Update write_log_file() so that it put the most recent message on the top; remove duplicate write_log_file()

1 files changed, 19 insertions, 0 deletions

diff --git a/Code/log.py b/Code/log.py
new file mode 100644
index 0000000..396acdd
--- /dev/null
+++ b/Code/log.py
@@ -0,0 +1,19 @@
+import os
+from datetime import datetime
+
+def write_log_file(s, fname):
+    ''' Write s to fname, the most recent on the top'''
+    curr_time = datetime.now().strftime('%Y-%m-%d %H:%M')
+    print('Log at %s: %s' % (curr_time, s.strip()))
+    content = ''
+    if os.path.exists(fname):
+        with open(fname) as f:
+            content = f.read()
+    with open(fname, 'w') as f:
+        f.write('[' + curr_time + ']: ' + s.strip() + '\n' + content)
+
+
+
+if __name__ == '__main__':
+    write_log_file('hello', 'testlog.txt');
+    write_log_file('logger', 'testlog.txt');