103. Implement a Simple Shell Command Parser

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Code

#include <stdio.h>
#include <ctype.h>

void parse_shell_input(char *line) {
    // Your logic here
    int index=0;
    int in_token=0;
    while(line[index]!='\0' && line[index]!='\n')
    {
        if(isspace(line[index]))
        {
            if(in_token)
            {
                putchar('\n');
                in_token=0;
            }
        }
        else
        {
            putchar(line[index]);
            in_token=1;
        }
    index++;
    }

    if(in_token)
    {
        putchar('\n'); //last token end
    }

}

int main() {
    char line[101];
    fgets(line, sizeof(line), stdin);

    parse_shell_input(line);
    return 0;
}

Solving Approach

 

 

 

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