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;;======================================================================
;; E N V I R O N M E N T V A R S
;;======================================================================
(define (save-environment-as-files fname #!key (ignorevars (list "USER" "HOME" "DISPLAY" "LS_COLORS" "XKEYSYMDB" "EDITOR" "MAKEFLAGS" "MAKEF" "MAKEOVERRIDES")))
(let ((envvars (get-environment-variables))
(whitesp (regexp "[^a-zA-Z0-9_\\-:,.\\/%$]")))
(whitesp (regexp "[^a-zA-Z0-9_\\-:,.\\/%$]"))
(mungeval (lambda (val)
(cond
((eq? val #t) "") ;; convert #t to empty string
((eq? val #f) #f) ;; convert #f to itself (still thinking about this one
(else val)))))
(with-output-to-file (conc fname ".csh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (member key ignorevars)
"# setenv "
"setenv ")
key " " delim val delim)))
key " " delim (mungeval val) delim)))
envvars)))
(with-output-to-file (conc fname ".sh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (member key ignorevars)
"# export "
"export ")
key "=" delim val delim)))
key "=" delim (mungeval val) delim)))
envvars)))))
;; set some env vars from an alist, return an alist with original values
;; (("VAR" "value") ...)
(define (alist->env-vars lst)
(if (list? lst)
(let ((res '()))
|