[Emacs] Respace Non-Forking Shell Command
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@ -131,9 +131,13 @@ Sets environment variables by starting a shell.
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(exec-path-from-shell-initialize)))))
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#+END_SRC
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** Non-Forking Shell Command To String
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Emacs' built in ~shell-command-to-string~ function has the downside that it forks a new shell process every time it is executed. This means that any shell startup cost is incurred when this function is called.
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Emacs' built in ~shell-command-to-string~ function has the downside that it
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forks a new shell process every time it is executed. This means that any shell
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startup cost is incurred when this function is called.
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The following implementation uses eshell's ~eshell-search-path~ to find the binary (which is the only reason ~shell-comand-to-string~ is typically used anyway), but it avoids incurring any shell-startup cost.
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The following implementation uses eshell's ~eshell-search-path~ to find the
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binary (which is the only reason ~shell-comand-to-string~ is typically used
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anyway), but it avoids incurring any shell-startup cost.
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This was originally inspired by [[https://github.com/bbatsov/projectile/issues/1044][this issue]].
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#+BEGIN_SRC emacs-lisp
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