On Fri, Dec 5, 2008 at 2:14 PM, Sheldon Givens <[EMAIL PROTECTED]> wrote:
> Hello everyone,
> In the process of migrating the last of a few Linux servers to FreeBSD, we
> ran in to a bit of a snag with one of our scripts when BSD wc didn't have an
> equivalent to the Linux -L. This flag tells wc to keep track of the longest
> line in the input.
>
> Here's a little diff to add this functionality to BSD wc.
>
> With this patch, an additional parameter is added to output that shows the
> length of the longest line
>
> My apologies if this is in the wrong format. I don't often post here.
>
> Happy Holidays,
>
> Sheldon Givens
>
>
> ---snip---
> 65,66c65,66
> < uintmax_t tlinect, twordct, tcharct;
> < int doline, doword, dochar, domulti;
> ---
>> uintmax_t tlinect, twordct, tcharct, tlongline;
>> int doline, doword, dochar, domulti, dolongline;
> 78c78
> < while ((ch = getopt(argc, argv, "clmw")) != -1)
> ---
>> while ((ch = getopt(argc, argv, "clmwL")) != -1)
> 93a94,96
>> case 'L':
>> dolongline = 1;
>> break;
> 127a131,132
>> if (dolongline)
>> (void)printf(" %7ju", tlongline);
> 137c142
> < uintmax_t linect, wordct, charct;
> ---
>> uintmax_t linect, wordct, charct, llcnt, tmpll;
> 146c151
> < linect = wordct = charct = 0;
> ---
>> linect = wordct = charct = llcnt = tmpll = 0;
> 171c176,179
> < if (*p == '\n')
> ---
>> if (*p == '\n') {
>> if (tmpll > llcnt)
>> llcnt = tmpll;
>> tmpll = 0;
> 172a181
>> } else { tmpll++; }
> 179a189,192
>> if (dolongline) {
>> tlongline = llcnt;
>> (void)printf(" %7ju", tlongline);
>> }
> 197c210
> < return (0);
> ---
>> return (0);
> 231a245
>> tmpll++;
> 234c248,251
> < if (wch == L'\n')
> ---
>> if (wch == L'\n') {
>> if (tmpll > llcnt)
>> llcnt = tmpll;
>> tmpll = 0;
> 235a253
>> }
> 258a277,280
>> if (dolongline) {
>> tlongline = llcnt;
>> (void)printf(" %7ju", llcnt - 1);
>> }
> 266c288
> < (void)fprintf(stderr, "usage: wc [-clmw] [file ...]\n");
> ---
>> (void)fprintf(stderr, "usage: wc [-clmwL] [file ...]\n");
>
> ---unsnip---
What's the plus side of having this? I can accomplish the same with
something like awk without the additional overhead, which would be
guaranteed to be portable.
-Garrett
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