shiumachi

#!/bin/bash
#
# move all files in dir1,dir2,... to dirX 
#

for i in `ls -1 dir*/*`;do
mv ${i} dirX
done

shiumachi

#!/bin/sh
#
# there are many symbolic link which link to some file in OLDDIR in directory SYBDIR.
# one day, OLDDIR has suddenly been moved to NEWDIR, and all symbolic link 
# in SYBDIR has been dead.
# you can't link from NEWDIR to OLDDIR in some reason.
# this script renewal all symbolic file target to new one.
#

OLDDIR=dir1

shiumachi

#!/usr/bin/python
# print prime number between 2 - N with re module, where N is argv[1]
# very very slow
import sys,re

r = re.compile('^(..+)\\1+$')
N = int(sys.argv[1])

for i in xrange(2,N):
    if not r.match('x' * i):

shiumachi

import time
import psyco
psyco.full()
def alloc(size, default = 0): return [default] * size

print "No,time"
for i in xrange(9):
    t0 = time.clock()
    N = pow(10,i)
    a = alloc(N)

shiumachi

import time
import psyco
psyco.full()

print "No,time"
for i in xrange(8):
    t0 = time.clock()
    N = pow(10,i)
    a = []
    for j in xrange(N):

shiumachi

import time
import random
import psyco
psyco.full()

print "No,time"
for i in xrange(8):
    t0 = time.clock()
    N = pow(10,i)
    for j in xrange(N):

shiumachi

import time
import random
import psyco
psyco.full()

a = []
for i in xrange(10000000):
    a.append(random.randint(1,100000000))

print "No,time"

shiumachi

import time
import psyco
psyco.full()

print "No,time"
for i in xrange(9):
    t0 = time.clock()
    N = pow(10,i)
    a = 0
    for j in xrange(N):

shiumachi

import sys
import time
import psyco
psyco.full()

print "No,time"
for i in xrange(8):
    t0 = time.clock()
    N = pow(10,i)
    a = 0.0

shiumachi

#!/bin/sh
grep -H -e "^\(([0-9]\{3\})\|[0-9]\{3\}-\)[0-9]\{3\}-[0-9]\{4\}$" test.in