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Catch flag parse error

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This commit is contained in:
Shav Kinderlehrer 2023-08-10 11:55:20 -04:00
parent 49768a38a7
commit 36c8b4d2d7
1 changed files with 29 additions and 19 deletions
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16
source/app.d
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@ -19,9 +19,17 @@ Opts defaultOpts() {
return opts; return opts;
} }
void printHelp(GetoptResult args) {
defaultGetoptPrinter("prim prompt:\n", args.options);
writeln("\nEnvironment:\n",
"\tNO_COLOR\tsee https://no-color.org");
}
void main(string[] argv) { void main(string[] argv) {
Opts opts = defaultOpts(); Opts opts = defaultOpts();
try {
GetoptResult args = getopt( GetoptResult args = getopt(
argv, argv,
std.getopt.config.bundling, std.getopt.config.bundling,
@ -43,9 +51,11 @@ void main(string[] argv) {
); );
if (args.helpWanted) { if (args.helpWanted) {
defaultGetoptPrinter("prim prompt:\n", args.options); printHelp(args);
writeln("\nEnvironment:\n", }
"\tNO_COLOR\tsee https://no-color.org"); } catch (Exception e) {
writeln(e.msg);
writeln("try '--help' for more information");
} }
dorun(opts); dorun(opts);