Re: Command Languages Versus Programming Languages

Rainer Weikusat <rweikusat@talktalk.net> writes:
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[...]
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Something which would match [0-9]+ in its first argument (if any) would
be:
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#include "string.h"
#include "stdlib.h"
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int main(int argc, char **argv)
{
    char *p;
    unsigned c;
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    p = argv[1];
    if (!p) exit(1);
    while (c = *p, c && c - '0' > 10) ++p;

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This needs to be
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while (c = *p, c && c - '0' > 9) ++p