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 FREEBSD
atf-sh
ATF-SH(1) BSD General Commands Manual ATF-SH(1)
NAME
atf-sh [-s shell] -- interpreter for shell-based test programs
SYNOPSIS
atf-sh script
DESCRIPTION
atf-sh is an interpreter that runs the test program given in script after loading the atf-sh(3) library.
atf-sh is not a real interpreter though: it is just a wrapper around the system-wide shell defined by ATF_SHELL. atf-sh executes the inter-
preter, loads the atf-sh(3) library and then runs the script. You must consider atf-sh to be a POSIX shell by default and thus should not
use any non-standard extensions.
The following options are available:
-s shell Specifies the shell to use instead of the value provided by ATF_SHELL.
ENVIRONMENT
ATF_LIBEXECDIR Overrides the builtin directory where atf-sh is located. Should not be overridden other than for testing purposes.
ATF_PKGDATADIR Overrides the builtin directory where libatf-sh.subr is located. Should not be overridden other than for testing purposes.
ATF_SHELL Path to the system shell to be used in the generated scripts. Scripts must not rely on this variable being set to select a
specific interpreter.
EXAMPLES
Scripts using atf-sh(3) should start with:
#! /usr/bin/env atf-sh
Alternatively, if you want to explicitly choose a shell interpreter, you cannot rely on env(1) to find atf-sh. Instead, you have to hardcode
the path to atf-sh in the script and then use the -s option afterwards as a single parameter:
#! /path/to/bin/atf-sh -s/bin/bash
ENVIRONMENT
ATF_SHELL Path to the system shell to be used in the generated scripts.
SEE ALSO
atf-sh(3)
BSD
September 27, 2014 BSD