fix: change open mode to allow file manipulation with an offset

sgibb · Feb 12, 2020 · bee3701 · bee3701
1 parent ab68cbf
commit bee3701
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/R/OnDiskVector-class.R b/R/OnDiskVector-class.R
@@ -122,7 +122,7 @@ setReplaceMethod(f="[",
     if (length(value) != x@n) {
         stop("Length of 'value' doesn't match length of 'x'.")
     }
-    f <- file(x@path, "wb")
+    f <- file(x@path, "r+b")
     on.exit(close(f))
 
     if (x@offset)