diff --git a/all.sas b/all.sas
index bb48e05..f3bb790 100644
--- a/all.sas
+++ b/all.sas
@@ -3470,8 +3470,8 @@ run;
   @details Reads in a file byte by byte and writes it back out.  Is an
   os-independent method to copy files.  In case of naming collision, the
   default filerefs can be modified.
-  Based on:
-  https://stackoverflow.com/questions/13046116/using-sas-to-copy-a-text-file
+  Note that if you have a new enough version of SAS, and you don't need features
+  such as APPEND, you may be better of using the fcopy() function instead.
 
         %mp_binarycopy(inloc="/home/me/blah.txt", outref=_webout)
 
@@ -3511,14 +3511,9 @@ run;
     ,outref=____out /* override default to use own filerefs */
     ,mode=CREATE
 )/*/STORE SOURCE*/;
-  %local mod outmode;
-  %if &mode=APPEND %then %do;
-    %let mod=mod;
-    %let outmode='a';
-  %end;
-  %else %do;
-    %let outmode='o';
-  %end;
+  %local mod;
+  %if &mode=APPEND %then %let mod=mod;
+
   /* these IN and OUT filerefs can point to anything */
   %if &inref = ____in %then %do;
     filename &inref &inloc lrecl=1048576 ;
@@ -3529,25 +3524,21 @@ run;
 
   /* copy the file byte-for-byte  */
   data _null_;
-    length filein 8 fileid 8;
-    filein = fopen("&inref",'I',1,'B');
-    fileid = fopen("&outref",&outmode,1,'B');
-    rec = '20'x;
-    do while(fread(filein)=0);
-      rc = fget(filein,rec,1);
-      rc = fput(fileid, rec);
-      rc =fwrite(fileid);
-    end;
-    rc = fclose(filein);
-    rc = fclose(fileid);
+    infile &inref lrecl=1 recfm=n;
+    file &outref &mod recfm=n;
+    input sourcechar $char1. @@;
+    format sourcechar hex2.;
+    put sourcechar char1. @@;
   run;
+
   %if &inref = ____in %then %do;
     filename &inref clear;
   %end;
   %if &outref=____out %then %do;
     filename &outref clear;
   %end;
-%mend mp_binarycopy;/**
+%mend mp_binarycopy;
+/**
   @file
   @brief Splits a file of ANY SIZE by reference to a search string.
   @details Provide a fileref and a search string to chop off part of a file.
@@ -8817,22 +8808,18 @@ options
         "&&name&i"n /* name literal for reserved variable names */
       %end;
       %if &action=ARR %then "]" ; %else "}" ; ;
-    /* now write the long strings to _webout 1 byte at a time */
+    /* now write the long strings to _webout 1 char at a time */
     data _null_;
-      length filein 8 fileid 8;
-      filein=fopen("_sjs",'I',1,'B');
-      fileid=fopen("&jref",'A',1,'B');
-      rec='20'x;
-      do while(fread(filein)=0);
-        rc=fget(filein,rec,1);
-        rc=fput(fileid, rec);
-        rc=fwrite(fileid);
-      end;
-      /* close out the table */
-      rc=fput(fileid, "]");
-      rc=fwrite(fileid);
-      rc=fclose(filein);
-      rc=fclose(fileid);
+      infile _sjs lrecl=1 recfm=n;
+      file &jref mod lrecl=1 recfm=n;
+      input sourcechar $char1. @@;
+      format sourcechar hex2.;
+      put sourcechar char1. @@;
+    run;
+    /* close out the table */
+    data _null_;
+      file &jref mod;
+      put ']';
     run;
     filename _sjs clear;
   %end;
@@ -14066,7 +14053,7 @@ run;
       %mm_createfolder(path=/some/meta/folder)
 
   @param [in] path= Name of the folder to create.
-  @param [in] mdebug= set DBG to 1 to disable DEBUG messages
+  @param [in] mdebug= (0) Set to 1 to enable DEBUG messages
 
 
   @version 9.4
@@ -14932,7 +14919,8 @@ run;
   @file mm_createwebservice.sas
   @brief Create a Web Ready Stored Process
   @details This macro creates a Type 2 Stored Process with the mm_webout macro
-    included as pre-code.
+  (and dependencies) included as pre-code.
+
 Usage:
 
     %* compile macros ;
@@ -15197,22 +15185,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';
@@ -15424,7 +15408,7 @@ run;
   %if &x>1 %then %let mod=mod;
 
   %let fref=%scan(&freflist,&x);
-  %put &sysmacroname: adding &fref;
+  %&mD.put &sysmacroname: adding &fref;
   data _null_;
     file "&work/&tmpfile" lrecl=3000 &mod;
     infile &fref;
@@ -15460,13 +15444,11 @@ data _null_;
   if rc=0 then call symputx('url',url,'l');
 run;
 
-%put ;%put ;%put ;%put ;%put ;%put ;
 %put &sysmacroname: STP &name successfully created in &path;
-%put ;%put ;%put ;
 %put Check it out here:;
 %put ;%put ;%put ;
 %put &url?_PROGRAM=&path/&name;
-%put ;%put ;%put ;%put ;%put ;%put ;
+%put ;%put ;%put ;
 
 %mend mm_createwebservice;
 /**
@@ -19936,22 +19918,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';
@@ -22281,22 +22259,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';
diff --git a/base/mp_binarycopy.sas b/base/mp_binarycopy.sas
index abc7e91..b6b3d04 100755
--- a/base/mp_binarycopy.sas
+++ b/base/mp_binarycopy.sas
@@ -4,8 +4,8 @@
   @details Reads in a file byte by byte and writes it back out.  Is an
   os-independent method to copy files.  In case of naming collision, the
   default filerefs can be modified.
-  Based on:
-  https://stackoverflow.com/questions/13046116/using-sas-to-copy-a-text-file
+  Note that if you have a new enough version of SAS, and you don't need features
+  such as APPEND, you may be better of using the fcopy() function instead.
 
         %mp_binarycopy(inloc="/home/me/blah.txt", outref=_webout)
 
@@ -45,14 +45,9 @@
     ,outref=____out /* override default to use own filerefs */
     ,mode=CREATE
 )/*/STORE SOURCE*/;
-  %local mod outmode;
-  %if &mode=APPEND %then %do;
-    %let mod=mod;
-    %let outmode='a';
-  %end;
-  %else %do;
-    %let outmode='o';
-  %end;
+  %local mod;
+  %if &mode=APPEND %then %let mod=mod;
+
   /* these IN and OUT filerefs can point to anything */
   %if &inref = ____in %then %do;
     filename &inref &inloc lrecl=1048576 ;
@@ -63,22 +58,17 @@
 
   /* copy the file byte-for-byte  */
   data _null_;
-    length filein 8 fileid 8;
-    filein = fopen("&inref",'I',1,'B');
-    fileid = fopen("&outref",&outmode,1,'B');
-    rec = '20'x;
-    do while(fread(filein)=0);
-      rc = fget(filein,rec,1);
-      rc = fput(fileid, rec);
-      rc =fwrite(fileid);
-    end;
-    rc = fclose(filein);
-    rc = fclose(fileid);
+    infile &inref lrecl=1 recfm=n;
+    file &outref &mod recfm=n;
+    input sourcechar $char1. @@;
+    format sourcechar hex2.;
+    put sourcechar char1. @@;
   run;
+
   %if &inref = ____in %then %do;
     filename &inref clear;
   %end;
   %if &outref=____out %then %do;
     filename &outref clear;
   %end;
-%mend mp_binarycopy;
\ No newline at end of file
+%mend mp_binarycopy;
diff --git a/base/mp_jsonout.sas b/base/mp_jsonout.sas
index 5760613..924f333 100644
--- a/base/mp_jsonout.sas
+++ b/base/mp_jsonout.sas
@@ -234,22 +234,18 @@
         "&&name&i"n /* name literal for reserved variable names */
       %end;
       %if &action=ARR %then "]" ; %else "}" ; ;
-    /* now write the long strings to _webout 1 byte at a time */
+    /* now write the long strings to _webout 1 char at a time */
     data _null_;
-      length filein 8 fileid 8;
-      filein=fopen("_sjs",'I',1,'B');
-      fileid=fopen("&jref",'A',1,'B');
-      rec='20'x;
-      do while(fread(filein)=0);
-        rc=fget(filein,rec,1);
-        rc=fput(fileid, rec);
-        rc=fwrite(fileid);
-      end;
-      /* close out the table */
-      rc=fput(fileid, "]");
-      rc=fwrite(fileid);
-      rc=fclose(filein);
-      rc=fclose(fileid);
+      infile _sjs lrecl=1 recfm=n;
+      file &jref mod lrecl=1 recfm=n;
+      input sourcechar $char1. @@;
+      format sourcechar hex2.;
+      put sourcechar char1. @@;
+    run;
+    /* close out the table */
+    data _null_;
+      file &jref mod;
+      put ']';
     run;
     filename _sjs clear;
   %end;
diff --git a/meta/mm_createfolder.sas b/meta/mm_createfolder.sas
index 21892f4..5922d80 100644
--- a/meta/mm_createfolder.sas
+++ b/meta/mm_createfolder.sas
@@ -17,7 +17,7 @@
       %mm_createfolder(path=/some/meta/folder)
 
   @param [in] path= Name of the folder to create.
-  @param [in] mdebug= set DBG to 1 to disable DEBUG messages
+  @param [in] mdebug= (0) Set to 1 to enable DEBUG messages
 
 
   @version 9.4
diff --git a/meta/mm_createwebservice.sas b/meta/mm_createwebservice.sas
index 2c7e212..9285e5c 100644
--- a/meta/mm_createwebservice.sas
+++ b/meta/mm_createwebservice.sas
@@ -2,7 +2,8 @@
   @file mm_createwebservice.sas
   @brief Create a Web Ready Stored Process
   @details This macro creates a Type 2 Stored Process with the mm_webout macro
-    included as pre-code.
+  (and dependencies) included as pre-code.
+
 Usage:
 
     %* compile macros ;
@@ -267,22 +268,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';
@@ -494,7 +491,7 @@ run;
   %if &x>1 %then %let mod=mod;
 
   %let fref=%scan(&freflist,&x);
-  %put &sysmacroname: adding &fref;
+  %&mD.put &sysmacroname: adding &fref;
   data _null_;
     file "&work/&tmpfile" lrecl=3000 &mod;
     infile &fref;
@@ -530,12 +527,10 @@ data _null_;
   if rc=0 then call symputx('url',url,'l');
 run;
 
-%put ;%put ;%put ;%put ;%put ;%put ;
 %put &sysmacroname: STP &name successfully created in &path;
-%put ;%put ;%put ;
 %put Check it out here:;
 %put ;%put ;%put ;
 %put &url?_PROGRAM=&path/&name;
-%put ;%put ;%put ;%put ;%put ;%put ;
+%put ;%put ;%put ;
 
 %mend mm_createwebservice;
diff --git a/sasjs/sasjsconfig.json b/sasjs/sasjsconfig.json
index d1218ca..e900f79 100644
--- a/sasjs/sasjsconfig.json
+++ b/sasjs/sasjsconfig.json
@@ -67,6 +67,7 @@
     },
     {
       "name": "server",
+      "serverUrl": "",
       "serverType": "SASJS",
       "httpsAgentOptions": {
         "allowInsecureRequests": false
@@ -106,4 +107,4 @@
       "contextName": "SAS Job Execution compute context"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/server/ms_createwebservice.sas b/server/ms_createwebservice.sas
index 79a8a56..e3d392e 100644
--- a/server/ms_createwebservice.sas
+++ b/server/ms_createwebservice.sas
@@ -269,22 +269,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';
diff --git a/tests/base/mp_binarycopy.test.sas b/tests/base/mp_binarycopy.test.sas
index b456c21..7ce3f37 100644
--- a/tests/base/mp_binarycopy.test.sas
+++ b/tests/base/mp_binarycopy.test.sas
@@ -5,6 +5,7 @@
   <h4> SAS Macros </h4>
   @li mp_binarycopy.sas
   @li mp_assert.sas
+  @li mp_hashdataset.sas
 
 **/
 
@@ -96,4 +97,40 @@ run;
   iftrue=("&string4"="&string4_check"),
   desc=Append Check (ref to file),
   outds=work.test_results
-)
\ No newline at end of file
+)
+
+/* test 5 - ensure copy works for binary characters */
+/* do this backwards to avoid null chars in JSON preview */
+data work.test5;
+do i=255 to 1 by -1;
+  str=byte(i);
+  output;
+end;
+run;
+/* get an md5 hash of the ds */
+%mp_hashdataset(work.test5,outds=myhash)
+
+/* copy it */
+%mp_binarycopy(inloc="%sysfunc(pathname(work))/test5.sas7bdat",
+  outloc="%sysfunc(pathname(work))/test5copy.sas7bdat"
+)
+
+/* get an md5 hash of the copied ds */
+%mp_hashdataset(work.test5copy,outds=myhash2)
+
+/* compare hashes */
+%let test5a=0;
+%let test5b=1;
+data _null_;
+  set myhash;
+  call symputx('test5a',hashkey);
+run;
+data _null_;
+  set myhash2;
+  call symputx('test5b',hashkey);
+run;
+%mp_assert(
+  iftrue=("&test5a"="&test5b"),
+  desc=Ensuring binary copy works on binary characters,
+  outds=work.test_results
+)
diff --git a/viya/mv_createwebservice.sas b/viya/mv_createwebservice.sas
index 22f7796..5b3f18a 100644
--- a/viya/mv_createwebservice.sas
+++ b/viya/mv_createwebservice.sas
@@ -411,22 +411,18 @@ data _null_;
   put '        "&&name&i"n /* name literal for reserved variable names */ ';
   put '      %end; ';
   put '      %if &action=ARR %then "]" ; %else "}" ; ; ';
-  put '    /* now write the long strings to _webout 1 byte at a time */ ';
+  put '    /* now write the long strings to _webout 1 char at a time */ ';
   put '    data _null_; ';
-  put '      length filein 8 fileid 8; ';
-  put '      filein=fopen("_sjs",''I'',1,''B''); ';
-  put '      fileid=fopen("&jref",''A'',1,''B''); ';
-  put '      rec=''20''x; ';
-  put '      do while(fread(filein)=0); ';
-  put '        rc=fget(filein,rec,1); ';
-  put '        rc=fput(fileid, rec); ';
-  put '        rc=fwrite(fileid); ';
-  put '      end; ';
-  put '      /* close out the table */ ';
-  put '      rc=fput(fileid, "]"); ';
-  put '      rc=fwrite(fileid); ';
-  put '      rc=fclose(filein); ';
-  put '      rc=fclose(fileid); ';
+  put '      infile _sjs lrecl=1 recfm=n; ';
+  put '      file &jref mod lrecl=1 recfm=n; ';
+  put '      input sourcechar $char1. @@; ';
+  put '      format sourcechar hex2.; ';
+  put '      put sourcechar char1. @@; ';
+  put '    run; ';
+  put '    /* close out the table */ ';
+  put '    data _null_; ';
+  put '      file &jref mod; ';
+  put '      put '']''; ';
   put '    run; ';
   put '    filename _sjs clear; ';
   put '  %end; ';