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  • Command line argument in C

    @HIMANSHU
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    You can pass command line argument in C programming.

     

    The command line argument is handled by the program main function where argc[] is total number of  arguments passed, and argv[] is a array which points number of parameters passed in the program.

     

     

    1. #include <stdio.h>
    2.  
    3. int main( int argc, char *argv[] )  {
    4.  
    5.    if( argc == 2 ) {
    6.       printf("The argument supplied is %s\n", argv[1]);
    7.    }
    8.    else if( argc > 2 ) {
    9.       printf("Too many arguments supplied.\n");
    10.    }
    11.    else {
    12.       printf("One argument expected.\n");
    13.    }
    14. }

     

    argv[] is the program name and argv[1] is like pointer to the command line, and *argv[n] is the last argument.

     

    1. #include <stdio.h>
    2.  
    3. int main( int argc, char *argv[] )  {
    4.  
    5.    printf("Program name %s\n", argv[0]);
    6.  
    7.    if( argc == 2 ) {
    8.       printf("The argument supplied is %s\n", argv[1]);
    9.    }
    10.    else if( argc > 2 ) {
    11.       printf("Too many arguments supplied.\n");
    12.    }
    13.    else {
    14.       printf("One argument expected.\n");
    15.    }
    16. }

     

     

    .net
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