ncut.edu.tw/peterju/cygwin.html • Regular Expression • http://en.wikipedia.org/wiki/Regular_expression

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