mfv_getpathuri.sas

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/**
  @file
  @brief Returns the uri of a file or folder
  @details The automatic variable `_FILESRVC_[fref]_URI` is used after assigning
  a fileref using the filesrvc engine.
 
  Usage:
 
      %put %mfv_getpathuri(/Public/folder/file.txt);
      %put %mfv_getpathuri(/Public/folder);
 
  @param [in] filepath The full path to the file on SAS drive
    (eg /Public/myfile.txt)
 
  <h4> SAS Macros </h4>
  @li mf_abort.sas
  @li mf_getuniquefileref.sas
 
  <h4> Related Macros </h4>
  @li mfv_existfile.sas
  @li mfv_existfolder.sas
 
  @version 3.5
  @author [Allan Bowe](https://www.linkedin.com/in/allanbowe/)
**/
 
%macro mfv_getpathuri(filepath
)/*/STORE SOURCE*/;
 
  %mf_abort(
    iftrue=(&syscc ne 0),
    msg=Cannot enter &sysmacroname with syscc=&syscc
  )
 
  %local fref rc path name var /* var is used to avoid delete timing issue */;
  %let fref=%mf_getuniquefileref();
  %let name=%scan(&filepath,-1,/);
  %let path=%substr(&filepath,1,%length(&filepath)-%length(&name)-1);
 
  %if %sysfunc(filename(fref,,filesrvc,folderPath="&path" filename="&name"))=0
  %then %do;
    %let var=_FILESRVC_&fref._URI;
    %str(&&&var)
    %let rc=%sysfunc(filename(fref));
    %symdel &var;
  %end;
  %else %do;
    %put &sysmacroname: did not find &filepath;
    %let syscc=0;
  %end;
 
  %mf_abort(
    iftrue=(&syscc ne 0),
    msg=Cannot leave &sysmacroname with syscc=&syscc
  )
%mend mfv_getpathuri;