ANN: EditVar/EditV32/EditV64 and Choose/Choose32/Choose64 v2.0


Bill Stewart

EditVar/EditV32/EditV64 and Choose/Choose32/Choose64 v2.0

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EditVar/EditV32/Editv64 and Choose/Choose32/Choose64 are command-line
tools designed to allow for user input in shell scripts (AKA batch
files). There are three .exe files for each program: DOS, Win32, and Win64.

EditVar works by obtaining the contents of an environment variable and
presenting it for interactive editing. If you make any changes to the
variable's contents and press Enter, EditVar writes the changed variable
to the parent environment of the program that started it (typically
Cmd.exe). EditV32 requires Windows NT 4.0 or later; for Windows 9x/Me,
use the MS-DOS version.

EditVar is similar to the Cmd.exe Set /p command in Windows 2000 and
later, but it may be preferable for the following reasons:

* It allows you to edit a variable, not just set one.
* It can limit the length of the typed variable.
* It can mask the typed input for simple password security.
* It can limit typed input to numbers only.
* It offers a timeout feature (useful when a script needs to run
* It can automatically "escape" reserved shell characters in variables
it creates.
* It provides useful exit codes: For example, an exit code of 4 means
that the user pressed Ctrl-C to abort.
* It comes with an MS-DOS version that works in Windows 9x/Me as well as
on MS-DOS boot media.

Choose is similar to the Microsoft Choice tool, but it has more
features. Here are some reasons why it might be preferable to Choice:

* It doesn't beep when the user makes an invalid choice.
* It offers a "default key" feature, which lets a user press Enter to
select a default choice.
* It comes with a DOS version (useful for MS-DOS boot media).
* The Win32 version's timeout feature doesn't get confused when you run
multiple instances in separate console windows (this was a problem with
earlier Win32 console versions of Microsoft's Choice tool).
* It can suppress the display of the user's choice.
* It offers a "line input" mode where the user must press Enter after
making a choice.

What's new?

Version 2.0 includes 64-bit Windows versions.

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