删除文件中指定字符串的所有行

 

/*生成test.exe,同时在此目录下编译一个exec.bat内容test.exe aaa.txt 03:同时此目录下要有对应的aaa.txt内容：01:aaaaaaaaaa02:bbbbbbbbb03:cccccccccccc04:ddddddddddd05:eeeeeeeeee运行exec.bat则会生成dst.txt内容为更改后的文件01:aaaaaaaaaa02:bbbbbbbbb04:ddddddddddd05:eeeeeeeeee*/#include "stdio.h"#include "string.h"#define DST_FILE "dst.txt"#define SRC_FILE "src.txt"#define MAX_LEN 256static char achBuf[MAX_LEN] = {0};static int RemoveSameStringLine(int argc, char **argv){FILE *fpSrc = NULL;FILE *fpDst = NULL;char achStr[50] = {0};int nCount = 0;int nArgc = 0;char achSrcF[50] = {0};#if 1if (argc < 2){printf("parameter is less than < 2/n");return -1;}strcpy(achSrcF, argv[1]);strcpy(achStr, argv[2]);printf("argc: %d/n", argc);for (nArgc = 0; nArgc < argc; nArgc++){printf("argv[%d]: %s/n", nArgc, argv[nArgc]);}for (nArgc = 3; nArgc < argc; nArgc++){strcat(achStr, " ");strcat(achStr, argv[nArgc]);}#elsestrcpy(achSrcF, SRC_FILE)strcpy(achStr, SEEK_STR);printf("argv:[0]-%s,[1]-%s,[2]-%s/n", argv[0], SRC_FILE, SEEK_STR);#endifprintf("File:%s find str:/"%s/", and remove this str line/n", achSrcF, achStr);fpSrc = fopen(achSrcF, "rt");if (NULL== fpSrc){printf("Open source file: %s failed/n", SRC_FILE);return -1;}fpDst = fopen(DST_FILE, "wt");if (NULL== fpDst){printf("Create source file: %s failed/n", DST_FILE);fclose(fpSrc);return -1;}nCount = 0;while (!feof(fpSrc)){memset(achBuf, 0, sizeof(achBuf));fgets(achBuf, sizeof(achBuf), fpSrc);if (NULL == strstr(achBuf, achStr)){fputs(achBuf, fpDst);}else{nCount++;}}fclose(fpSrc);fclose(fpDst);printf("Total Count Same string:%d/n", nCount);return 0;}int main(int argc, char *argv[]){int nRet;nRet = RemoveSameStringLine(argc, argv);printf("RemoveSameStringLine-ret:%d/n", nRet);return 0;}