RosettaCodeData/Task/Read-a-configuration-file/Nim/read-a-configuration-file.nim
2023-07-01 13:44:08 -04:00

23 lines
719 B
Nim

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}")