#!/bin/bash
 
function processFile()
{
    # 如果字串中有/，需要使用别的分隔符。DEST_TEXT中假设相同特性。
    if [[ "${SOURCE_TEXT}" == "*/*" ]]; then
        sed -i "s:${SOURCE_TEXT}:${DEST_TEXT}:g" "$1"
    else
        sed -i "s/${SOURCE_TEXT}/${DEST_TEXT}/g" "$1"
    fi
}
 
function processDir()
{
    cd "$1"
    # space to ?
    files=`ls | tr " " "\?"`
 
    for item in ${files}
    do
        if [ -d "${item}" ]; then
            processDir  "${item}"
        else
            processFile "${item}"
        fi
    done
 
    cd ..
}
 
SOURCE_TEXT=avcodec_alloc_frame
DEST_TEXT=av_frame_alloc
PROCESS_DIR=doubango/doubango/schemas
 
processDir ${PROCESS_DIR}