批處理怎么用一個(gè)文件中的字符串替換另一個(gè)文件的字符串a(chǎn).txt文件如下（a.txt是系統(tǒng)生成的每天都變但形式是一樣的）：lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.1012040537..C:lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.1012040537..C:lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.1012040537..C:lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.1012040537..C:lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.1012040537..C:lk2.MSSQL7.LK2.db.cis.~.7.001of001.1012040305..C:lk2.MSSQL7.LK2.db.cis.~.7.001of001.1012040305..C:lk2.MSSQL7.LK2.db.cis.~.7.001of001.1012040305..C:lk2.MSSQL7.LK2.db.cis.~.7.001of001.1012040305..C:lk2.MSSQL7.LK2.db.cis.~.7.001of001.1012040305..C:b.txt 如下：OPERATION RESTOREOBJECTTYPE DATAbaseRESTORETYPE MOVEDATAbase yydbMOVEyjdb_DataTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDatayjdbnew.mdfMOVEyjdb_LogTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDatayjdbnew_log.ldf # The following image is type: FullNBIMAGE lk2.MSSQL7.LK2.db.yydb.~.7.001of001.0826123219..CSQLHOST backup-YXNBSERVER NBUSERVER02b1.txt如下：OPERATION RESTOREOBJECTTYPE DATAbaseRESTORETYPE MOVEDATAbase ywdbMOVEnewksyy_DataTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataywdb.mdfMOVEnewksyy_LogTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataywdb_log.ldf# The following image is type: FullNBIMAGE lk2.MSSQL7.LK2.db.ywdb.~.7.001of001.0826123057..CSQLHOST backup-YXNBSERVER NBUSERVER02b2.txt如下：OPERATION RESTOREOBJECTTYPE DATAbaseRESTORETYPE MOVEDATAbase cisMOVEcis_DataTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDatacis.MDFMOVEcis_LogTOD:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDatacis__Log.LDF# The following image is type: FullNBIMAGE lk2.MSSQL7.LK2.db.cis.~.7.001of001.1005040303..CSQLHOST backup-YXNBSERVER NBUSERVER02現(xiàn)在想用批處理將a.txt中的lk2.MSSQL7.LK2.db.yydb.~.7.001of001.1012040736..C:這一行（就是看這個(gè)中間含有yydb）不要最后兩個(gè)字符也就是:這兩個(gè)字符不要，其它這一行復(fù)制出來粘帖出來替換b.txt中NBIMAGE后面單引號(hào)里面的內(nèi)容，生成c.txt下面的同理，將中間含有ywdb的第一行不要最后兩個(gè)字符也就是:這兩個(gè)字符不要，其它這一行復(fù)制出來粘帖出來替換b1.txt中NBIMAGE后面單引號(hào)里面的內(nèi)容生成c1.txt將中間含有cis的第一行不要最后兩個(gè)字符也就是:這兩個(gè)字符不要，其它這一行復(fù)制出來粘帖出來替換b2.txt中NBIMAGE后面單引號(hào)里面的內(nèi)容,生成c2.txt