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_fn.sas
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_fn.sas
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%put NOTE: You have called the macro _FN, 2022-12-26.;
%put NOTE: Copyright (c) 2001-2022 Rodney Sparapani;
%put;
/*
Author: Rodney Sparapani <rsparapa@mcw.edu>
Created: 2001-00-00
This file is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
%global fn fndir fnpath fnroot fntext fnhtml;
%macro _fn;
%if %length(&fn)=0 %then %do;
%let fn=%sysfunc(getoption(sysin));
%if %length(&fn) & "&fn"^="__STDIN__" %then %do;
filename fn "&fn";
%let fnpath=%sysfunc(pathname(fn));
filename fn;
%if %_exist(&fn)=0 %then %let fn=&fn..sas;
%let fn=%_tail(&fn, split=%_dirchar);
%let fnroot=%_head(&fn, split=.);
%let fndir=%substr(&fnpath, 1, %length(&fnpath)-%length(&fn));
%let fntext=&fnroot..txt;
%let fnhtml=&fnroot..html;
%put FN=&fn;
%put FNROOT=&fnROOT;
%put FNPATH=&fnpath;
%put FNDIR=&fnDIR;
%put FNTEXT=&FNTEXT;
%put FNHTML=&FNHTML;
%end;
%end;
%mend _fn;
%*VALIDATION TEST STREAM;
/* un-comment to re-validate
%_fn;
*UNIX
Result should be: FN=_fn.sas
Result should be: FNROOT=_fn
Result should be: FNPATH=/cvrct/sasmacro/_fn.sas
Result should be: FNDIR=/cvrct/sasmacro/
;
*WINDOWS
Result should be: FN=_FN.SAS
Result should be: FNROOT=_FN
Result should be: FNPATH=D:\SASMACRO\_FN.SAS
Result should be: FNDIR=D:\SASMACRO\
;
*/