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platform(n) Tcl Bundled Packages platform(n)
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NAME
platform - System identification support code and utilities
SYNOPSIS
package require platform ?1.0.4?
platform::generic
platform::identify
platform::patterns identifier
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DESCRIPTION
The platform package provides several utility commands useful for the identification of
the architecture of a machine running Tcl.
Whilst Tcl provides the tcl_platform array for identifying the current architecture (in
particular, the platform and machine elements) this is not always sufficient. This is
because (on Unix machines) tcl_platform reflects the values returned by the uname command
and these are not standardized across platforms and architectures. In addition, on at
least one platform (AIX) the tcl_platform(machine) contains the CPU serial number.
Consequently, individual applications need to manipulate the values in tcl_platform (along
with the output of system specific utilities) - which is both inconvenient for developers,
and introduces the potential for inconsistencies in identifying architectures and in nam-
ing conventions.
The platform package prevents such fragmentation - i.e., it establishes a standard naming
convention for architectures running Tcl and makes it more convenient for developers to
identify the current architecture a Tcl program is running on.
COMMANDS
platform::identify
This command returns an identifier describing the platform the Tcl core is running
on. The returned identifier has the general format OS-CPU. The OS part of the iden-
tifier may contain details like kernel version, libc version, etc., and this infor-
mation may contain dashes as well. The CPU part will not contain dashes, making
the preceding dash the last dash in the result.
platform::generic
This command returns a simplified identifier describing the platform the Tcl core
is running on. In contrast to platform::identify it leaves out details like kernel
version, libc version, etc. The returned identifier has the general format OS-CPU.
platform::patterns identifier
This command takes an identifier as returned by platform::identify and returns a
list of identifiers describing compatible architectures.
KEYWORDS
operating system, cpu architecture, platform, architecture
platform 1.0.4 platform(n)
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On Apache
Under GNU General Public License
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