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【Shell】文件批量复制并转换内容编码

作者:Duncan / 发布于2014/11/18/ 551

批量、递归 (不追溯链接) 复制文件；改变复制出的文件的内容编码；使用旧文件的 m 时间戳。可以修改“convertOrNot()”函数，过滤掉不想转换的文件。


	#调用办法
	export SRC="/media/sdb13/tmp_transfer/123.name_UTF8_content_GB18030";
	export DES="/ext/usr/convert/old_laptop.123.name_UTF8_content_UTF8";

	echo "SRC=\\"$SRC\\"";
	echo "DES=\\"$DES\\"";

	date;
	sh ./tfw_iconv_cp.sh "$SRC" "$DES" gb18030 utf8>tfw_iconv_cp.log 2>tfw_iconv_cp.err;
	date;

	#功能
	intCount=0;

	tfw_deep_demo()
	{
	 local strSrcFileName="$1";
	 local strDesFileName="$2";
	 local strFromEncoding="$3";
	 local strToEncoding="$4";

	 if [ -z "$strSrcFileName" ]; then
	 processLength0 "$strSrcFileName";
	 return 11;
	 fi;

	 # A DEAD symbolic link IS AN EXISTING FILE to this function.
	 # But "test -e" to a dead link returns 1.
	 # As a result, put "processSL" HERE BEFORE "test -e".
	 if [ -L "$strSrcFileName" ]; then
	 processSL "$strSrcFileName" "$strDesFileName";
	 return 0;
	 fi;

	 if [ ! -e "$strSrcFileName" ]; then
	 processNE "$strSrcFileName";
	 return 12;
	 fi;

	 if [ ! -r "$strSrcFileName" ]; then
	 processNR "$strSrcFileName";
	 return 13;
	 fi;

	 if [ -d "$strSrcFileName" ]; then
	 processDir "$strSrcFileName" "$strDesFileName" "$strFromEncoding" "$strToEncoding";
	 return 0;
	 fi;

	 if [ -f "$strSrcFileName" ]; then
	 processFile "$strSrcFileName" "$strDesFileName" "$strFromEncoding" "$strToEncoding";
	 return 0;
	 fi;

	 processAbnormal "$strSrcFileName";
	 return 14;
	}

	echo2()
	{
	 local strMsg="$1";
	 echo "$strMsg";
	 echo "$strMsg">&2;
	}

	processAbnormal()
	{
	 echo2 "Abnormal \\"$1\\".";
	 return 0;
	}

	processNE()
	{
	 echo2 "! -e \\"$1\\"";
	read;
	 return 0;
	}

	processLength0()
	{
	 echo2 "-z \\"$1\\"";
	 return 0;
	}

	processNR()
	{
	 echo2 "! -r \\"$1\\"";
	 return 0;
	}

	processDNX()
	{
	 echo2 "DIR ! -x \\"$1\\"";
	 return 0;
	}

	processDir()
	{
	 local strSrcDirName="$1";
	 local strDesDirName="$2";
	 local strFromEncoding="$3";
	 local strToEncoding="$4";

	 if [ ! -r "$strSrcDirName" ]; then
	 processDNX "$strSrcDirName";
	 return 11;
	 fi;

	 echo "\\"$strSrcDirName\\"";
	 echo " Directory, accessable; from \\"$strFromEncoding\\" to \\"$strToEncoding\\".";

	 mkdir -p "$strDesDirName";
	 intRetCode=$?;
	 if [ 0 -ne $intRetCode ]; then
	 echo2 " Failed [mkdir -p \\"$strDesDirName\\"].";
	 intStatCode=11; return $intStatCode;
	 fi;

	 local IFS_BK=$IFS;
	 IFS=$'\\n';
	 local fileNameList="$(ls -A $strSrcDirName)";
	 for strSubFileName in $fileNameList; do
	 tfw_deep_demo "$strSrcDirName/$strSubFileName" "$strDesDirName/$strSubFileName" "$strFromEncoding" "$strToEncoding";
	 done;
	 IFS=$IFS_BK;

	 touchTimeStamp "$strSrcFileName" "$strDesFileName";
	 return 0;
	}

	processSL()
	{
	 local strSrcFileName="$1";
	 local strDesFileName="$2";

	 echo "\\"$strSrcFileName\\"";
	 echo " Symbolic link, use \\"cp -af\\"";

	 cp -af "$strSrcFileName" "$strDesFileName";
	 intRetCode=$?;
	 if [ 0 -ne $intRetCode ]; then
	 echo2 " Failed [cp -af \\"$strSrcFileName\\" "$strDesFileName"].";
	 intStatCode=11; return $intStatCode;
	 fi;

	 # touchTimeStamp "$strSrcFileName" "$strDesFileName";
	 return 0;
	}

	processFile()
	{
	 local strSrcFileName="$1";
	 local strDesFileName="$2";
	 local strFromEncoding="$3";
	 local strToEncoding="$4";

	 echo "\\"$strSrcFileName\\"";
	 echo " File, readable; from \\"$strFromEncoding\\" to \\"$strToEncoding\\".";
	 local intStatCode=0;
	 local intRetCode=0;

	 # No converting to HTML file or HTML template.
	 convertOrNot "$strSrcFileName";
	 intRetCode=$?;
	 if [ 0 -ne $intRetCode ]; then
	 echo " Not to convert \\"$strSrcFileName\\", just cp.";
	 cp -af "$strSrcFileName" "$strDesFileName";
	 intStatCode=1; return $intStatCode;
	 fi;

	 # Test converting.
	 iconv -f "$strFromEncoding" -t "$strToEncoding" "$strSrcFileName">"/dev/null";
	 intRetCode=$?;
	 if [ 0 -ne $intRetCode ]; then
	 echo2 " Failed testing \\"$strSrcFileName\\", iconv returns $intRetCode";
	 cp -af "$strSrcFileName" "$strDesFileName";

	 touchTimeStamp "$strSrcFileName" "$strDesFileName";
	 intStatCode=12; return $intStatCode;
	 fi;

	 # Converting.
	 iconv -f "$strFromEncoding" -t "$strToEncoding" "$strSrcFileName">"$strDesFileName";
	 intRetCode=$?;
	 if [ 0 -ne $intRetCode ]; then
	 echo2 " Failed convetring \\"$strSrcFileName\\", iconv returns $intRetCode";
	 intStatCode=13; return $intStatCode;
	 fi;

	 touchTimeStamp "$strSrcFileName" "$strDesFileName";
	 return $intStatCode;
	}

	convertOrNot()
	{
	 local strFileName="$1";
	 local strFilePostfix="${strFileName##*.}";
	 local strList=$(echo -e "html\\nhtm\\nmht\\nasp\\nphp\\njs\\njsp\\ndesktop");
	 for strOneToMatch in $strList; do
	 if [[ $strOneToMatch == $strFilePostfix ]]; then
	 return 1;
	 fi;
	 done;
	 return 0;
	}

	touchTimeStamp()
	{
	 # "touch -cr" can not handle a symbolic link.
	 # Have to use another way.

	 local strSrcFileName="$1";
	 local strDesFileName="$2";

	 local strTimeStampMidRst=$(stat -c %x "$strSrcFileName" | awk -F. '{print $1}' | awk '{print $1$2}' | awk -F- '{print $1$2$3}');
	 local strTimeStampA=$(echo "$strTimeStampMidRst" | awk -F: '{print $1$2}');
	 local strTimeStampB=$(echo "$strTimeStampMidRst" | awk -F: '{print $3}');
	 local strAtime="$strTimeStampA.$strTimeStampB";

	 strTimeStampMidRst=$(stat -c %y "$strSrcFileName" | awk -F. '{print $1}' | awk '{print $1$2}' | awk -F- '{print $1$2$3}');
	 strTimeStampA=$(echo "$strTimeStampMidRst" | awk -F: '{print $1$2}');
	 strTimeStampB=$(echo "$strTimeStampMidRst" | awk -F: '{print $3}');
	 local strMtime="$strTimeStampA.$strTimeStampB";

	 # "-c" to prevent creating a file for a DEAD symbolic link.
	 touch -cmt $strMtime "$strDesFileName";
	 touch -cat $strAtime "$strDesFileName";
	}

	tfw_deep_demo "$1" "$2" "$3" "$4";

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