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Re: [RP] [PATCH] Added contrib/ratdate.sh and updated Makefile.am
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From: |
Rob Paisley |
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Subject: |
Re: [RP] [PATCH] Added contrib/ratdate.sh and updated Makefile.am |
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Date: |
Thu, 5 Dec 2013 13:25:17 -0500 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Dec 05, 2013 at 12:34:22AM +0100, J??r??mie Courr??ges-Anglas wrote:
> > Note that the :alnum: ctype(3) is used to remove highlighting of today's
> > date
> > with versions of cal which do that.
>
> Do you know of any cal(1) implementation that outputs ansi escape chars
> when stdout isn't a terminal?
Both FreeBSD's cal and Ubuntu Linux's cal implementation seem to produce
escape characters when output is a pipe as follows:
$ cal | xxd
0000000: 2020 2044 6563 656d 6265 7220 3230 3133 December 2013
0000010: 2020 2020 2020 0a53 7520 4d6f 2054 7520 .Su Mo Tu
0000020: 5765 2054 6820 4672 2053 6120 200a 2031 We Th Fr Sa . 1
0000030: 2020 3220 2033 2020 3420 5f08 205f 0835 2 3 4 _. _.5
0000040: 2020 3620 2037 2020 0a20 3820 2039 2031 6 7 . 8 9 1
0000050: 3020 3131 2031 3220 3133 2031 3420 200a 0 11 12 13 14 .
0000060: 3135 2031 3620 3137 2031 3820 3139 2032 15 16 17 18 19 2
0000070: 3020 3231 2020 0a32 3220 3233 2032 3420 0 21 .22 23 24
0000080: 3235 2032 3620 3237 2032 3820 200a 3239 25 26 27 28 .29
0000090: 2033 3020 3331 2020 2020 2020 2020 2020 30 31
00000a0: 2020 2020 0a20 2020 2020 2020 2020 2020 .
00000b0: 2020 2020 2020 2020 2020 200a .
Note this is the line with the escape characters
0000030: 2020 3220 2033 2020 3420 5f08 205f 0835 2 3 4 _. _.5
Rob