erik/dcat
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Added CatError class.

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This commit is contained in:
Erik C. Thauvin 2021-10-20 22:42:04 -07:00
parent dc3e3896d7
commit 9593799e2a
4 changed files with 97 additions and 54 deletions
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17
README.md
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@ -56,8 +56,8 @@ import 'package:dcat/dcat.dart';
final result = await cat(['path/to/file', 'path/to/otherfile]'],
File('path/to/outfile').openWrite());
if (result.isFailure) {
for (final message in result.messages) {
print("Error: $message");
for (final error in result.errors) {
print('Error: ${error.message}');
}
}
```
@ -82,15 +82,16 @@ showNonPrinting | Same as `-v` | bool
The remaining optional parameters are similar to the [GNU cat](https://www.gnu.org/software/coreutils/manual/html_node/cat-invocation.html#cat-invocation) utility.
A `CatResult` object is returned which contains the `exitCode` (`exitSuccess` or `exitFailure`) and error `messages` if any:
A `CatResult` object is returned which contains the `exitCode` (`exitSuccess` or `exitFailure`) and `errors`, if any:
```dart
final result = await cat(['path/to/file'], stdout);
if (result.exitCode == exitSuccess) {
...
final result =
await cat(['path/to/file'], stdout, showLineNumbers: true);
if (result.exitCode == exitSuccess) { // or result.isSuccess
...
} else {
for (final message in result.messages) {
stderr.writeln("Error: $message");
for (final error in result.errors) {
stderr.writeln("Error with '${error.path}': ${error.message}");
}
}
```