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Revision history for CPAN module Expect 1.35 2017-05-18 - Added AUTHOR key, listing all maintainers 1.34 2017-05-18 Official maintainer JACOBY (Dave Jacoby) - Added a MANIFEST so that "make dist" will work 1.33 2016-06-08 Remove dependency on Test::Exception 1.32 2014-10-26 Skip bc tests. https://rt.cpan.org/Ticket/Display.html?id=98495 1.31 2014-09-02 Eliminate the requirement for ExtUtils::MakeMaker 1.70. Now any ExtUtils::MakeMaker should work on the client side. In the tests, add special treatment for $^O=midnightbsd and dragonfly. and for $^O=linux as well. Test t/11-calc.t also got some special treatment. 1.30 2014-08-22 RT #47834 After a failed call to ->expect the ->match, and ->after will return undef and ->before will return the content of the accumulator. Earlier they retained the values obtained during the last successful match. ->before will return undef at the first time but later, if we call ->clear_accum, it will start returning the empty string. CONFIGURE_REQUIRES ExtUtils::MakeMaker 6.70 Some test updates. 1.29 2014-08-14 Official co-maintainer SZABGAB (Gabor Szabo) Update documentation according to RT #60722 1.28 2014-08-14 Croak if undef passed to _trim_length Fix double planning on skipped test 1.27 2014-08-13 Remove $& and $` fixing the rest of RT #61395 Add more test cases. Various code refactoring declaring loop variables; parameter passing; return undef; etc. 1.26 2014-08-12 Skip the bc test on OS-es where it has been failing. Stop inheriting from Exporter. Eliminate $` and $' from the code. part of (RT #61395) This fix might break some existing code n some extreme cases when the regex being matched has a lookbehind or a lookahead at the edges. 1.25 2014-08-05 Fix test count. 1.24 2014-08-04 More test diagnostics. Tests added for RT #62359 1.23 2014-07-29 Refactoring test script. Eliminate indirect calls in the code and in the docs. Use Perl::Tidy to unify layout. Add use warnings; IO::Tty prerequisite version 1.03 => 1.11 1.22 2014-07-27 New unofficial mainainer (Gabor Szabo) Merge .pod and .pm and move them to lib/ Move the test and the code to standard location /t in the distribution. Eliminate indirect calls in tests. Use Test::More instead of home-brew testing. Typos fixed in pod RT #86852. Changes file re-ordered and standardized. 1.21 2007-08-13 1.20 2006-07-21 + added early return to send and send_slow if filehandle was closed + added test for send_slow ! fixed bug in expect() param handling (exact pattern "0" was ignored) ! fixed bug in _make_readable() + now included example ssh.pl in MANIFEST so it gets packaged :-( 1.19 2006-07-17 ! fixed non-localized usage of $_ + added new example ssh.pl 1.18 2006-07-11 ! added another pipe to synchronize spawning. Closing the slave in the parent can lead to a hang if the child already wrote something into it... ! fixed REs in test to deal with shell prompts 1.17 2006-05-31 ! fixed param check for expect() to allow expect(undef) et al 1.16 2006-05-05 ! fixed hangup with pipe sync upon spawn by adding close-on-exec to pipe handle ! fixed log_file(undef) when logging to CODE ref ! fixed $? mangling in DESTROY by saving & restoring status ! fixed hangup in send_slow ! fixed ugly solaris hack by disabling it for raw ptys + added param check for expect() 1.15 2002-03-19 ! fixed bug in _multi_expect, pattern weren't tried against accum due to exp_New_Data not set. 1.14 2002-03-13 same as 1.13_10 ! fixed select in interconnect, may return -1 if interrupted by signal. 1.13_08 2002-02-28 ! fixed bug in log_file, parameter now gets set to undef. 1.13_07 2002-02-28 + added and corrected test for exit status; got rid of Test.pm ! use 'set_raw' instead of stty("raw"); IO::Stty now optional + updated docs & FAQs; explained how terminal sizes and SIGWINCH should be propagated 1.13_06 2002-01-31 ! spawn is back again + rearranged and changed tests to better suit the various systems + added rudimentary 'notransfer' option; global only, not on per-pattern-basis; workaround available in FAQ + timeout handlers now also can exp_continue + added 'raw_pty' option, also setting master to raw if isatty() 1.13_04 2002-01-18 1.13_02 2001-11-30 1.13_01 2001-11-26 1.13 ! changed tests to check out pty behaviour (max. string length) + added various FAQ entries + added autoflush(1) to log_file + split 'new' and 'spawn' to be able to set slave pty params via stty before actually spawning the program + added slave_pty() + added print_log_file(), send() now no longer prints to log file or stdout. + added alarm to test.pl to avoid blocking on cygwin. ! spawn() now uses IO::Pty spawn, thus exec errors are reported and ssh should work too! 1.12 2001-09-06 ! exp_Max_Accum didn't work for interact. - removed soft_close() from DESTROY. Being overly nice to a doomed process doesn't pay off. Old behaviour is available via $Expect::Do_Soft_Close = 1; ! cleanup of log and exp_internal output + added various aliases for functions starting with 'exp_' ! moved FAQ and intro into the main pod as I got the impression that many users didn't bother to read all the documentation or didn't know that it was there. + added a hook for log_file: can be set to a code ref. 1.11 2001-02-20 Bugs fixed: ! max_accum (match_max) finally really restricts the match-buffer-size. ! expect() didn't return the correct error state upon EOF ! soft_close() was re-reading the filehandle even when an EOF had already been detected, resulting in a very long delay. ! exp_continue() returned a value that got truncated with certain perl versions (5.6 :-( ) on certain systems. Features added: + Lee Eakin <leakin@japh.itg.ti.com>contributed a perl version of the kibitz script which might be of common interest. See the examples/kibitz subdir. Thanks Lee! + Expect got it's own print() so we can show what's getting sent to the spawned program when exp_internal is set. (suggested by horos@earth.he.net) + a session can now be logged to a file by setting log_file(). Thanks to Marcel Widjaja <marcel.widjaja@sun.com> for suggesting this. + I added some aliases for certain methods to help Tcl/Expect users to a WLIE experience (Work Like I Expect). 'exp_pid', 'match_max', 'log_file', 'log_user', even 'send' (which is an alias for 'print') are all there now. But I won't make 'send_user' an alias for 'print STDOUT', you have to draw a line somewhere. + some diagnosis messages now use cluck to print a stacktrace (suggested by horos@earth.he.net) + there is a new option 'restart_timeout_upon_receive', that, when set to 1, will restart the timeout within the expect call. This is useful when supervising an application that produces periodic, but not well-defined output and you still want to react to certain patterns. Just say $exp->restart_timeout_upon_receive(1); $exp->expect($timeout, [ timeout => \&report_timeout ], [ qr/pattern/ => \&handle_pattern ]); (suggested by horos@earth.he.net) 1.10 2000-11-22 I cannot believe it: a syntax error in Expect.pm slipped through (probably when I changed the version number after testing the patches), forcing me to do anouther release. >:-( 1.09 2000-11-21 Various small bugfixes: exp_before didn't get set on timeout, the expect call didn't return on matching EOF, spawn didn't die when exec failed, Expect crashed in certain cases. 1.08 2000-09-20 Added multi-match functionality (see docu) --Roland 1.07 1998-07-12 Changed the ver by .01 so I could get it up on CPAN :P 1.06 Added exp_before(), exp_after(), exp_match(), exp_match_number(), exp_error(). 1.05 Added debug level '3'. Fixed/added to tutorial, fixed a couple of minor bugs. 1.04 1998-03-12 Made all handles exp_inited autoflush. IO::Pty does the spawned processes for us. All regexp patterns passed to expect() are now multiline matched-- this makes matching ^ work for the beginning of lines. Unfortunately due to limitations in perl matching $ as the end of a line doesn't work if you are being returned \r\n instead of just \n. In this case you can use \r?$ to match the end of a line. exp_stty now checks to make sure the FH is a tty. 1.03 Reworked expect() to make the code more fluid. Removed ~50 lines of cruft. Added soft_close() and hard_close() (see Expect.pod for details). 1.02 Killed the $Expect::Use_Regexps stuff. Changed expect to look for '-re' strings indicating the subsequent pattern is to be matched as a regular expression. 1.01 1997-12-15 Dropped process still alive during expect. Sometimes the process dies before the handle finishes getting read. Fixed a typo that caused a response of 'child process died' if a successfull pattern had a null value. Added the ability to do expect() literals instead of regular expressions. see $process->use_regexps and the package global $Expect::Use_Regexps. Fixed internals to work with the documented fashion for using file ojects. everything is internally represented as ${*$process}{exp_variable} instead of ${*$process}{variable}. Pids should be checked with $process->pid() now, since $process->{Pid} no longer exists. exp_kill() is obsolete. Use kill($signal,$process->pid()). 1.00 exp_close no longer sends an exp_kill() to the process. This was kind of a dumb thing to do in the first place. Processes should go away after they are close()d. In fact, there really isn't any point in using exp_close. Just use $process->close();. -This isn't true as of 1.03, where soft and hard close were added to help deal with buffering issues. 0.99 Changed expect() to return the index of the matched pattern + 1. This enables the 'quick and dirty' $process->expect($timeout,'patern') || die; sort of behavior. 0.98 Changed everything. Now requires IO::Tty and uses IO::Stty. This should make it work on any posix-supporting platform that includes a method of obtaining a pty. Got rid of the 'detach' stuff, as it cluttered stuff up too much. Do your own forking. Default settings are now done by directly setting Expect::Values, such as $Expect::Debug and $Expect::Log_Stdout. Things now use 'spawn ids' and 'handle ids' instead of handle numbers. This makes debugging a little more sensible. Though there may be more bugs in the ver. I'm hopeful it should prove to be much more stable, reliable, intuitive and portable than previously. 0.972 Fixed setpgrp to be setsid. Oops. Processes opening /dev/tty should be much happier now. 0.97 Forced baud rate to get set at startup to make sure it wasn't set to 0 and sending EOFs. Linux now hangs consistently. It will probably not work until I get to the stty module. Sigh. Time to stop being lazy :) Also forced complete handle flushing after handles are opened. Probably a bit anal but I'd rather err on the side of safety. After the stty problem gets fixed I'll probably change over eveything to use the IO::Pty module. 0.96 Fixed a couple of idiot mistakes concerning DEBUG mode and printing debug info to STDERR. Changed some debugging spots so debugging info will always be printed in readable escaped format rather than raw input. 0.95 Linux had this bizarre problem of stty occasionally not returning when setting raw -echo. My solution was to run it twice, once for raw and once for echo. The real solution is of course to write an stty function using the POSIX module.. any volunteers? :-) 0.94 Think I fixed the problem of opening /dev/tty. Should work now. Also fixed a typo which caused the initial value of Log_Stdout to be set wrong. 0.92 Finally figured out how to generate an EOF on a terminal (stty 0 but you knew that already ;). Whole module needs a spring cleaning but seems to be pretty functional. After the (later) introduction of a POSIX stty function the code involving stty should get a little cleaner. Interact, interconnect and expect should all benefit from the EOF fix. interconnect also looks for FH exceptions, which it treats as EOFs.