From 790c363cceaaa09e91ad579e2d25cb13c1582bba Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Sat, 18 Sep 2021 23:20:24 +0800
Subject: This closes #833, closes #845, and closes #1022, breaking changes

- Close spreadsheet and row's iterator required
- New options `WorksheetUnzipMemLimit` have been added
- Improve streaming reading performance, memory usage decrease about 93.7%
---
 file.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'file.go')

diff --git a/file.go b/file.go
index bfb6abf..c0092a2 100644
--- a/file.go
+++ b/file.go
@@ -82,6 +82,18 @@ func (f *File) SaveAs(name string, opt ...Options) error {
 	return f.Write(file)
 }
 
+// Close closes and cleanup the open temporary file for the spreadsheet.
+func (f *File) Close() error {
+	var err error
+	f.tempFiles.Range(func(k, v interface{}) bool {
+		if err = os.Remove(v.(string)); err != nil {
+			return false
+		}
+		return true
+	})
+	return err
+}
+
 // Write provides a function to write to an io.Writer.
 func (f *File) Write(w io.Writer) error {
 	_, err := f.WriteTo(w)
-- 
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