EricJoy2048 commented on code in PR #3038:
URL:
https://github.com/apache/incubator-seatunnel/pull/3038#discussion_r991146012
##########
seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/FileUtils.java:
##########
@@ -80,4 +84,77 @@ public static void createNewFile(String filePath) {
createParentFile(file);
}
}
+
+ /**
+ * return the line number of file
+ *
+ * @param filePath The file need be read
+ * @return
+ */
+ public static Long getFileLineNumber(@NonNull String filePath) {
+ try (LineNumberReader lineNumberReader = new LineNumberReader(new
FileReader(filePath))) {
+ lineNumberReader.skip(Long.MAX_VALUE);
Review Comment:
>
I will use replace LineNumberReader, because if the file content chars more
than Long.MAX_VALUE, it will error.
```
try {
return Files.lines(Paths.get(filePath)).count();
} catch (IOException e) {
return -1;
}
```
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