FILE HANDLING

[TessaAliyd]

Can someone plz!! assist me on how to write data from an integer array to a file and how to read data from a file into an integer array. Please I really Need help asap. Oh the language is C or C++, BUT Preferably ‘C’

[GWILouisaxwzkla]

could do in C++ ( C is similar ):

<br /> /****************************************************************<br /> * File Name : c:programstempCG.cpp<br /> * Date : May 16, 2009<br /> * Comments : new project<br /> * Compiler/Assembler :<br /> * Modifications :<br /> *<br /> *<br /> *<br /> *<br /> *<br /> * Program Shell Generated At: 12:40:41 a.m.<br /> =-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/<br /> <br /> <br /> #include <br /> #include <br /> //#include <br /> //#include <br /> //#include <br /> //#include <br /> <br /> using namespace std;<br /> <br /> <br /> //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ FUNCTION PROTOTYPES @@@@@@@@@@@@@@@@@@@@@@@@@@<br /> <br /> void readArrayFromFile ( int * inputArray , char * fileName , int arrayLength );<br /> void writeArrayToFile ( int * outputArray , char * fileName , int arrayLength );<br /> <br /> //##################################################################################<br /> <br /> <br /> //main function ******************************<br /> <br /> int main ( )<br /> {<br /> int array [ 10 ] = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 };<br /> <br /> <br /> writeArrayToFile ( array , "c:\programs\data.txt" , 10 );<br /> readArrayFromFile ( array , "c:\programs\data.txt" , 10 );<br /> <br /> <br /> <br /> return 0 ;<br /> }<br /> <br /> <br /> /******************************* FUNCTION DEFINITION ******************************<br /> <br /> Name : readArrayFromFile<br /> Parameters :<br /> <br /> inputArray a(n) int * ( int * ) ,<br /> fileName a(n) char * ( char * )<br /> <br /> <br /> Returns: Void type<br /> Comments:<br /> <br /> <br /> <br /> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/<br /> void readArrayFromFile ( int * inputArray , char * fileName , int arrayLength )<br /> {<br /> <br /> fstream file ( fileName );<br /> <br /> if ( file.fail() )<br /> {<br /> cout &lt;&lt; &quot;input file did not open&quot; &lt;&lt; endl;<br /> return;<br /> }<br /> <br /> int i = 0;<br /> while ( i &lt; arrayLength )<br /> {<br /> file &gt;&gt; inputArray [ i ];<br /> i ++;<br /> }<br /> file.close();<br /> return;<br /> }<br /> /******************************* FUNCTION DEFINITION ******************************<br /> <br /> Name : writeArrayToFile<br /> Parameters :<br /> <br /> outputArray a(n) int * ( int * ) ,<br /> fileName a(n) char * ( char * )<br /> <br /> <br /> Returns: Void type<br /> Comments:<br /> <br /> <br /> <br /> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/<br /> void writeArrayToFile ( int * outputArray , char * fileName , int arrayLength )<br /> {<br /> <br /> ofstream file ( fileName );<br /> <br /> if ( file.fail() )<br /> {<br /> cout &lt;&lt; &quot;output file did not open&quot; &lt;&lt; endl;<br /> return;<br /> }<br /> <br /> int i = 0;<br /> while ( i &lt; arrayLength )<br /> {<br /> file &lt;&lt; outputArray [ i ] &lt;&lt; &quot; &quot;;<br /> i ++;<br /> }<br /> file.close();<br /> <br /> return;<br /> }<br /> <br /> <br />

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<br /> /****************************************************************<br /> * File Name : c:programstempCG.cpp<br /> * Date : May 16, 2009<br /> * Comments : new project<br /> * Compiler/Assembler :<br /> * Modifications :<br /> *<br /> *<br /> *<br /> *<br /> *<br /> * Program Shell Generated At: 12:40:41 a.m.<br /> =-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/<br /> <br /> <br /> #include <br /> #include <br /> //#include <br /> //#include <br /> //#include <br /> //#include <br /> <br /> using namespace std;<br /> <br /> <br /> //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ FUNCTION PROTOTYPES @@@@@@@@@@@@@@@@@@@@@@@@@@<br /> <br /> void readArrayFromFile ( int * inputArray , char * fileName , int arrayLength );<br /> void writeArrayToFile ( int * outputArray , char * fileName , int arrayLength );<br /> <br /> //##################################################################################<br /> <br /> <br /> //main function ******************************<br /> <br /> int main ( )<br /> {<br /> int array [ 10 ] = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 };<br /> <br /> <br /> writeArrayToFile ( array , "c:\programs\data.txt"  , 10 );<br /> readArrayFromFile ( array , "c:\programs\data.txt" , 10 );<br /> <br /> <br /> <br /> return 0 ;<br /> }<br /> <br /> <br /> /******************************* FUNCTION DEFINITION ******************************<br /> <br /> Name : readArrayFromFile<br /> Parameters :<br /> <br /> inputArray a(n) int * ( int * )  ,<br /> fileName a(n) char * ( char * )<br /> <br /> <br /> Returns: Void type<br /> Comments:<br /> <br /> <br /> <br /> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/<br /> void readArrayFromFile ( int * inputArray , char * fileName , int arrayLength )<br /> {<br /> <br /> fstream file ( fileName );<br /> <br /> if (  file.fail() )<br /> {<br /> cout &lt;&lt; &quot;input file did not open&quot; &lt;&lt; endl;<br /> return;<br /> }<br /> <br /> int i = 0;<br /> while ( i &lt; arrayLength )<br /> {<br /> file &gt;&gt; inputArray [ i ];<br /> i ++;<br /> }<br /> file.close();<br /> return;<br /> }<br /> /******************************* FUNCTION DEFINITION ******************************<br /> <br /> Name : writeArrayToFile<br /> Parameters :<br /> <br /> outputArray a(n) int * ( int * )  ,<br /> fileName a(n) char * ( char * )<br /> <br /> <br /> Returns: Void type<br /> Comments:<br /> <br /> <br /> <br /> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/<br /> void writeArrayToFile ( int * outputArray , char * fileName , int arrayLength )<br /> {<br /> <br /> ofstream file ( fileName );<br /> <br /> if (  file.fail() )<br /> {<br /> cout &lt;&lt; &quot;output file did not open&quot; &lt;&lt; endl;<br /> return;<br /> }<br /> <br /> int i = 0;<br /> while ( i &lt; arrayLength )<br /> {<br /> file &lt;&lt; outputArray [ i ] &lt;&lt; &quot; &quot;;<br /> i ++;<br /> }<br /> file.close();<br /> <br /> return;<br /> }<br /> <br /> <br />

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