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ArtyomLobanov
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Mar 14, 2019
ArtyomLobanov
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ArtyomLobanov
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И заберите изменения из ветки bash, пожалуйста. А то без cat, например, грустно
| input.forEachLine { | ||
| val matchString = if (args.ignoreCase) it.toLowerCase() else it | ||
| val matchPattern = if (args.ignoreCase) args.pattern.toLowerCase() else args.pattern | ||
| val wordEnd = if (args.wordRegexp) "(\\s|^|\$)" else "" |
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Для обозначения концов слова (в человеческом смысле) есть \b. Стандартный grep с ключом -w позволяет матчить слово мир в тексте Привет, мир!, несмотря на знак препинания !.
| private fun grep(input: Reader, output: PipedWriter, args: PipedGrepArgs) { | ||
| var linesToWrite = 0; | ||
| input.forEachLine { | ||
| val matchString = if (args.ignoreCase) it.toLowerCase() else it |
| try { | ||
| return ArgParser(arr).parseInto(constructor) | ||
| } catch (e: ShowHelpException) { | ||
| println(e.printUserMessage(output, "grep", 80)) |
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Не надо писать в стандартный поток вывода из глубины проекта. Способ общения с пользователем может ещё 100 раз поменяться. Бросайте исключения
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Я не очень понял, почему там вообще println написан, он просто Unit печатает, убрал
# Conflicts: # bash/build.gradle # bash/src/main/kotlin/hse/nedikov/bash/logic/commands/Echo.kt
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Теперь тесты падают :) |
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Я рассмотрел 3 варианта библиотек:
Выбрал вторую, теперь комментарии почему:
Есть ещё JCommander, но на Котлине лучше, по возможности, использовать библиотеки Котлина, чтобы не костылять с джавовской совместимостью, а пользоваться сразу адаптированной библиотекой с кучей синтаксических плюшек.