Variable: async-shell-command-width
async-shell-command-width is a customizable variable defined in
simple.el.gz.
Value
nil
Documentation
Number of display columns available for asynchronous shell command output.
If nil, use the shell default number (usually 80 columns). If a positive integer, tell the shell to use that number of columns for command output.
This variable was added, or its default value changed, in Emacs 27.1.
Probably introduced at or before Emacs version 27.1.
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(defcustom async-shell-command-width nil
"Number of display columns available for asynchronous shell command output.
If nil, use the shell default number (usually 80 columns).
If a positive integer, tell the shell to use that number of columns for
command output."
:type '(choice (const :tag "Use system limit" nil)
(integer :tag "Fixed width" :value 80))
:group 'shell
:version "27.1")