@@ -20,7 +20,7 @@ i.dset(d, "data", newDict(i.scope))
     i.dset(d, "path", p.newVal)
     d.objType = "datastore"
     i.push d 
- 
+
   def.symbol("dsread") do (i: In):
     let vals = i.expect("'sym")
     let p = vals[0].getString
@@ -38,6 +38,10 @@ let p = i.dget(ds, "path".newVal).getString
     let data = i%(i.dget(ds, "data".newVal))
     p.writeFile(data.pretty)
     i.push ds
+ 
+  def.symbol("dswrite!") do (i: In):
+    i.pushSym "dswrite"
+    i.pushSym "pop"
     
   def.symbol("dshas?") do (i: In):
     let vals = i.expect("'sym", "dict:datastore")
@@ -103,9 +107,8 @@ if not dhas(data, collection):
       i.dset(data, collection, newDict(i.scope))
     var cll = i.dget(data, collection)
     i.dset(cll, id, d)
-    #i.dset(ds, "data", data)
     i.push ds
-    
+
   def.symbol("dsput") do (i: In):
     let vals = i.expect("dict", "'sym", "dict:datastore")
     var d = vals[0]
@@ -138,5 +141,9 @@ raiseInvalid("Collection '$#' does not exist" % collection)
     var cll = i.dget(data, collection)
     i.ddel(cll, id) 
     i.push ds
+    
+  def.symbol("dsdelete!") do (i: In):
+    i.pushSym "dsdelete"
+    i.pushSym "pop"
     
   def.finalize("dstore")

@@ -931,6 +931,13 @@ 
   def.symbol("compiled?") do (i: In):
     i.push MINCOMPILED.newVal
 
+  def.symbol("line-info") do (i: In):
+    var d = newDict(i.scope)
+    i.dset(d, "filename", i.currSym.filename.newVal)
+    i.dset(d, "line", i.currSym.line.newVal)
+    i.dset(d, "column", i.currSym.column.newVal)
+    i.push d
+
   # Converters
 
   def.symbol("string") do (i: In):

@@ -4,4 +4,5 @@ * Fixed detection of musl executables when running build task.
 * Added **union**, **intersection**, **difference**, **symmetric-difference**, **one?** symbols to **seq** module.
 * Fixed compilation for loaded files and assets.
 * Refacored code to satisfy nimble package structure.
-* Now caching required modules so that their code is executed only once.+* Now caching required modules so that their code is executed only once.
+* Added **line-info** symbol returning a dictionary containing the current filename, line and column numbers.

@@ -21,7 +21,7 @@ 
 {#op||confirm||{{s}}||{{b}}||
 > Prints {{s}} (prompt) appending `" [yes/no]: "`, reads a line from STDIN and:
 > 
->  * if it matches `/^y(es)$/i`, puts {{t}} on the stack.
+>  * if it matches `/^y(es)?$/i`, puts {{t}} on the stack.
 >  * if it matches `/^no?$/i`, puts {{f}} on the stack. 
 >  * Otherwise, it prints `Invalid answer. Please enter 'yes' or 'no': ` and waits for a new answer. #}
 

@@ -235,6 +235,9 @@ > >
 > >     {{100 :b} :a} :test *test/a/b
  #}
 
+{#op||line-info||{{none}}||{{d}}||
+Returns a dictionary {{d}} containing a **filename**, **line**, and **column** properties identifying the filename, line and column of the current symbol.#}
+
 {#op||linrec||{{q1}} {{q2}} {{q3}} {{q4}}||{{a0p}}||
 > Implements linear recursions as follows:
 >