init

examples/getlicense.v

@@ -0,0 +1,54 @@
+import os
+import os.cmdline
+import licenseid
+
+const help_text = 'download license text from internet and apply width (80 by default)'
+const usage_text = 'usage: getlicense [-help] [-w <width>] <license_id>'
+
+fn main() {
+	argv := os.args[1..]
+	opts := cmdline.only_options(argv)
+	mut args := cmdline.only_non_options(argv)
+	mut width := 80
+	for opt in opts {
+		match true {
+			opt in ['-h', '-help', '--help'] {
+				println(help_text)
+				println(usage_text)
+				exit(0)
+			}
+			opt == '-w' {
+				arg := cmdline.option(argv, '-w', '')
+				if arg.int() <= 0 {
+					eprintln('invalid width ${opt}')
+					exit(2)
+				}
+				width = arg.int()
+				args.delete(args.index(arg))
+			}
+			else {
+				eprintln('unrecognized option ${opt}')
+				exit(2)
+			}
+		}
+	}
+	if args.len != 1 {
+		eprintln(usage_text)
+		exit(2)
+	}
+	license := licenseid.query(args[0]) or {
+		eprintln(err)
+		exit(1)
+	}
+	details := license.details() or {
+		eprintln(err)
+		exit(1)
+	}
+	for line in details.license_text.split_into_lines() {
+		if line == '' {
+			println('')
+		} else {
+			println(line.wrap(width: width))
+		}
+	}
+}