| 1 | import os |
| 2 | import flag |
| 3 | |
| 4 | const version = "v0.1.0" |
| 5 | |
| 6 | // getting command line options and arguments |
| 7 | // returns the arguments |
| 8 | fn get_args() ?[]string { |
| 9 | mut fp := flag.new_flag_parser(os.args) |
| 10 | fp.application('ticker') |
| 11 | fp.version(version) |
| 12 | fp.description('A CLI yahoo ticker app') |
| 13 | fp.skip_executable() |
| 14 | fp.usage_example('GOOG AAPL') |
| 15 | _ := fp.bool('version', `v`, false, 'version information.') |
| 16 | if args := fp.finalize() && args.len > 0 { |
| 17 | return args |
| 18 | } else { |
| 19 | eprintln(err.msg()) |
| 20 | println(fp.usage()) |
| 21 | return none |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | fn main() { |
| 26 | tickers := get_args() or { return } |
| 27 | println(tickers) |
| 28 | } |
| 29 | |