-1

I am trying to escape some text for a shell command, but i am gettig stuck with this error.

Not enough arguments for format string

From what i can tell its trying to interpret the % symbols.

This snippet produce the error when i output the command, but its fine if i pass it to shell-command.

#+BEGIN_SRC emacs-lisp
(setq dc-str-addresses "{{printf \\\"%.30s\\\" .Name}}{{printf\\\"%.22s\\\" .IPAddress }}")
(message (format "test %s" dc-str-addresses))
#+END_SRC

Where as this one outputs fine, but give me %% when i pass it to shell-command so how can i make this work for both ? can i tell lisp to ignore the % symbols in my string ?

#+BEGIN_SRC emacs-lisp
(setq dc-str-addresses "{{printf \\\"%%.30s\\\" .Name}}{{printf \\\"%%.22s\\\" .IPAddress }}")
(message (format "test %s" dc-str-addresses))
#+END_SRC

#+RESULTS:
: test {{printf \"%.30s\" .Name}}{{printf \"%.22s\" .IPAddress }}

I am running the command through shell in this manner. (shell-command dc-str-addresses)

5
  • Can you show you are passing this to shell-command (every combination I've tried just gives me a syntax error)? Thanks!
    – Matt Innes
    Nov 3 '16 at 9:22
  • (shell-command dc-str-addresses) Thats all i am doing when you say it produces a syntax error do you mean shell is ? because the above is not valid shell command but it should error and show you the command it was trying to run thats how i can see when there is %% in the result.
    – Oly
    Nov 3 '16 at 10:52
  • I can't actually figure out what your question is, but you should probably take a look at C-h f message because you're not using it correctly.
    – phils
    Nov 3 '16 at 11:10
  • Thanks, your exactly right if you want to make that an answer I will happily accept it. (message "%s" dc-str-addresses) is exactly what i needed
    – Oly
    Nov 3 '16 at 11:49
  • Your question title and your accepted answer, and thus your actual question, are asking different things. (-1)
    – mihai
    Dec 11 '19 at 12:17
3

Instead of:

(message (format "test %s" dc-str-addresses))

You want:

(message "test %s" dc-str-addresses)

message accepts the same arguments as format:

(message FORMAT-STRING &rest ARGS)

The first argument is a format control string, and the rest are data to be formatted under control of the string. See `format' for details.

Note: Use (message "%s" VALUE) to print the value of expressions and variables to avoid accidentally interpreting `%' as format specifiers.

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