25074 - Listing all files that are located in a specific directory

Sample 25074: Listing all files that are located in a specific directory

%macro drive(dir,ext);                                                                                                                  
                                                                                                                                        
  %let filrf=mydir;                                                                                                                      
                                                                                                                                        
  /* Assigns the fileref of mydir to the directory and opens the directory */                                                                    
  %let rc=%sysfunc(filename(filrf,&dir));                                                                                                
  %let did=%sysfunc(dopen(&filrf));                                                                                                      
                                                                                                                                        
  /* Returns the number of members in the directory */                                                                   
  %let memcnt=%sysfunc(dnum(&did));                                                                                                      
                                                                                                                                        
   /* Loops through entire directory */                                                                                                  
   %do i = 1 %to &memcnt;                                                                                                                
    
     /* Returns the extension from each file */                                                                                                                                    
     %let name=%qscan(%qsysfunc(dread(&did,&i)),-1,.);                                                                                   
                                                                                                                                        
     /* Checks to see if file contains an extension */                                                                                     
     %if %qupcase(%qsysfunc(dread(&did,&i))) ne %qupcase(&name) %then %do;                                                                  
                                                                                                                                        
     /* Checks to see if the extension matches the parameter value */                                                                      
     /* If condition is true prints the full name to the log       */                                                                      
      %if (%superq(ext) ne and %qupcase(&name) = %qupcase(&ext)) or                                                                       
         (%superq(ext) = and %superq(name) ne) %then %do;                                                                                     
         %put %qsysfunc(dread(&did,&i));                  
      %end;                                                                               
     %end;                                                                                                                               
   %end;                                                                                                                                 
                                                                                                                                        
  /* Closes the directory */                                                                                                            
  %let rc=%sysfunc(dclose(&did));                                                                                                        
                                                                                                                                        
%mend drive;                                                                                                                            
                                                                                                                                        
/* First parameter is the directory of where your files are stored. */                                                                
/* Second parameter is the extension you are looking for.           */                                                                
/* Leave 2nd paramater blank if you want a list of all the files.   */                                                                
%drive(c:\,sas)

These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

Type:	Sample
Topic:	SAS Reference ==> Macro

Date Modified:	2011-04-21 11:15:31
Date Created:	2005-01-26 16:17:14

Product Family	Product	Host	SAS Release
			Starting	Ending
SAS System	Base SAS	All	8 TS M0	n/a

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Sample 25074: Listing all files that are located in a specific directory

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