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Shell Programming and Scripting
Read and edit multiple files using a while loop
Post 302448836 by felipe.vinturin on Friday 27th of August 2010 06:28:54 AM
08-27-2010
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LEARN ABOUT OSX
platform
platform(n) Tcl Bundled Packages platform(n) __________________________________________________________________________________________________________________________________________________ NAME
platform - System identification support code and utilities SYNOPSIS
package require platform ?1.0.4? platform::generic platform::identify platform::patterns identifier _________________________________________________________________ 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 naming con- ventions. 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 for- mat OS-CPU. The OS part of the identifier may contain details like kernel version, libc version, etc., and this information may con- tain 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 architec- tures. KEYWORDS
operating system, cpu architecture, platform, architecture platform 1.0.4 platform(n)