#25991: fix readline example to limit history size. Patch by Daniel Dye.
diff --git a/Doc/library/readline.rst b/Doc/library/readline.rst
index 64c61a2..4fc3e93 100644
--- a/Doc/library/readline.rst
+++ b/Doc/library/readline.rst
@@ -214,6 +214,8 @@
histfile = os.path.join(os.path.expanduser("~"), ".pyhist")
try:
readline.read_history_file(histfile)
+ # default history len is -1 (infinite), which may grow unruly
+ readline.set_history_length(1000)
except IOError:
pass
import atexit
@@ -244,5 +246,6 @@
atexit.register(self.save_history, histfile)
def save_history(self, histfile):
+ readline.set_history_length(1000)
readline.write_history_file(histfile)