training

[Michael Havens]

so please, do share.... why wouldn't my version compile?


> > On Mon, Dec 19, 2011 at 4:04 PM, Kevin Fries <kevin at fries-biro.com>
> wrote:
> >>
> >> kfries at kfries-laptop:tmp$ cat ex2.c
> >> #include <stdio.h>
> >> #include <stdlib.h>
> >>
> >> int main (int argc, char **argv) {
> >>   int argcount = 1;
> >>   int mode;
> >>
> >>   while (argcount < argc) {
> >>      if (strcmp(argv[argcount], "-mode1") == 0) {
> >>         argcount++;
> >>         printf("Mode 1 Parameter = %s\n", argv[argcount++]);
> >>         mode = 1;
> >>      } else if (strcmp(argv[argcount], "-mode2") == 0) {
> >>         argcount++;
> >>         printf("Mode 2 Parameter = %s\n", argv[argcount++]);
> >>         mode = 2;
> >>      } else {
> >>         printf("Unknown command %s\n", argv[argcount]);
> >>         exit(1);
> >>      }
> >>   }
> >>
> >>   printf("End of program in mode %d\n", mode);
> >> }
> >>
> >>
> >> kfries at kfries-laptop:tmp$ gcc -o ex2 ex2.c
> >> kfries at kfries-laptop:tmp$ ./ex2 -mode1 hello
> >> Mode 1 Parameter = hello
> >> End of program in mode 1
> >> kfries at kfries-laptop:tmp$ ./ex2 -mode2 world
> >> Mode 2 Parameter = world
> >> End of program in mode 2
> >> kfries at kfries-laptop:tmp$ ./ex2 -mode3 foobar
> >> Unknown command -mode3
> >> kfries at kfries-laptop:tmp$
> >>
> >>
> >>
> >> Kevin Fries
> >>
> >>
> >>
> >> On Mon, 2011-12-19 at 15:48 -0700, Michael Havens wrote:
> >> > #include <stdio.h>
> >> > int main (int argc, char * argv[])
> >> > {
> >> > int argcount=1; /* argv 1 is the first parameter */
> >> > int mode;
> >> > while(argcount < argc )
> >> >     {
> >> >     if(strcmp(argv[argcount],"-mode1") == 0)
> >> >         {
> >> >         argcount++;
> >> >         printf("mode 1 parameter = %s\n",argv[argcount ++]);
> >> >         mode =1;
> >> >         }
> >> >     else if (strcmp(argv[argcount],"-mode2") == 0)
> >> >         {
> >> >         argcount++;
> >> >         printf("mode 2 parameter = %s\n",argv[argcount ++]);
> >> >         mode =2;
> >> >         }
> >> >     else if(strcmp(argv[argcount],"-help") == 0)
> >> >         {
> >> >         argcount++;
> >> >         printf("Help mode\n");
> >> >         }
> >> >     else
> >> >         {
> >> >         printf("unknown command %s\n",argv[argcount]);
> >> >         exit(1);
> >> >         }
> >> >     }
> >> > printf("end of program in mode %d\n",mode);
> >> > }
> >>
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> >
> >
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-- 
:-)~MIKE~(-:
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