babel: R: Unify R write-to-file expressions

* ob-R.el (org-babel-R-write-object-command): New unified R
    command for writing results to file
    (org-babel-R-wrapper-method): Remove variable
    (org-babel-R-wrapper-lastvar): Remove variable
    (org-babel-R-evaluate-external-process): Use new R command
    (org-babel-R-evaluate-session): Use new R command
This commit is contained in:
Dan Davison 2010-08-28 08:52:37 -04:00
parent 08cdd05579
commit fcfba8d487
1 changed files with 11 additions and 12 deletions

View File

@ -217,9 +217,7 @@ current code buffer."
(defvar org-babel-R-eoe-indicator "'org_babel_R_eoe'")
(defvar org-babel-R-eoe-output "[1] \"org_babel_R_eoe\"")
(defvar org-babel-R-wrapper-method "main <- function ()\n{\n%s\n}
write.table(main(), file=\"%s\", sep=\"\\t\", na=\"nil\",row.names=%s, col.names=%s, quote=FALSE)")
(defvar org-babel-R-wrapper-lastvar "write.table(.Last.value, file=\"%s\", sep=\"\\t\", na=\"nil\",row.names=%s, col.names=%s, quote=FALSE)")
(defvar org-babel-R-write-object-command "{function(object, transfer.file) {invisible(if(inherits(try(write.table(object, file=transfer.file, sep=\"\\t\", na=\"nil\",row.names=%s, col.names=%s, quote=FALSE), silent=TRUE),\"try-error\")) {if(!file.exists(transfer.file)) file.create(transfer.file)})}}(object=%s, transfer.file=\"%s\")")
(defun org-babel-R-evaluate
(session body result-type column-names-p row-names-p)
@ -240,12 +238,13 @@ last statement in BODY, as elisp."
(value
(let ((tmp-file (org-babel-temp-file "R-results-")))
(org-babel-eval org-babel-R-command
(format org-babel-R-wrapper-method
body tmp-file
(format org-babel-R-write-object-command
(if row-names-p "TRUE" "FALSE")
(if column-names-p
(if row-names-p "NA" "TRUE")
"FALSE")))
"FALSE")
(format "{function ()\n{\n%s\n}}()" body)
tmp-file))
(org-babel-R-process-value-result
(org-babel-import-elisp-from-file
(org-babel-maybe-remote-file tmp-file) '(16)) column-names-p)))
@ -267,12 +266,12 @@ last statement in BODY, as elisp."
(let ((tmp-file (org-babel-temp-file "R-")))
(org-babel-comint-eval-invisibly-and-wait-for-file
session (org-babel-maybe-remote-file tmp-file)
(format org-babel-R-wrapper-lastvar
tmp-file
(if row-names-p "TRUE" "FALSE")
(if column-names-p
(if row-names-p "NA" "TRUE")
"FALSE"))
(format org-babel-R-write-object-command
(if row-names-p "TRUE" "FALSE")
(if column-names-p
(if row-names-p "NA" "TRUE")
"FALSE")
".Last.value" tmp-file))
(org-babel-R-process-value-result
(org-babel-import-elisp-from-file
(org-babel-maybe-remote-file tmp-file) '(16)) column-names-p)))