Batch modification Java file encoding (GBK-> UTF-8), with backup and recovery functions

2022-12-29   ES  

Very suitable for changing old projects, or downloading the source code of the GBK project from the Internet
code is found online, combined:

#-*- coding: utf-8 -*-

import codecs
import os
import shutil
import re
import sys

def convert( filename, in_enc = "GBK", out_enc="UTF-8" ):
    shutil.copyfile(filename, filename + '.bak')

    # read the file
    content = open( filename ).read()
    # convert the concent
    try:
        new_content = content.decode( in_enc ).encode( out_enc )
        #write to file
        open( filename, 'w' ).write( new_content )
    except:
        print " error... "

def explore( dir ):
    for root, dirs, files in os.walk( dir ):
        for file in files:
            if file.lower().endswith('.java'):
                path = os.path.join( root, file )
                print "convert " + path,
                convert( path )
                print " done"

def process_bak_files(action='restore'):
    for root, dirs, files in os.walk(os.getcwd()):
        for f in files:
            if f.lower().endswith('.java.bak'):
                source = os.path.join(root, f)
                target = os.path.join(root, re.sub('\.java\.bak$', '.java', f, flags=re.IGNORECASE))
                try:
                    if action == 'restore':
                        shutil.move(source, target)
                    elif action == 'clear':
                        os.remove(source)
                except Exception, e:
                    print source

def main():
    if len( sys.argv ) > 1 :
        path = sys.argv[1]
        if os.path.isfile( path ):
            convert( path )
        elif os.path.isdir( path ):
            explore( path )

if __name__ == "__main__":
    #process_bak_files(action='clear')
    main() 

usage

python encode.py [path]

source

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