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Top Forums Shell Programming and Scripting Unix Shell Scripting Standards Post 302112497 by cfajohnson on Wednesday 28th of March 2007 11:42:06 AM
Old 03-28-2007
Quote:
Originally Posted by janmolby
Would anyone have details of pre-existing Unix shell scripting standards. I've been asked to prepare a document outlining standards when writing korn shell scripts & don't really know where to start. Thanks.

The Korn shell will run all scripts that conform to the POSIX standard for the shell. By writing scripts that conform to the standard, you will also be able to run them with other shells if that should ever be needed.

For more information see the standard at http://www.opengroup.org/onlinepubs/.../contents.html.

 

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platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME
platform::shell - System identification support code and utilities SYNOPSIS
package require platform::shell ?1.1.4? platform::shell::generic shell platform::shell::identify shell platform::shell::platform shell _________________________________________________________________ DESCRIPTION
The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell. This package allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only requirement is that the other shell (identified by its path), is actually executable on the current machine. While for most platform this means that the architecture of the interrogated shell is identical to the architecture of the running shell this is not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run 32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers. For applications like a code repository it is important to identify the architecture of the shell which will actually run the installed packages, versus the architecture of the shell running the repository software. COMMANDS
platform::shell::identify shell This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell. platform::shell::generic shell This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell. platform::shell::platform shell This command returns the contents of tcl_platform(platform) for the specified Tcl shell. KEYWORDS
operating system, cpu architecture, platform, architecture platform::shell 1.1.4 platform::shell(n)

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