src-test/usr.bin/script, branch stable/7

MFC r226403:

2011-10-21T05:41:20Z

In r225809 the intention was to send VEOF only once if STDIN was not a terminal. Unfortunately the fix was incorrect and for flushtime > 0 it keept sending VEOF. Sent VEOF generates ^D\b\b echoed by the terminal, which was reported in bin/161526. Note, we still send VEOF at least once. Otherwise commands like below would hang forever: echo 1 |script /tmp/script.out cat PR: bin/161526 Reported by: Adrian Wontroba , Stefan Bethke Tested by: Stefan Bethke

MFC r225857:

2011-10-10T11:07:36Z

- Fix a few grammar and mdoc nits in script.1 PR: 161088

MFC r225809:

2011-10-04T11:10:11Z

When script(1) reads EOF from input it starts spinning on zero-byte reads eating 100% CPU. Fix this by skipping select on STDIN after reading EOF -- permanently if STDIN is not terminal and for one second if it is. Also after reading EOF from STDIN we have to pass it to the program being scripted. The previous approach was to write zero bytes into the pseudo-terminal. This does not work because zero-byte write does not have any effect on read. Fix this by sending VEOF instead. Reported by: Ronald Klop Discussed with: kib, Chris Torek

MFC r212770 & r212832:

2010-10-14T03:13:20Z

+ Add the SCRIPT environmental variable to the sub-shell. + Add the 'command' argument (if supplied on the command line) to the typescript file.

Deal with double whitespace.

2004-07-03T00:24:45Z

Mechanically kill hard sentence breaks.

2004-07-02T22:22:35Z

Bumped document date.

2004-05-19T09:53:03Z

Fixed markup nit.

Attempt #2 to fix script(1) if the standard input is closed: If we

2004-02-15T17:30:13Z

read EOF from STDIN_FILENO, write zero bytes into the pseudo-terminal; this is interpreted as an EOF by the program being scripted. I've tested this with two non-interactive scripts: # echo 5 | script foo sh -c 'read x; sleep $x; echo bar' # echo bar | xargs script foo echo and one interactive program: # script foo more /etc/passwd and everything seems to work properly... PR: bin/56166, bin/57414, ports/57415, ports/60534 Approved by: rwatson (mentor) MFC after: 2 weeks

Back out part of 1.21, since it breaks `script interactive-program`. This

2004-01-27T17:50:47Z

re-breaks non-interactive portupgrade (or at least old versions of portupgrade); I'll see if I can put together a solution which avoids breaking anything later. Approved by: rwatson (mentor) Noticed by: Stefan Farfeleder, Joshua Goodall

Fix SYNOPSIS of manual page, clustering no-arg options correctly.

2004-01-22T21:26:41Z

Sync usage with manpage.