Initial commit and implementation.

.gitignore

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+/hr
+.*.sw?

hr.nimble

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+# Package
+
+version       = "0.1.0"
+author        = "Jonathan Bernard"
+description   = "Simple CLI utility to print a horizontal rule with an optional header"
+license       = "MIT"
+srcDir        = "src"
+bin           = @["hr"]
+
+
+# Dependencies
+
+requires "nim >= 2.2.6"
+requires @["cliutils >= 0.11.0", "docopt"]

src/hr.nim

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+import std/[strutils, terminal, unicode]
+import cliutils, docopt
+# This is just an example to get you started. A typical binary package
+# uses this file as the main entry point of the application.
+
+const VERSION = "0.1.0"
+const USAGE = """Usage:
+  hr [<heading>] [options]
+
+Options:
+
+  -c, --color <color>   Color to make the rule.
+  -d, --double-rule     Draw as ═══════════
+  -C, --char <char>     Character to use to make the rule
+"""
+
+when isMainModule:
+  try:
+    let args = docopt(USAGE, version = VERSION)
+
+    let color =
+      if args["--color"]: parseEnum[TerminalColors]("c" & $args["--color"])
+      else: cDefault
+
+    let ruleChar =
+      if args["--char"]: $args["--char"]
+      elif args["--double-rule"]: "═"
+      else: "─"
+
+    stdout.writeLine(termFmt(
+      repeat(ruleChar, terminalWidth()),
+      fg = color, bg = cDefault))
+
+    if args["<heading>"]:
+      let heading = $args["<heading>"]
+      let padding = max(0, (terminalWidth() - runeLen(heading)) div 2)
+      stdout.writeLine(termFmt(
+        repeat(" ", padding) & heading & repeat(" ", padding),
+        fg = color, bg = cDefault))
+
+  except:
+    stderr.writeLine("hf - FATAL: " & getCurrentExceptionMsg())
+    stderr.writeLine(getCurrentException().getStackTrace())
+    quit(QuitFailure)