For breaking the first loop after the input gives EOF.
u can write it as.
for(;~scanf("%c",&a); )
On Fri, Jul 22, 2011 at 11:43 PM, LALIT SHARMA <[email protected]> wrote:
> No, actually , a is defined as char ... and comparing char with EOF ,,
> makes it go in infinte loop...as it never returns false.
>
> correct me if i am wrong...
>
>
> 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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>
>
>
> --
> Lalit Kishore Sharma,
>
> IIIT Allahabad,
> 7th Sem.
> Contact No. - +919670057056 , +918957935169
>
>
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--
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7th Sem.
Indian Institute of Information Technology Allahabad.
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