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(define-module (bs shell)
#:use-module ((ice-9 popen) #:prefix popen/)
#:use-module ((ice-9 rdelim) #:prefix rdelim/)
#:use-module ((ice-9 ftw) #:prefix ftw/)
#:export (exec
stream
pwd
ls
cd))
(define (exec cmd)
(let* ((port (popen/open-input-pipe cmd))
(ret (rdelim/read-string port)))
(popen/close-pipe port)
ret))
(define (stream cmd)
(let* ((port (popen/open-input-pipe cmd))
(_ (setvbuf port 'none))
(ret (rdelim/read-string port)))
(flush-all-ports)
(popen/close-pipe port)
ret))
(define pwd getcwd)
(define (ls)
(ftw/scandir (getcwd)))
(define (cd path)
(chdir path)
(ls))
;; run shell commands with #$"cmd args"
;; #$"who"
;; ben tty7 2022-11-07 20:31 (:0)
(read-hash-extend
#\$
(lambda (c port)
(let ((input (read port)))
;; todo:
;; - parse input for #{interpolations}
;; - evaluate scheme code inside the blocks
;; - then exec this
`(exec ,input))))
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