Changeset 727 for hodgestar/Talks/PythonForProgrammers/slides/py4prog.py

Timestamp:

03/05/10 21:38:58 (2 years ago)

Author:

hodgestar

Message:

File handling slide.

Location:

hodgestar/Talks/PythonForProgrammers

Files:

• . (modified) (1 prop)
• slides/py4prog.py (modified) (3 diffs)

hodgestar/Talks/PythonForProgrammers/slides/py4prog.py

@@ -84 +84 @@
 
     Slide("Course Structure",
-        Bullet("First Script:", PYCODE('''
+        Bullet("First Script:", PYCODE(r'''
             #!/usr/bin/env python
 
@@ -111 +111 @@
 
     Slide("Numeric and Sequence Types",
-        Bullet("Numeric types:", PYCON('''
+        Bullet("Numeric types:", PYCON(r'''
             >>> 5, 12345678901234567890123
             (5, 12345678901234567890123L)
@@ -135 +135 @@
     ),
 
+    Slide("File Handling and Iterables",
+        Bullet("text2.py:", PYCODE(r'''
+            def main(args):
+                prog = args[0]
+                filenames = args[1:]
+
+                for filename in filenames:
+                    f = open(filename, "rb")
+
+                    try:
+                        for line in sorted(f):
+                            print line,
+                    finally:
+                        f.close()
+
+                    with open(filename, "rb") as f:
+                        for i, line in enumerate(sorted(f)):
+                            print "%3d: %s" % (i, line),
+
+                    with open(filename, "rU") as f:
+                        print f.read().replace("\n", r" \\ ")
+            ''')),
+    ),
+
 )