* access command line (arguments) from emacs --script
@ 2010-07-26 13:39 Terrence Brannon
2010-07-26 20:11 ` David Kastrup
0 siblings, 1 reply; 2+ messages in thread
From: Terrence Brannon @ 2010-07-26 13:39 UTC (permalink / raw)
To: help-gnu-emacs
Hello, I am interested in accessing the arguments passed to an emacs
script.
I am interested in either:
(a) accessing what would be $1 to a shell program, in other words
./emacs-script.el 'here is dollar one... how does emacs get it'
(b) accessing an argument specified as an argument either in long or
short format:
./emacs-script.el --argument 'here is the argument .. how to get with
emacs'
I have written my entire program below. I just need to know how to get
command line arguments.
#!/bin/env emacs --script
(open-file "edan.el")
(search-forward "(provide 'edan)")
(move-beginning-of-line)
(open-line 2)
;;; option a
;;; prepend-edan.el `script-to-generate-text`
(insert $ARGV[0])
;;; option b
;;; prepend-edan.el --text `script-to-generate-text`
(insert $ARG['text'])
By the way, I found the manual (
http://www.gnu.org/software/emacs/elisp/html_node/Command_002dLine-Arguments.html
) to be confusing. Why is the handler function for the command-switch-
alist only passed the name of the option? How does it get the value of
the option?
Why is command-line args a list? How are you supposed to access the
arguments by name if this is just a list of the arguments.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: access command line (arguments) from emacs --script
2010-07-26 13:39 access command line (arguments) from emacs --script Terrence Brannon
@ 2010-07-26 20:11 ` David Kastrup
0 siblings, 0 replies; 2+ messages in thread
From: David Kastrup @ 2010-07-26 20:11 UTC (permalink / raw)
To: help-gnu-emacs
Terrence Brannon <metaperl@gmail.com> writes:
> Hello, I am interested in accessing the arguments passed to an emacs
> script.
>
> I am interested in either:
> (a) accessing what would be $1 to a shell program, in other words
>
> ./emacs-script.el 'here is dollar one... how does emacs get it'
(pop argv)
> (b) accessing an argument specified as an argument either in long or
> short format:
>
> ./emacs-script.el --argument 'here is the argument .. how to get with
> emacs'
The interpretation is up to you. Argument processing is positioned
after emacs-script.el.
If argv is not yet available in your version of Emacs, you might have to
use command-line-args-left instead.
--
David Kastrup
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-07-26 13:39 access command line (arguments) from emacs --script Terrence Brannon
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