Data commit

Task/Read-a-configuration-file/Nim/read-a-configuration-file.nim

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+import re, strformat, strutils, tables
+
+var configs: OrderedTable[string, seq[string]]
+var parsed: seq[string]
+
+for line in "demo.config".lines():
+  let line = line.strip()
+  if line != "" and not line.startswith(re"#|;"):
+    parsed = line.split(re"\s*=\s*|\s+", 1)
+    configs[parsed[0].toLower()] = if len(parsed) > 1: parsed[1].split(re"\s*,\s*") else: @[]
+
+for key in ["fullname", "favouritefruit", "needspeeling", "seedsremoved", "otherfamily"]:
+  if not configs.hasKey(key):
+    echo(&"{key} = false")
+  else:
+    case len(configs[key])
+    of 0:
+      echo(&"{key} = true")
+    of 1:
+      echo(&"{key} = {configs[key][0]}")
+    else:
+      for i, v in configs[key].pairs():
+        echo(&"{key}({i+1}) = {v}")