✨ change dir stl -> std

std/file.nas

@@ -0,0 +1,79 @@
+# lib file.nas
+# ValKmjolnir 2022/3/6
+var file={
+    SEEK_SET:io.SEEK_SET,
+    SEEK_CUR:io.SEEK_CUR,
+    SEEK_END:io.SEEK_END,
+    new: func(filename,mode="r"){
+        if(!io.exists(filename))
+            return nil;
+        var fd=io.open(filename,mode);
+        return {
+            close:  func(){io.close(fd);},
+            read:   func(len){
+                var buf=mut("");
+                io.read(fd,buf,len);
+                return buf;
+            },
+            write:  func(str){return io.write(fd,str);},
+            seek:   func(pos,whence){return io.seek(fd,pos,whence);},
+            tell:   func(){return io.tell(fd);},
+            readln: func(){return io.readln(fd);},
+            stat:   func(){return io.stat(filename);},
+            eof:    func(){return io.eof(fd);}
+        };
+    }
+};
+
+var find_all_files_with_extension=func(path,extensions...){
+    var in_vec=func(ext){
+        foreach(var i;extensions){
+            if(ext==i){
+                return 1;
+            }
+        }
+        return 0;
+    }
+    var res=[];
+    foreach(var f;find_all_files(path)){
+        var tmp=split('.',f);
+        if(size(tmp)>1 and in_vec(tmp[-1])){
+            append(res,f);
+        }
+    }
+    return res;
+}
+
+var find_all_files=func(path){
+    if(!io.exists(path))
+        return [];
+    var dd=unix.opendir(path);
+    var res=[];
+    while(var n=unix.readdir(dd))
+        if(unix.isfile(path~"/"~n))
+            append(res,n);
+    unix.closedir(dd);
+    return res;
+}
+
+var recursive_find_files=func(path){
+    if(!io.exists(path))
+        return nil;
+    var dd=unix.opendir(path);
+    var res={
+        dir:path,
+        files:[]
+    };
+    while(var n=unix.readdir(dd)){
+        if(unix.isfile(path~"/"~n)){
+            append(res.files,n);
+        }elsif(unix.isdir(path~"/"~n) and n!="." and n!=".."){
+            var tmp=recursive_find_files(path~"/"~n);
+            if(tmp!=nil)
+                append(res.files,tmp);
+        }
+
+    }
+    unix.closedir(dd);
+    return res;
+}