本文所述實(shí)例為Python處理文本文件并生成指定格式文件的方法,具體實(shí)現(xiàn)功能代碼如下所示:
import os import sys import string #以指定模式打開指定文件,獲取文件句柄 def getFileIns(filePath,model): print("打開文件") print(filePath) print(model) return open(filePath,model) #獲取需要處理的文件 def getProcFile(path): return os.listdir(path) #判斷是否滿足某個(gè)條件,如果滿足則執(zhí)行 def isTrue(outFileIns,s): findStr1 = "LINE_COUNT_UPDATE INTEGER := 0;" writeStr1 = "LINE_COUNT_ERROR INTEGER := 0; --錯(cuò)誤數(shù)據(jù)XX條" findStr2 = "DBMS_OUTPUT.PUT_LINE('處理完畢" writeStr2 = "DBMS_OUTPUT.PUT_LINE('錯(cuò)誤數(shù)據(jù)['||LINE_COUNT_ERROR||']條.');" findStr3 = "DBMS_OUTPUT.PUT_LINE('插入數(shù)據(jù)['||CUR_RESULT.INT_ID||']時(shí)發(fā)生異常...');" writeStr3 = "LINE_COUNT_ERROR := LINE_COUNT_ERROR+1;" findStr4 = "DBMS_OUTPUT.PUT_LINE('更新數(shù)據(jù)['||CUR_RESULT.INT_ID||']時(shí)發(fā)生異常...');" if s.find(findStr1) != -1: outFileIns.write(s) outFileIns.write(writeStr1+"\n") elif s.find(findStr2) != -1: outFileIns.write(s) outFileIns.write(writeStr2+"\n") elif s.find(findStr3) != -1: outFileIns.write(s) outFileIns.write("\t\t\t\t"+writeStr3+"\n") elif s.find(findStr4) != -1: outFileIns.write(s) outFileIns.write("\t\t\t\t\t"+writeStr3+"\n") elif s.find("CS_OSLGIS") != -1: outFileIns.write(s.replace("CS_OSLGIS","CQ_RMW")) elif s.find("AND A.LONGITUDE >") != -1: outFileIns.write("\t\t\tAND A.LONGITUDE IS NOT NULL\n\t\t\tAND A.LONGITUDE IS NOT NULL\n\t\t\tAND ROWNUM<2\n") elif s.find(") LOOP") != -1: outFileIns.write("\t\t) LOOP\n") else: outFileIns.write(s.replace("||')',2","||')',3")) #讀取并處理文本 def getAndProc(inFileIns,outFileIns): lines = inFileIns.readlines() for s in lines: #print(s) isTrue(outFileIns,s) if __name__=="__main__": inFileMod = "r" outFileMod = "w" path = "D:\\rmsdata2gis" for tmpFile in os.listdir(path): inFilePath = path+"\\"+tmpFile outFilePath = path+"\\BAK_"+tmpFile inFileIns = getFileIns(inFilePath,inFileMod) outFileIns = getFileIns(outFilePath,outFileMod) getAndProc(inFileIns,outFileIns) inFileIns.close() outFileIns.close()
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