Get rid of freeze (now its own directory).
Added some new demos. Fixed a few others.
diff --git a/Demo/scripts/README b/Demo/scripts/README
index 5b5e88d..e7443da 100644
--- a/Demo/scripts/README
+++ b/Demo/scripts/README
@@ -21,7 +21,6 @@
fixps.py Fix Python scripts' first line (if #!)
fixcid.py Massive identifier substitution on C source files
fixheader.py Add some cpp magic to a C include file
-freeze.py Convert a Python script into a free-standing binary
from.py Summarize mailbox
ftpstats.py Summarize ftp daemon log file
ifdef.py Remove #if(n)def groups from C sources
@@ -31,6 +30,7 @@
markov.py Markov chain simulation of words or characters
mboxconvvert.py Convert MH or MMDF mailboxes to unix mailbox format
methfix.py Fix old method syntax def f(self, (a1, ..., aN)):
+morse.py Produce morse code (audible or on AIFF file)
mkreal.py Turn a symbolic link into a real file or directory
mpzpi.py test mpz -- print digits of pi (compare pi.py)
objgraph.py Print object graph from nm output on a library
@@ -41,7 +41,9 @@
pp.py Emulate some Perl command line options
primes.py Print prime numbers
ptags.py Create vi tags file for Python modules
+script.py Equivalent to BSD script(1) -- by Steen Lumholt
suff.py Sort a list of files by suffix
+sum5.py Print md5 checksums of files
unbirthday.py Print unbirthday count
which.py Find a program in $PATH
xxci.py Wrapper for rcsdiff and ci
diff --git a/Demo/scripts/morse.py b/Demo/scripts/morse.py
new file mode 100755
index 0000000..2cea83e
--- /dev/null
+++ b/Demo/scripts/morse.py
@@ -0,0 +1,149 @@
+# DAH should be three DOTs.
+# Space between DOTs and DAHs should be one DOT.
+# Space between two letters should be one DAH.
+# Space between two words should be DOT DAH DAH.
+
+import sys, math, audiodev
+
+DOT = 30
+DAH = 3 * DOT
+OCTAVE = 2 # 1 == 441 Hz, 2 == 882 Hz, ...
+
+morsetab = {
+ 'A': '.-', 'a': '.-',
+ 'B': '-...', 'b': '-...',
+ 'C': '-.-.', 'c': '-.-.',
+ 'D': '-..', 'd': '-..',
+ 'E': '.', 'e': '.',
+ 'F': '..-.', 'f': '..-.',
+ 'G': '--.', 'g': '--.',
+ 'H': '....', 'h': '....',
+ 'I': '..', 'i': '..',
+ 'J': '.---', 'j': '.---',
+ 'K': '-.-', 'k': '-.-',
+ 'L': '.-..', 'l': '.-..',
+ 'M': '--', 'm': '--',
+ 'N': '-.', 'n': '-.',
+ 'O': '---', 'o': '---',
+ 'P': '.--.', 'p': '.--.',
+ 'Q': '--.-', 'q': '--.-',
+ 'R': '.-.', 'r': '.-.',
+ 'S': '...', 's': '...',
+ 'T': '-', 't': '-',
+ 'U': '..-', 'u': '..-',
+ 'V': '...-', 'v': '...-',
+ 'W': '.--', 'w': '.--',
+ 'X': '-..-', 'x': '-..-',
+ 'Y': '-.--', 'y': '-.--',
+ 'Z': '--..', 'z': '--..',
+ '0': '-----',
+ '1': '.----',
+ '2': '..---',
+ '3': '...--',
+ '4': '....-',
+ '5': '.....',
+ '6': '-....',
+ '7': '--...',
+ '8': '---..',
+ '9': '----.',
+ ',': '--..--',
+ '.': '.-.-.-',
+ '?': '..--..',
+ ';': '-.-.-.',
+ ':': '---...',
+ "'": '.----.',
+ '-': '-....-',
+ '/': '-..-.',
+ '(': '-.--.-',
+ ')': '-.--.-',
+ '_': '..--.-',
+ ' ': ' '
+}
+
+# If we play at 44.1 kHz (which we do), then if we produce one sine
+# wave in 100 samples, we get a tone of 441 Hz. If we produce two
+# sine waves in these 100 samples, we get a tone of 882 Hz. 882 Hz
+# appears to be a nice one for playing morse code.
+def mkwave(octave):
+ global sinewave, nowave
+ sinewave = ''
+ for i in range(100):
+ val = int(math.sin(math.pi * float(i) * octave / 50.0) * 30000)
+ sinewave = sinewave + chr((val >> 8) & 255) + chr(val & 255)
+ nowave = '\0' * 200
+
+mkwave(OCTAVE)
+
+def main():
+ import getopt, string
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], 'o:p:')
+ except getopt.error:
+ sys.stderr.write('Usage ' + sys.argv[0] +
+ ' [ -o outfile ] [ args ] ...\n')
+ sys.exit(1)
+ dev = None
+ for o, a in opts:
+ if o == '-o':
+ import aifc
+ dev = aifc.open(a, 'w')
+ dev.setframerate(44100)
+ dev.setsampwidth(2)
+ dev.setnchannels(1)
+ if o == '-p':
+ mkwave(string.atoi(a))
+ if not dev:
+ import audiodev
+ dev = audiodev.AudioDev()
+ dev.setoutrate(44100)
+ dev.setsampwidth(2)
+ dev.setnchannels(1)
+ dev.close = dev.stop
+ dev.writeframesraw = dev.writeframes
+ if args:
+ line = string.join(args)
+ else:
+ line = sys.stdin.readline()
+ while line:
+ mline = morse(line)
+ play(mline, dev)
+ if hasattr(dev, 'wait'):
+ dev.wait()
+ if not args:
+ line = sys.stdin.readline()
+ else:
+ line = ''
+ dev.close()
+
+# Convert a string to morse code with \001 between the characters in
+# the string.
+def morse(line):
+ res = ''
+ for c in line:
+ try:
+ res = res + morsetab[c] + '\001'
+ except KeyError:
+ pass
+ return res
+
+# Play a line of morse code.
+def play(line, dev):
+ for c in line:
+ if c == '.':
+ sine(dev, DOT)
+ elif c == '-':
+ sine(dev, DAH)
+ else: # space
+ pause(dev, DAH + DOT)
+ pause(dev, DOT)
+
+def sine(dev, length):
+ for i in range(length):
+ dev.writeframesraw(sinewave)
+
+def pause(dev, length):
+ for i in range(length):
+ dev.writeframesraw(nowave)
+
+if __name__ == '__main__' or sys.argv[0] == __name__:
+ main()
diff --git a/Demo/scripts/script.py b/Demo/scripts/script.py
new file mode 100755
index 0000000..04e7ecb
--- /dev/null
+++ b/Demo/scripts/script.py
@@ -0,0 +1,33 @@
+#! /usr/local/bin/python
+# script.py -- Make typescript of terminal session.
+# Usage:
+# -a Append to typescript.
+# -p Use Python as shell.
+# Author: Steen Lumholt.
+
+
+import os, time, sys
+import pty
+
+def read(fd):
+ data = os.read(fd, 1024)
+ file.write(data)
+ return data
+
+shell = 'sh'
+filename = 'typescript'
+mode = 'w'
+if os.environ.has_key('SHELL'):
+ shell = os.environ['SHELL']
+if '-a' in sys.argv:
+ mode = 'a'
+if '-p' in sys.argv:
+ shell = 'python'
+
+file = open(filename, mode)
+
+sys.stdout.write('Script started, file is %s\n' % filename)
+file.write('Script started on %s\n' % time.ctime(time.time()))
+pty.spawn(shell, read)
+file.write('Script done on %s\n' % time.ctime(time.time()))
+sys.stdout.write('Script done, file is %s\n' % filename)