直接格式化文件名number with leading zeros可能更容易，例如：
The year in four or five digits (depending on the calendar used), including the century. Will pad with leading zeroes to get four digits. Thai Buddhist and Korean calendars both have five digit years; users selecting the "yyyy" pattern will see all five digits without leading zeros for cal...
set /A "_ZPAD=0" & rem // (optionally zero-pad to width) setlocal EnableDelayedExpansion if defined _HEAD (set "LINE=") else (set "LINE=#") rem // Read file line by line: for /F usebackq^ delims^=^ eol^= %%J in ("!_FILE!") do ( if defined LINE ( set "LINE...
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how to pad left and right in sql select statement How to Parse an XML with Multiple Nodes and Attributes How to parse SOAP XML in SQL Server and show as table data How to Partition Table by Uniqueidentifier column SQL Server 2005 How to Pass a filename as variable in OPENROWSET(BULK fi...