feat: add lines() to access stdin per line (#1244)

jbangdev · Feb 18, 2022 · 2ccc5a1 · 2ccc5a1
1 parent 9c0b0ca
commit 2ccc5a1
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/main/java/dev/jbang/cli/Run.java b/src/main/java/dev/jbang/cli/Run.java
@@ -249,6 +249,7 @@ List<String> generateCommandLineList(Source src, RunContext ctx) throws IOExcept
 						"import java.math.BigDecimal;\n";
 				Util.writeString(tempFile.toPath(),
 						defaultImports + generateArgs(ctx.getArguments(), ctx.getProperties()) +
+								generateStdInputHelper() +
 								generateMain(ctx.getMainClass()));
 				if (ctx.getMainClass() != null) {
 					if (!ctx.getMainClass().contains(".")) {
@@ -416,6 +417,12 @@ static String generateArgs(List<String> args, Map<String, String> properties) {
 		return buf;
 	}
 
+	static String generateStdInputHelper() {
+		String buf = "\nStream<String> lines() { return new BufferedReader(new InputStreamReader(System.in)).lines(); }\n";
+		buf += "/open PRINTING\n";
+		return buf;
+	}
+
 	/**
 	 * Helper class to peek ahead at `--debug` to pickup --debug=5000, --debug 5000,
 	 * --debug *:5000 as debug parameters but not --debug somefile.java