Bring old demo up-to-date.

Demo/scripts/pp.py

@@ -22,7 +22,6 @@
 # - except for -n/-p, run directly from the file if at all possible
 
 import sys
-import string
 import getopt
 
 FS = ''
@@ -36,7 +35,7 @@ PFLAG = 0
 try:
     optlist, ARGS = getopt.getopt(sys.argv[1:], 'acde:F:np')
 except getopt.error, msg:
-    sys.stderr.write(sys.argv[0] + ': ' + msg + '\n')
+    sys.stderr.write('%s: %s\n' % (sys.argv[0], msg))
     sys.exit(2)
 
 for option, optarg in optlist:
@@ -47,7 +46,7 @@ for option, optarg in optlist:
     elif option == '-d':
         DFLAG = 1
     elif option == '-e':
-        for line in string.splitfields(optarg, '\n'):
+        for line in optarg.split('\n'):
             SCRIPT.append(line)
     elif option == '-F':
         FS = optarg
@@ -81,31 +80,31 @@ if CFLAG:
 elif NFLAG:
     # Note that it is on purpose that AFLAG and PFLAG are
     # tested dynamically each time through the loop
-    prologue = [ \
-            'LINECOUNT = 0', \
-            'for FILE in ARGS:', \
-            '   \tif FILE == \'-\':', \
-            '   \t   \tFP = sys.stdin', \
-            '   \telse:', \
-            '   \t   \tFP = open(FILE, \'r\')', \
-            '   \tLINENO = 0', \
-            '   \twhile 1:', \
-            '   \t   \tLINE = FP.readline()', \
-            '   \t   \tif not LINE: break', \
-            '   \t   \tLINENO = LINENO + 1', \
-            '   \t   \tLINECOUNT = LINECOUNT + 1', \
-            '   \t   \tL = LINE[:-1]', \
-            '   \t   \taflag = AFLAG', \
-            '   \t   \tif aflag:', \
-            '   \t   \t   \tif FS: F = string.splitfields(L, FS)', \
-            '   \t   \t   \telse: F = string.split(L)' \
+    prologue = [
+            'LINECOUNT = 0',
+            'for FILE in ARGS:',
+            '   \tif FILE == \'-\':',
+            '   \t   \tFP = sys.stdin',
+            '   \telse:',
+            '   \t   \tFP = open(FILE, \'r\')',
+            '   \tLINENO = 0',
+            '   \twhile 1:',
+            '   \t   \tLINE = FP.readline()',
+            '   \t   \tif not LINE: break',
+            '   \t   \tLINENO = LINENO + 1',
+            '   \t   \tLINECOUNT = LINECOUNT + 1',
+            '   \t   \tL = LINE[:-1]',
+            '   \t   \taflag = AFLAG',
+            '   \t   \tif aflag:',
+            '   \t   \t   \tif FS: F = L.split(FS)',
+            '   \t   \t   \telse: F = L.split()'
             ]
-    epilogue = [ \
-            '   \t   \tif not PFLAG: continue', \
-            '   \t   \tif aflag:', \
-            '   \t   \t   \tif FS: print string.joinfields(F, FS)', \
-            '   \t   \t   \telse: print string.join(F)', \
-            '   \t   \telse: print L', \
+    epilogue = [
+            '   \t   \tif not PFLAG: continue',
+            '   \t   \tif aflag:',
+            '   \t   \t   \tif FS: print FS.join(F)',
+            '   \t   \t   \telse: print \' \'.join(F)',
+            '   \t   \telse: print L',
             ]
 else:
     prologue = ['if 1:']
@@ -114,10 +113,10 @@ else:
 # Note that we indent using tabs only, so that any indentation style
 # used in 'command' will come out right after re-indentation.
 
-program = string.joinfields(prologue, '\n') + '\n'
+program = '\n'.join(prologue) + '\n'
 for line in SCRIPT:
-    program = program + ('   \t   \t' + line + '\n')
-program = program + (string.joinfields(epilogue, '\n') + '\n')
+    program += '   \t   \t' + line + '\n'
+program += '\n'.join(epilogue) + '\n'
 
 import tempfile
 fp = tempfile.NamedTemporaryFile()
@@ -125,6 +124,6 @@ fp.write(program)
 fp.flush()
 if DFLAG:
     import pdb
-    pdb.run('execfile(%r)' % (tfn,))
+    pdb.run('execfile(%r)' % (fp.name,))
 else:
-    execfile(tfn)
+    execfile(fp.name)