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Full Discussion: Return shell value to a VI macro
Top Forums UNIX for Dummies Questions & Answers Return shell value to a VI macro Post 302211736 by sjdolding on Friday 4th of July 2008 06:28:00 AM
Old 07-04-2008
Return shell value to a VI macro
Hi,

Have searched around for a solution to this and get frustrating close but have not nailed it.

vi on HP-UX

what I'm trying to do is utilise the key mapping available within Vi to run a shell script which uses awk script to scan the file i'm working on and return the line number or unique pattern (could go either way but the principle im trying to achieve is pass a value back so that vi macro can then utilise it)

The closest ive got via Google is

The most powerful macros, however, are created using programs combined
into shell scripts (or DOS batch files), and acting as filters on the text
sent to them from within vi. Such shell scripts or programs must take standard
input and send results to standard output (which most UNIX tools do).

but guess what no example! I've tried more in hope than expectation to set a map command as follows:

map ^[[O ^[: !line_test^M

where line_test is hard coded to echo out a line number which then can but as expected all it does is echo out the line number and is not interpreted as the line number I wanted to go to.

I subsequently modified the script to exit with a value and then tried to use $?

map ^[[O :!line_test : ^[: $?^M

but get error badly formatted address

any help greatly appreciated.
 

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LEARN ABOUT CENTOS

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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