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If I'm in eshell I can run elisp commands cause I'm in an elisp runtime
(mapcar (lambda (x) (* x 3)) (list 1 2 3))
(3 6 9)
I can also run "shell" commands such as git status. But what if I wanted to take the output of my git status and pass it into a mapcar. How would I do that?
For something simple, shell-command-to-string may suffice. For something more complicated where the output needs to be modified, searched, etc., then something more elaborate may needed e.g., set-process-sentinel; start-process; set-process-filter, etc. and then take the result and plug it in. The following example will return t because the output of git status has been converted to a string using shell-command-to-string and the output in the example is tested with stringp.
(let ((result (shell-command-to-string "git status")))
(stringp result))
(let ((result (shell-command-to-string "git status"))) (stringp result))That example will returntat the eshell command prompt. In terms of plugging that into your example, more details would be needed to know whether the result needs to be converted to a list for the SEQUENCE argument ofmapcaror whether it would be plugged into the FUNCTION argument ofmapcar. – lawlist Jun 26 '17 at 22:28shell-command-to-stringseems to be what I needed (I'm just going to split by newline) Thanks! If you move it to an answer I'll mark it as answered. – George Mauer Jun 26 '17 at 22:36