在linux上搜索文件，linux搜索文件,使用方法:python

在linux上搜索文件，linux搜索文件,使用方法:python

使用方法:

python fsearch.py <file_pattern> [-p] 'path1 path2 path3' [-d]

如果加-p选项则为指定目录查找

如果在-p选项添加完后跟一个-d选项则为深度查找

#!/usr/bin/env pythonimport os, sys, glob, reif sys.hexversion < 0x02040000:        print >> sys.stderr, 'Your python version is too old (%s)' % \\                                                        (sys.version.split()[0])        print >> sys.stderr, 'You need at least Python 2.4'        sys.exit(1)PPATH = Falsedef search_all_files(pattern, search_path, pathsep=os.pathsep):    for path in search_path.split(pathsep):        '''        candidate = os.path.join(path, filename)        if os.path.isfile(candidate):            return os.path.abspath(candidate)        '''        for match in glob.glob(os.path.join(path, pattern)):            yield matchdef print_file(pattern, path=None):    if PPATH:    p = path.split(' ')    path = lambda p : os.pathsep.join(p)    matches = list(search_all_files(pattern, path(p)))    if matches:            for match in matches:                print match        else:        print "Not find like '%s' !" % pattern        sys.exit(1)    else:        matches = list(search_all_files(pattern, os.environ['PATH']))    if matches:        for match in matches:        print match    else:        print "Not find like '%s' !" % pattern        sys.exit(1)def deep_search(fpattern, path):    pathlist = path.split(' ')    finded = False    for p in pathlist:        if os.path.exists(p):            for dirpath, dirnames, filenames in os.walk(p):                for file in filenames:                    fullpath = os.path.join(dirpath, file)                    if re.search(fpattern, fullpath):                        print fullpath                        finded = True                    else:                        continue        else:            print "[*]Path %s don't exit !" % p            sys.exit(1)    if not finded:        print "Don't find like %s !" % fpatternif __name__ == '__main__':    if '-p' in sys.argv:    PPATH = True    if '-d' not in sys.argv:        if len(sys.argv) != 4 or sys.argv[1].startswith('-'):                print "Usage %s <pattern> -p 'path1 path2 path3....' use escape to split pathname" % sys.argv[0]        else:                print_file(sys.argv[1], sys.argv[3])    elif sys.argv[4] == '-d':        deep_search(sys.argv[1], sys.argv[3])    else:    if len(sys.argv) != 2 or sys.argv[1].startswith('-'):        print "Usage %s <pattern> " % sys.argv[0]        sys.exit(1)        else:            print_file(sys.argv[1])#该片段来自于http://byrx.net