charbar.c

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

/*print a character bar for output to a status bar like dwm*/
/*usage charbar X, with x between 1 and 100*/

int main(int argc, char *argv[])
{
    /*check the args*/
    if(argc > 2)
    {
        printf("Too many arguments\n");
        exit(1);
    }
    else if (argc == 1)
    {
        printf("One argument expected\n");
        exit(1);
    }

    int max = 10;
    int act = atoi(argv[1])/10;
    char out[20] = "";
    int aux,i;

    if(act > 10)
        exit(1);

    aux = max - act;

    for(i=1;i<=act;i++)
    {
        /*insert the symbol*/
        strcat (out,"");
    }

    for(i=1;i<=aux;i++)
    {
        /*insert a whitespace*/
        strcat (out," ");
    }

    /*print the bar*/
    printf("[%s]\n",out);
    return 0;

}