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;;;; main.lisp -- oneliners.cli entrypoint
(defpackage oneliners.cli
(:use :cl))
(in-package :oneliners.cli)
;;; UTILITIES
(defun parent-process-name ()
"Prints the name of the parent process of the current process."
(let ((ppidfile (format nil "/proc/~a/status" (osicat-posix:getppid))))
(first (last
(ppcre:split "\\s"
(with-open-file (input ppidfile)
(read-line input)))))))
(defun run-with-shell
(command
&key
(shell-name (parent-process-name))
(await-output-p t)
(output-stream *standard-output*))
(let ((shell
(uiop:launch-program shell-name :input :stream :output :stream)))
(write-line command (uiop:process-info-input shell))
(finish-output (uiop:process-info-input shell))
(when await-output-p
(loop until (listen (uiop:process-info-output shell)))
(loop while (listen (uiop:process-info-output shell))
do (princ (read-line (uiop:process-info-output shell)) output-stream)
(terpri output-stream)))))
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