@shady and @varun ...
i hav got it
thanx both of u :)
On Fri, Jul 22, 2011 at 11:31 AM, shady <[email protected]> wrote:
> @aditi the problem is scanf returns -1(EOF value) when it encounters the
> end of file, and inspite of comparing the return value of scanf he is
> comparing value of character 'a' which is not correct....
> therefore the for loop should be like this :::::::::::::::::::::::::
>
> for(int t=scanf("%c",&a);t!=EOF;t=scanf("%c",&a))
>
> what varun suggested is another way of doing it :)
>
> On Fri, Jul 22, 2011 at 11:41 PM, aditi garg <[email protected]>wrote:
>
>> @shady. so in this case we shud use a!=-1 as the condition??
>>
>>
>> On Fri, Jul 22, 2011 at 11:37 PM, shady <[email protected]> wrote:
>>
>>> you are scanning from stdin therefore it is not coming out of first for
>>> loop... because your terminating condition is for EOF, which is -1( scanf
>>> returns -1 ) at the end.
>>>
>>>
>>> On Fri, Jul 22, 2011 at 11:34 PM, shady <[email protected]> wrote:
>>>
>>>> well you didn't mention the question, directly posted the code with no
>>>> head-tail... wait will answer, it is not coming out of first loop
>>>>
>>>>
>>>> On Fri, Jul 22, 2011 at 11:26 PM, geek forgeek
>>>> <[email protected]>wrote:
>>>>
>>>>> @shady this is nt a joke..
>>>>> sorry if i am asking too stupid question
>>>>> i m getting an infinite loop here.
>>>>> not getting how?
>>>>>
>>>>>
>>>>> On Fri, Jul 22, 2011 at 10:40 AM, shady <[email protected]> wrote:
>>>>>
>>>>>> what kind of joke is this ?
>>>>>>
>>>>>> On Fri, Jul 22, 2011 at 11:02 PM, geek forgeek <[email protected]
>>>>>> > wrote:
>>>>>>
>>>>>>> #include<stdio.h>
>>>>>>> main()
>>>>>>> {
>>>>>>> FILE *fp;
>>>>>>> char a;
>>>>>>> fp=fopen("old.out","w");
>>>>>>> if(fp==0)
>>>>>>> printf("File opening error");
>>>>>>> else
>>>>>>> {
>>>>>>> for(scanf("%c",&a);a!=EOF;scanf("%c",&a))
>>>>>>> fprintf(fp,"%c",a);
>>>>>>> fclose(fp);
>>>>>>> fp=fopen("old.out","r");
>>>>>>> while(!feof(fp))
>>>>>>> putchar(getc(fp));
>>>>>>> }
>>>>>>> }
>>>>>>>
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>>
>>
>>
>> --
>> Aditi Garg
>> Undergraduate Student
>> Electronics & Communication Divison
>> NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
>> Sector 3, Dwarka
>> New Delhi
>>
>> 9718388816
>>
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>
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