find -name '*.ts' -printf %f\\n|awk -F'.' '{print $1}' |xargs -i{} mv {}.ts {}.avi 例如：CHANNEL_800000_20131023_162753692_18340007.ts类似的文件修改为CHANNEL_800000_20131023_162753692_18340007.avi
find -name '*.ts' -printf %f\\n|awk -F'.' '{print $1}' |xargs -i{} mv {}.ts {}.avi
例如：CHANNEL_800000_20131023_162753692_18340007.ts类似的文件修改为CHANNEL_800000_20131023_162753692_18340007.avi
