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Full Discussion: Is writing shell scripts different than...
Top Forums Shell Programming and Scripting Is writing shell scripts different than... Post 87905 by cbkihong on Friday 28th of October 2005 09:20:30 PM
Old 10-28-2005
Quote:
Originally Posted by brentdeback
Will this interfere with how i learn each one? Are they similar in some ways?
No. They are totally different subjects. The only similarity I can think of is that their source files are both text files, of different syntax of course.

QBasic is a programming language (however simple and primitive it is). Shell scripting is more suitable as "glues" to tie separate external programs together to perform some tasks.

Quote:
I already took a unix course based on the commands and it was easy, but now i have to create programs. Also, how long does it normally take until a newbie will be able to design successful programs? Thanks.
That depends on your pace of learning and what kind of programs you will call as "successful". Because of the nature of shell scripting, usually you are not writing just the shell scripting code, but also external commands as well. How well you know the command line syntax and behaviour of each command you will use should also count towards your criteria for "successful", I think.
 

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LEARN ABOUT OSX

platform::shell

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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