Re: emacsclient commandline

[rustom <rustompmody@gmail.com>]

On Sep 11, 10:45 pm, Oleksandr Gavenko <gaven...@gmail.com> wrote:
> Rustom Mody wrote:
> > I am trying to construct a command line such that:
>
> > if emacs is running the client asks the server to raise-frame else it
> > calls runemacs.
>
> > The command line Ive given is:
> > $ emacsclient -a runemacs -e "(raise-frame)"
>
> > But this opens a file (or buffer) called '(raise-frame)'  !!
>
> > Of course just
> > $ emacsclient -e "(raise-frame)"
>
> > raises the emacs frame alright but fails for the case of no server.
>
> > Another minor point:
> > When emacsclient is used with the -a option and there is no server
> > running it pops up a window saying ERROR No error !!
> > I guess this is an error (in emacsclient) :-)
>
> > Starting from the vbs file on the emacswiki Ive constructed my own
> > launch-emacs as below but I dont like the loop and the sql and all the
> > heavy stuff, hence this attempt.
>
> > My launch-emacs-client.vbs
> > ------------------------
> > Set objShell = WScript.CreateObject("WScript.Shell")
> > Set fso = CreateObject("Scripting.FileSystemObject")
>
> > strComputer = "."
>
> > Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
>
> > Set colItems = objWMIService.ExecQuery("Select * From Win32_Process")
> > Dim isRunning
> > isRunning = False
>
> > For Each objItem in colItems
> >   If InStr(objItem.CommandLine, "emacs.exe") Then
> >     isRunning = True
> >   End If
> > Next
>
> > parent = fso.GetParentFolderName(WScript.ScriptFullName)
> > If WScript.Arguments.Count = 1 Then
> >   If isRunning Then
> >     callString = parent & "/emacsclientw.exe -n """ &
> > WScript.Arguments(0) & """"
> >   Else
> >     callString = parent & "/runemacs.exe """ & WScript.Arguments(0) & """"
> >   End If
> > Else
> >   If isRunning Then
> >     callString = parent & "/emacsclientw.exe -n -e ""(raise-frame)"""
> >   else
> >     callString = parent & "/runemacs.exe"
> >   End If
> > End if
> > objShell.Run(callString)
>
> On Windows I wrote e.bat. Usually at Total Commander or Far file manager
>   I find file by cursor, type e<space><CTRL+Enter> and emacs popup with
> opened file (if it already not opened I get error and quickly type
> <Enter>). As for me `--no-wait' very useful not needed type C-x # and I
> can come back to the opened file later typing C-x b.
>
> @echo off
> REM Copyright (C) 2008 by Oleksandr Gavenko <gavenk...@gmail.com>
>
> REM View file in emacs buffer using emacsclientw.
> REM If emacs not already running, run it.
> REM Put this file (e.bat) in your PATH.
> REM Name `e' because `edit'.
>
> if "%1" == "-h"     goto usage
> if "%1" == "-help"  goto usage
> if "%1" == "--help" goto usage
>
> %HOME%\..\bin\emacs\bin\emacsclientw.exe -a emacs -n "%*"
> goto EOF
>
> :usage
> @echo Win emacs run script.
> @echo Usage
> @echo e [-h^|--help] ^<edit-files^>
>
> :EOF

The emacs-wiki code is better because it does not 'error'
And my code is better because it does something useful in all 4 cases:
(with and without file argument; with and without emacs server
running)

My question was basically about some way of making the VBS code more
efficient and shorter.