ffsave problems

Dear R friends.
After having some troubles learning how to create a ffdf object, now I find
myself having problems saving it.

this is the data i?d like to save:
str(DATA)
List of 3
  $ virtual: 'data.frame': 6 obs. of  7 variables:
  .. $ VirtualVmode     : chr  "double" "short" "integer" "integer" ...
  .. $ AsIs             : logi  FALSE FALSE FALSE FALSE FALSE FALSE
  .. $ VirtualIsMatrix  : logi  FALSE FALSE FALSE FALSE FALSE FALSE
  .. $ PhysicalIsMatrix : logi  FALSE FALSE FALSE FALSE FALSE FALSE
  .. $ PhysicalElementNo: int  1 2 3 4 5 6
  .. $ PhysicalFirstCol : int  1 1 1 1 1 1
  .. $ PhysicalLastCol  : int  1 1 1 1 1 1
  .. - attr(*, "Dim")= int  65640757 6
  .. - attr(*, "Dimorder")= int  1 2
  $ physical: List of 6
  .. $ fecha    : list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "double"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "clone"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/clone10d86b45b04.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "ramclass")= chr "Date"
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  .. $ juliano  : list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "short"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "ff"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/ff10d829d36fc8.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  .. $ altura   : list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "integer"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "ff"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/ff10d8dcd2eca.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  .. $ UTM.E    : list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "integer"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "ff"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/ff10d833f74cfa.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  .. $ UTM.N    : list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "integer"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "ff"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/ff10d85124f1a.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  .. $ fire_ocur: list()
  ..  ..- attr(*, "physical")=Class 'ff_pointer' <externalptr>
  ..  .. ..- attr(*, "vmode")= chr "byte"
  ..  .. ..- attr(*, "maxlength")= int 65640757
  ..  .. ..- attr(*, "pattern")= chr "ff"
  ..  .. ..- attr(*, "filename")= chr
"C:/Users/ADMIN-~1/AppData/Local/Temp/RtmpqmcfGU/ff10d824ef517f.ff"
  ..  .. ..- attr(*, "pagesize")= int 65536
  ..  .. ..- attr(*, "finalizer")= chr "delete"
  ..  .. ..- attr(*, "finonexit")= logi TRUE
  ..  .. ..- attr(*, "readonly")= logi FALSE
  ..  .. ..- attr(*, "caching")= chr "mmnoflush"
  ..  ..- attr(*, "virtual")= list()
  ..  .. ..- attr(*, "Length")= int 65640757
  ..  .. ..- attr(*, "Symmetric")= logi FALSE
  ..  .. ..- attr(*, "class")= chr "virtual"
  .. .. - attr(*, "class") =  chr [1:2] "ff_vector" "ff"
  $ row.names:  NULL
- attributes: List of 2
  .. $ names: chr [1:3] "virtual" "physical" "row.names"
  .. $ class: chr "ffdf"

the function I used to do this was:

*ffsave(DATA, file='//N7700PRO/Datos/Datos_Servidor_Lucas/DATA')*

this gives me the next error:

*Error in system(cmd, input = filelist, intern = TRUE) : 'zip' not found*

I found that I needed to have some kind of Zip and UnZip tool, this comes
in Rtools, so I installed the Rtools *Rtools215* because I have installed
the R.2.15.1 version.

ffsave problems

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