Hisoka-X commented on code in PR #3038:
URL:
https://github.com/apache/incubator-seatunnel/pull/3038#discussion_r991088239
##########
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:
Why we should skip some char?
##########
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);
+ long lineNumber = lineNumberReader.getLineNumber();
+ return lineNumber + 1;
Review Comment:
Why should +1?
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