need help in adding a charecter to the file name

[Archie7891]

Hello,

if the account number is “abcd” then i need to have to check whether “abcd1” or “abcd2” or …… is existing or not.

if it is not existing then i need to create it.

so how can i do this

any suggestions

[Archie7891]

hello see i have an account name abcd already exixting in DB

and i need to get that account number from the DB and then check in a particular location that, that particular file is present or not like abcd1 or2 or 3…

and then suppose if abcd2 is present then it should create a new file by the name abcd3

like this it should go on

now i hope you can help me

[GWILouisaxwzkla]

could just do this:

<br /> /****************************************************************<br /> * File Name : c:programstempCG.cpp<br /> * Date : September,9,2009<br /> * Comments : new project<br /> * Compiler/Assembler : Visual C++ 6.0<br /> * Modifications :<br /> *<br /> *<br /> *<br /> *<br /> *<br /> * Program Shell Generated At: 6:23:04 p.m.<br /> =-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/<br /> <br /> <br /> #include < stdio.h ><br /> #include < string.h ><br /> #include < stdlib.h ><br /> //#include < math.h ><br /> //#include < iomanip ><br /> //#include < ctype.h ><br /> <br /> <br /> <br /> //main function ******************************<br /> <br /> int main ( )<br /> {<br /> <br /> char str [ 20 ];<br /> char numberStr [ 10 ];<br /> <br /> strcpy ( str , "c:\data\file" );<br /> <br /> int stringLength = strlen ( str );<br /> <br /> int j = 0;<br /> while ( j < 10 )<br /> {<br /> <br /> itoa ( j , numberStr, 10 );<br /> strcpy ( str + stringLength , numberStr );<br /> printf ( "%s" , str );<br /> printf ( "n" );<br /> FILE * file = fopen ( str , "a" );<br /> //..................<br /> j ++;<br /> }<br /> return 0 ;<br /> }<br /> <br /> <br />

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<br /> /****************************************************************<br /> * File Name : c:programstempCG.cpp<br /> * Date : September,9,2009<br /> * Comments : new project<br /> * Compiler/Assembler : Visual C++ 6.0<br /> * Modifications :<br /> *<br /> *<br /> *<br /> *<br /> *<br /> * Program Shell Generated At: 6:23:04 p.m.<br /> =-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/<br /> <br /> <br /> #include < stdio.h ><br /> #include < string.h ><br /> #include < stdlib.h ><br /> //#include < math.h ><br /> //#include < iomanip ><br /> //#include < ctype.h ><br /> <br /> <br /> <br /> //main function ******************************<br /> <br /> int main ( )<br /> {<br /> <br /> char str [ 20 ];<br /> char numberStr [ 10 ];<br /> <br /> strcpy ( str , "c:\data\file" );<br /> <br /> int stringLength = strlen ( str );<br /> <br /> int j = 0;<br /> while ( j < 10 )<br /> {<br /> <br /> itoa ( j , numberStr, 10 );<br /> strcpy ( str + stringLength , numberStr );<br /> printf ( "%s" , str  );<br /> printf ( "n" );<br /> FILE * file = fopen ( str , "a" );<br /> //..................<br /> j ++;<br /> }<br /> return 0 ;<br /> }<br /> <br /> <br />

[LenoraRamsey]

Try this code for you requirement It will solve you problem.
As you want it will check for abcd if it is there it will check for abcd1 file.

<br /> #include<stdio.h><br /> #include<string.h><br /> #include<stdlib.h><br /> #include<limits.h><br /> <br /> char *reverse(char s[])<br /> {<br /> int c,i,j;<br /> <br /> for(i=0,j=strlen(s)-1;i<j;i++,j--)<br /> {<br /> c=s<i>;<br /> s</i><i>=s[j];<br /> s[j]=c;<br /> }<br /> return s;<br /> }<br /> <br /> <br /> <br /> char *itoa(int n)<br /> {<br /> char s[100];<br /> int i,sign,ind=0,mod,w=0;<br /> if((sign=n)&lt;0){<br /> if(sign<=INT_MIN)<br /> {<br /> mod=-(n%10);<br /> n=n/10;<br /> ind=1;<br /> }<br /> n=-n;<br /> }<br /> i=0;<br /> do<br /> {<br /> if(ind==1)<br /> {<br /> s[0]=mod+'0';<br /> i++;<br /> ind=0;<br /> }<br /> s[i++]=n%10+'0';<br /> <br /> }while((n/=10)>0);<br /> s</i><i>='�';<br /> return (reverse(s));<br /> }<br /> <br /> int exists(const char *filename)<br /> {<br /> FILE *f = fopen(filename, "r");<br /> if (!f) return 0;<br /> fclose(f);<br /> return 1;<br /> }<br /> <br /> int main ( )<br /> {<br /> char str [1024];<br /> strcpy(str,"abcd");<br /> int num = 0;<br /> int created = 0;<br /> while(created == 0)<br /> {<br /> num++;<br /> if(exists(str))<br /> {<br /> char numb[100];<br /> strcpy(str,"abcd");<br /> strcpy(numb,"");<br /> strcpy(numb,itoa(num));<br /> strcat(str,numb);<br /> }<br /> else<br /> {<br /> FILE *f=fopen(str,"w");<br /> printf("%s file createdn",str);<br /> created=1;<br /> fclose(f);<br /> }<br /> }<br /> return 0 ;<br /> }<br /> </i>

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<br /> #include<stdio.h><br /> #include<string.h><br /> #include<stdlib.h><br /> #include<limits.h><br /> <br /> char *reverse(char s[])<br /> {<br /> int c,i,j;<br /> <br /> for(i=0,j=strlen(s)-1;i<j;i++,j--)<br /> {<br /> c=s<i>;<br /> s</i><i>=s[j];<br /> s[j]=c;<br /> }<br /> return s;<br /> }<br /> <br /> <br /> <br /> char  *itoa(int n)<br /> {<br /> char s[100];<br /> int i,sign,ind=0,mod,w=0;<br /> if((sign=n)&lt;0){<br /> if(sign<=INT_MIN)<br /> {<br /> mod=-(n%10);<br /> n=n/10;<br /> ind=1;<br /> }<br /> n=-n;<br /> }<br /> i=0;<br /> do<br /> {<br /> if(ind==1)<br /> {<br /> s[0]=mod+'0';<br /> i++;<br /> ind=0;<br /> }<br /> s[i++]=n%10+'0';<br /> <br /> }while((n/=10)>0);<br /> s</i><i>='';<br /> return (reverse(s));<br /> }<br /> <br /> int exists(const char *filename)<br /> {<br /> FILE *f = fopen(filename, "r");<br /> if (!f) return 0;<br /> fclose(f);<br /> return 1;<br /> }<br /> <br /> int main ( )<br /> {<br /> char str [1024];<br /> strcpy(str,"abcd");<br /> int num = 0;<br /> int created = 0;<br /> while(created == 0)<br /> {<br /> num++;<br /> if(exists(str))<br /> {<br /> char numb[100];<br /> strcpy(str,"abcd");<br /> strcpy(numb,"");<br /> strcpy(numb,itoa(num));<br /> strcat(str,numb);<br /> }<br /> else<br /> {<br /> FILE *f=fopen(str,"w");<br /> printf("%s file createdn",str);<br /> created=1;<br /> fclose(f);<br /> }<br /> }<br /> return 0 ;<br /> }<br /> </i>

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