file.hdb: Add new par.txt wrapper function

Author: jasraj

src/file.hdb.q

@@ -0,0 +1,18 @@
+// File Manipulation for HDBs
+// Copyright (c) 2021 Jaskirat Rajasansir
+
+
+/ Wrapper for '.Q.par' to deal with relative paths for a segmented DB configuration in the 'par.txt' file
+/  @param hdbRoot (FolderPath) The HDB root to run against
+/  @param partVal (Date|Month|Year|Long) The specific partition to lookup with 'par.txt' if present
+/  @returns (FolderPath) The expected location of the partition within the HDB
+.file.hdb.qPar:{[hdbRoot; partVal]
+    par:.Q.par[hdbRoot; partVal; `];
+    strPar:1_ string par;
+
+    if[not "/" = first strPar;
+        strPar:string[hdbRoot],"/",strPar;
+    ];
+
+    :hsym `$strPar;
+ };