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#include<stdio.h>#include<string.h>int main(void){ FILE*stream; char msg[]="this is a test"; char buf[20]; if((stream=fopen("DUMMY.FIL","w+"))==NULL) { fprintf(stderr,"Can not open output file.\n"); return 0; } /*write some data to the file*/ fwrite(msg,1,strlen(msg)+1,stream); /*sizeof（char）=1 seek to the beginning of the file*/ fseek(stream,0,SEEK_SET); /*read the data and display it*/ fread(buf,1,strlen(msg)+1,stream); printf("%s\n",buf); fclose(stream); return 0;} |
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#include<stdio.h>int main(void){ FILE*stream; charlist[30]; inti,numread,numwritten;/*Open file in text mode:*/ if((stream=fopen("fread.out","w+t"))!=NULL) { for(i=0;i<25;i++) list[i]=(char)(‘z‘-i); /*Write 25 characters to stream*/ numwritten=fwrite(list,sizeof(char),25,stream); printf("Wrote %d items\n",numwritten); fclose(stream); } else printf("Problem opening the file\n"); if((stream=fopen("fread.out","r+t"))!=NULL) {/*Attempt to read in 25 characters*/ numread=fread(list,sizeof(char),25,stream); printf("Number of items read=%d\n",numread); printf("Contents of buffer=%.25s\n",list); fclose(stream); } else printf("File could not be opened\n");} |
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<?php $handle=fopen("test.txt","rb"); $contents=""; while(!feof($handle)){ $contents.=fread($handle,8192); } fclose($handle);?> |
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原文地址：http://www.cnblogs.com/AAA-li/p/5891858.html
