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#include <stdio.h>
#include <string.h>
char s[256];
char *p;
int r,n,i;
int main() {
while (1) {
printf("请输入一行文字(空行结束),\"%%20\"将替换为\" \",\"你懂得\"将替换为\"XXXXXX\":\n");
fgets(s,256,stdin);
if ('\n'==s[0]) break;
p=s;
while (1) {
p=strstr(p,"%20");
if (p) {
memmove(p+1,p+3,strlen(p)-3+1);
p[0]=' ';
} else break;
}
p=s;
while (1) {
p=strstr(p,"你懂得");
if (p) {
memmove(p+6,p+6,strlen(p)-6+1);
for (i=0;i<6;i++) p[i]='X';
} else break;
}
printf("%s",s);
}
return 0;
}
//请输入一行文字(空行结束),"%20"将替换为" ","你懂得"将替换为"XXXXXX":
//abcdefg%20helloworld%20something.pdf
//abcdefg helloworld something.pdf
//请输入一行文字(空行结束),"%20"将替换为" ","你懂得"将替换为"XXXXXX":
//这是测试文字你懂得,在这个你懂的地方,就得做你懂得的事
//这是测试文字XXXXX,在这个你懂的地方,就得做XXXXX的事
//请输入一行文字(空行结束),"%20"将替换为" ","你懂得"将替换为"XXXXXX":
//
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <io.h>
FILE *f;
char ln[64+1];//Because sscanf(argv[66],"%hx",&ln[66-3]); modify ln[63] and ln[64] !
int i,j,k;
long location;
void main(int argc,char *argv[]) {
if (argc<=3) {
cprintf("Locate & Replace, designed by Zhao Zhong\n\r");
HELP:
cprintf("Usage: LR filename.ext location byte1 byte2 byte3 ...");
return;
}
if (argc>64+3) {
cprintf("Up to 64 bytes\a");
return;
}
if ((f=fopen(argv[1],"r+b"))==NULL) {
cprintf("Can not open %s\a",argv[1]);
return;
}
if (1!=sscanf(argv[2],"%lx",&location)) {fclose(f);goto HELP;}
if (location>=filelength(fileno(f))) {
cprintf("Location too large\a");
fclose(f);
return;
}
for (i=3;i<argc;i++) {
if (1!=sscanf(argv[i],"%hx",&ln[i-3])) {fclose(f);goto HELP;}
}
if (fseek(f,location,SEEK_SET)) {
cprintf("fseek to %lx fail\a",location);
fclose(f);
return;
}
if ((int)fwrite(ln,1,argc-3,f)!=argc-3) {
cprintf("fwrite %d bytes fail\a",argc-3);
fclose(f);
return;
}
fclose(f);
}