Script.fromLineTransformer constructor
Script.fromLineTransformer(
- StreamTransformer<
String, String> transformer, { - String? name,
Creates a Script from a StreamTransformer on string streams.
This script transforms each line of stdin with transformer
and emits it
via stdout. It exits once the transformed stream closes. Any error events
emitted by transformer
are treated as errors in the script.
Script.kill returns true
if the stream was interrupted and the script
exits with Script.exitCode 143
, or false
if the stream was already
closed.
Implementation
factory Script.fromLineTransformer(
StreamTransformer<String, String> transformer,
{String? name}) =>
Script.fromByteTransformer(
StreamTransformer.fromBind((stream) => stream.lines
.transform(transformer)
.map<List<int>>((line) => utf8.encode("$line\n"))),
name: name ?? transformer.toString());