diff --git a/LIBTOOLS/tools/lfi2cdf/src/lfi2cdf.f90 b/LIBTOOLS/tools/lfi2cdf/src/lfi2cdf.f90
index a66cc2cf4f36caec4e25ca9cdcfaefd32a5693c1..e6e58e46b41941c0aa766a5c4d4f8c09f5bae5ce 100644
--- a/LIBTOOLS/tools/lfi2cdf/src/lfi2cdf.f90
+++ b/LIBTOOLS/tools/lfi2cdf/src/lfi2cdf.f90
@@ -23,15 +23,15 @@ program LFI2CDF
   call read_commandline(options,hinfile,houtfile,runmode)
 
   CALL OPEN_FILES(infiles, outfiles, hinfile, houtfile, nbvar_infile, options, runmode)
-  IF (options(OPTLIST)%set) return
+  IF (options(OPTLIST)%set) STOP
 
   IF (runmode == MODELFI2CDF .OR. runmode == MODECDF2CDF) THEN
      IF (options(OPTVAR)%set) THEN
         ! nbvar_tbr is computed from number of requested variables
         ! by counting commas, = and +
-        nbvar_tbr  = 0
+        nbvar_tbr  = 1
         nbvar_calc = 0
-        nbvar_tbw = 0
+        nbvar_tbw = 1
         hvarlist = options(OPTVAR)%cvalue
         DO ji=1,len(hvarlist)
            IF (hvarlist(ji:ji) == ',' .OR.hvarlist(ji:ji) == '+') THEN
diff --git a/LIBTOOLS/tools/lfi2cdf/src/mode_options.f90 b/LIBTOOLS/tools/lfi2cdf/src/mode_options.f90
index eeded3e0f22c36becd78b61034416114784fcd95..af1a84ad8e035b6cedae35f8f0db771ddb3ad84f 100644
--- a/LIBTOOLS/tools/lfi2cdf/src/mode_options.f90
+++ b/LIBTOOLS/tools/lfi2cdf/src/mode_options.f90
@@ -80,7 +80,6 @@ subroutine read_commandline(options,hinfile,houtfile,runmode)
 
   call check_options(options,hinfile,runmode)
 
-  houtfile = options(OPTOUTPUT)%cvalue
 
   !Remove level in the filename if merging LFI splitted files
   if (.NOT.options(OPTOUTPUT)%set) then
@@ -103,6 +102,8 @@ subroutine read_commandline(options,hinfile,houtfile,runmode)
        end if
        houtfile=houtfile(1:len(houtfile)-ji)
     end if
+  else
+    houtfile = options(OPTOUTPUT)%cvalue
   end if
 
 end subroutine read_commandline
diff --git a/LIBTOOLS/tools/lfi2cdf/src/mode_util.f90 b/LIBTOOLS/tools/lfi2cdf/src/mode_util.f90
index e82a477e99c3359ce850ef44f0b6584096cd7a1d..63c87d058a0d3aaa9be705b922c973b03d861b30 100644
--- a/LIBTOOLS/tools/lfi2cdf/src/mode_util.f90
+++ b/LIBTOOLS/tools/lfi2cdf/src/mode_util.f90
@@ -121,7 +121,6 @@ CONTAINS
 
     IF (infiles%files(1)%format == LFI_FORMAT) THEN
       ilu = infiles%files(1)%lun_id
-
       CALL FMREADLFIN1(ilu,'JPHEXT',JPHEXT,iresp)
       IF (iresp /= 0) JPHEXT=1
 
@@ -187,7 +186,7 @@ CONTAINS
         tpreclist(ji)%found  = .FALSE.
         tpreclist(ji)%calc   = .FALSE. !By default variables are not computed from others
         tpreclist(ji)%tbw    = .TRUE.  !By default variables are written
-        tpreclist(ji)%tbr    = .TRUE.  !By default variables are written
+        tpreclist(ji)%tbr    = .TRUE.  !By default variables are read
         tpreclist(ji)%src(:) = -1
         tpreclist(ji)%tgt    = -1
       END DO
@@ -198,8 +197,8 @@ CONTAINS
        DO ji=1,nbvar_tbw
           !crash compiler GCC 4.2.0: nde = INDEX(TRIM(options(OPTVAR)%cvalue(ndb:)),',')
           nde = INDEX(TRIM(options(OPTVAR)%cvalue(ndb:len(trim(options(OPTVAR)%cvalue)))),',')
+          IF (nde == 0) nde = LEN( TRIM(options(OPTVAR)%cvalue(ndb:len(trim(options(OPTVAR)%cvalue)))) ) + 1
           yrecfm = options(OPTVAR)%cvalue(ndb:ndb+nde-2)
-
           !Detect operations on variables (only + is supported now)
           ndey = INDEX(TRIM(yrecfm),'=')
           idx = 1
@@ -293,7 +292,6 @@ CONTAINS
        END DO
 
        maxvar = nbvar_tbr+nbvar_calc
-
 DO ji=1,nbvar_tbr+nbvar_calc
   print *,ji,'name=',trim(tpreclist(ji)%name),' calc=',tpreclist(ji)%calc,' tbw=',tpreclist(ji)%tbw,&
           ' tbr=',tpreclist(ji)%tbr,' found=',tpreclist(ji)%found
@@ -752,17 +750,17 @@ END DO
          IF (.NOT.tpreclist(ji)%calc) THEN
            CALL LFINFO(iresp,ilu,trim(tpreclist(ji)%name)//trim(suffix),ileng,ipos)
            CALL LFILEC(iresp,ilu,trim(tpreclist(ji)%name)//trim(suffix),iwork,ileng)
-           itab(1:extent) = iwork(3+iwork(2):)
+           itab(1:extent) = iwork(3+iwork(2):3+iwork(2)+extent-1)
          ELSE
            src=tpreclist(ji)%src(1)
            CALL LFINFO(iresp,ilu,trim(tpreclist(src)%name)//trim(suffix),ileng,ipos)
            CALL LFILEC(iresp,ilu,trim(tpreclist(src)%name)//trim(suffix),iwork,ileng)
-           itab(1:extent) = iwork(3+iwork(2):)
+           itab(1:extent) = iwork(3+iwork(2):3+iwork(2)+extent-1)
            jj = 2
            DO WHILE (tpreclist(ji)%src(jj)>0 .AND. jj.LE.MAXRAW)
              src=tpreclist(ji)%src(jj)
              CALL LFILEC(iresp,ilu,trim(tpreclist(src)%name)//trim(suffix),iwork,ileng)
-             itab(1:extent) = itab(1:extent) + iwork(3+iwork(2):)
+             itab(1:extent) = itab(1:extent) + iwork(3+iwork(2):3+iwork(2)+extent-1)
              jj=jj+1
            END DO
          ENDIF
@@ -914,6 +912,10 @@ END DO
 
        CASE (TEXT)
         IF (infiles%files(1)%format == LFI_FORMAT) THEN
+#if LOWMEM
+         CALL LFINFO(iresp,ilu,trim(tpreclist(ji)%name)//trim(suffix),ileng,ipos)
+         CALL LFILEC(iresp,ilu,trim(tpreclist(ji)%name)//trim(suffix),iwork,ileng)
+#endif
          ALLOCATE(ytab(extent))
          DO jj=1,extent
 #if LOWMEM
@@ -1155,7 +1157,7 @@ END DO
     INTEGER         , INTENT(IN)  :: runmode
 
     INTEGER                     :: extindex
-    INTEGER(KIND=LFI_INT)       :: iresp,iverb,inap,inaf
+    INTEGER(KIND=LFI_INT)       :: ilu,iresp,iverb,inap,inaf
     INTEGER                     :: idx,status
     CHARACTER(LEN=4)            :: ypextsrc, ypextdest
     LOGICAL                     :: fexist
@@ -1172,15 +1174,16 @@ END DO
        infiles%files(idx)%lun_id = 11
        infiles%files(idx)%format = LFI_FORMAT
        infiles%files(idx)%status = READING
-       CALL LFIOUV(iresp,infiles%files(idx)%lun_id,ltrue,hinfile,'OLD',lfalse&
+       ilu = infiles%files(idx)%lun_id
+       CALL LFIOUV(iresp,ilu,ltrue,hinfile,'OLD',lfalse&
             & ,lfalse,iverb,inap,inaf)
        infiles%files(idx)%opened  = .TRUE.
 
        nbvar_infile = inaf
 
        IF (options(OPTLIST)%set) THEN
-          CALL LFILAF(iresp,infiles%files(idx)%lun_id,lfalse)
-          CALL LFIFER(iresp,infiles%files(idx)%lun_id,'KEEP')
+          CALL LFILAF(iresp,ilu,lfalse)
+          CALL LFIFER(iresp,ilu,'KEEP')
           return
        END IF
 
@@ -1191,9 +1194,9 @@ END DO
          outfiles%files(idx)%format = NETCDF_FORMAT
          outfiles%files(idx)%status = WRITING
          IF (options(OPTCDF4)%set) THEN
-            status = NF90_CREATE(houtfile, IOR(NF90_CLOBBER,NF90_NETCDF4), outfiles%files(idx)%lun_id)
+            status = NF90_CREATE(TRIM(houtfile)//'.nc', IOR(NF90_CLOBBER,NF90_NETCDF4), outfiles%files(idx)%lun_id)
          ELSE
-            status = NF90_CREATE(houtfile, IOR(NF90_CLOBBER,NF90_64BIT_OFFSET), outfiles%files(idx)%lun_id)
+            status = NF90_CREATE(TRIM(houtfile)//'.nc', IOR(NF90_CLOBBER,NF90_64BIT_OFFSET), outfiles%files(idx)%lun_id)
          END IF
        
          IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
@@ -1264,12 +1267,12 @@ END DO
        outfiles%files(idx)%lun_id = 11
        outfiles%files(idx)%format = LFI_FORMAT
        outfiles%files(idx)%status = WRITING
-       CALL LFIOUV(iresp,outfiles%files(idx)%lun_id,ltrue,houtfile,'NEW'&
-            & ,lfalse,lfalse,iverb,inap,inaf)
+       ilu = outfiles%files(idx)%lun_id
+       CALL LFIOUV(iresp,ilu,ltrue,houtfile,'NEW' ,lfalse,lfalse,iverb,inap,inaf)
        outfiles%files(idx)%opened  = .TRUE.
     END IF
 
-    PRINT *,'--> Fichier converti : ', houtfile
+    PRINT *,'--> Fichier converti : ', TRIM(houtfile)
 
   END SUBROUTINE OPEN_FILES
 
@@ -1342,7 +1345,7 @@ END DO
       outfiles%files(idx)%var_id = ji
 
       IF (options(OPTCDF4)%set) THEN
-        filename = trim(houtfile)//'.'//trim(tpreclist(ji)%name)//'.nc4'
+        filename = trim(houtfile)//'.'//trim(tpreclist(ji)%name)//'.nc'
         status = NF90_CREATE(trim(filename), IOR(NF90_CLOBBER,NF90_NETCDF4), outfiles%files(idx)%lun_id)
       ELSE
         filename = trim(houtfile)//'.'//trim(tpreclist(ji)%name)//'.nc'
@@ -1366,14 +1369,15 @@ END DO
   SUBROUTINE CLOSE_FILES(filelist)
     TYPE(filelist_struct),INTENT(INOUT) :: filelist
     
-    INTEGER(KIND=LFI_INT) :: iresp
+    INTEGER(KIND=LFI_INT) :: ilu,iresp
     INTEGER               :: ji,status
 
     DO ji=1,filelist%nbfiles
       IF ( .NOT.filelist%files(ji)%opened ) CYCLE
 
       IF ( filelist%files(ji)%format == LFI_FORMAT ) THEN
-        CALL LFIFER(iresp,filelist%files(ji)%lun_id,'KEEP')
+        ilu = filelist%files(ji)%lun_id
+        CALL LFIFER(iresp,ilu,'KEEP')
       ELSE IF ( filelist%files(ji)%format == NETCDF_FORMAT ) THEN
         status = NF90_CLOSE(filelist%files(ji)%lun_id)
         IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
diff --git a/src/Makefile.MESONH.mk b/src/Makefile.MESONH.mk
index f60e957894d62beb25a5e7b840630d1ac7d01f91..a35dc5bafb2ad8a08918ce484400bb0dbf544cd6 100644
--- a/src/Makefile.MESONH.mk
+++ b/src/Makefile.MESONH.mk
@@ -203,7 +203,7 @@ INC_TOOLS  += -I$(B)$(DIR_TOOLS)
 DIR_MASTER += $(DIR_TOOLS)
 INC        += $(INC_TOOLS)
 VPATH      += $(DIR_TOOLS)
-#CPPFLAGS   += -DLOWMEM
+CPPFLAGS   += -DLOWMEM
 endif
 ##########################################################
 #           Source MPIVIDE                               #