/*step1:獲取指定資料夾的指定型別的所有檔案*/
%macro find_sas(dirname,type);/*引數有兩個：路徑，檔案型別字尾*/
libname sasjob "&sasjob_path";
%put %str(----------->dirname=&dirname);
%put %str(----------->type=&type);
data sasjob.dirfiles;
rc=filename("dir","&dirname");/*把&dirname值傳給檔案引用符「dir"*/
openfile=dopen("dir");/*得到路徑標示符openfile，dopen是開啟directory的sas內建函式*/
if openfile>0 then do;/*如果openfile>0表示正確開啟路徑*/
nummem=dnum(openfile);/*得到路徑標示符openfile中member的個數nummem*/
do ii=1 to nummem;
name=dread(openfile,ii);/*用dread依次讀取每個檔案的名字到name*/
filepath="&dirname"||name;
fnum=compress(name,".xml","");
fnum=compress(fnum,"user_case","");
output;/*依次輸出*/
end;
end;
keep name filepath fnum;/*只保留filepath、fnum列*/
run;
proc sort data=sasjob.dirfiles;/*按照name排序*/
by descending name;
%if &type^=all %then %do;/*是否過濾特定的檔案型別&type*/
where index(upcase(name),upcase(".&type"));/*y,則通過檢索name是否包含&type*/
%end;
run;
proc print data=sasjob.dirfiles;
run;
%mend find_sas;
%macro dir(sasjob_path,type,dataset_num);
libname sasjob "&sasjob_path";
%let sasjob_path=&sasjob_path.;
%find_sas(&sasjob_path,&type);
data temp(keep=name_sas name_log);
set sasjob.dirfiles;
name_sas=compress(name);
name_log=compress(tranwrd(name,'.sas','.log'),);
if name_sas ^='dirfiles.sas7bdat' and name_sas ^='dirfiles.sas7bdat.lck';
run;
proc sort data=temp out=sasjob.dirfiles;
by name_sas;
run;
%mend dir;
%dir(./02@compute_03_1_8,sas,0);
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