[Tcl-bugs] [ tcl-Feature Requests-681797 ] deprecate the unixExecs constraint

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Feature Requests item #681797, was opened at 2003-02-06 09:30
Message generated for change (Settings changed) made by stwo
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Category: 34. tcltest Package
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Don Porter (dgp)
>Assigned to: Don Porter (dgp)
Summary: deprecate the unixExecs constraint

Initial Comment:

In the way overlong set of default constraints defined
by tcltest, we find the constraint "unixExecs".

This constraint is true if all the following executables
appears to be available for [exec]:

  cat
  echo
  sh
  wc
  sleep
  chmod
  rm
  mkdir
  fgrep
  grep
  ps

Any test suite that needs a particular executable to
be available should really test for each executable
it needs and define its own constraints.

The only test suite known to use the unixExecs
constraint is Tcl's own test suite, and it only [exec]'s
cat, echo, and grep.

It would be nice to do away with this constraint entirely,
or at least reduce the executables tested to those actually
used.

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Comment By: Don Porter (dgp)
Date: 2004-02-25 16:25

Message:
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Note that [exec cat] is especially
broken in Cygwin in its handling
of the command line.  Yet more
reason to stop using this constraint
wherever possible.

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