contrib/groff/mdate.sh

   1 #! /bin/sh
   2 #
   3 # Copyright (C) 1991, 1992, 2001, 2009
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is part of groff.
   7 #
   8 # groff is free software; you can redistribute it and/or modify it under
   9 # the terms of the GNU General Public License as published by the Free
  10 # Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # groff is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 # for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 # Print the modification date of $1 `nicely'.
  22
  23 # Don't want foreign dates.
  24
  25 LANGUAGE=
  26 LC_ALL=C; export LC_ALL
  27
  28
  29 (date;
  30 if ls -L /dev/null 1>/dev/null 2>&1; then ls -L -l $1; else ls -l $1; fi
  31 ) | awk '
  32 BEGIN {
  33         full["Jan"] = "January"; number["Jan"] = 1;
  34         full["Feb"] = "February"; number["Feb"] = 2;
  35         full["Mar"] = "March"; number["Mar"] = 3;
  36         full["Apr"] = "April"; number["Apr"] = 4;
  37         full["May"] = "May"; number["May"] = 5;
  38         full["Jun"] = "June"; number["Jun"] = 6;
  39         full["Jul"] = "July"; number["Jul"] = 7;
  40         full["Aug"] = "August"; number["Aug"] = 8;
  41         full["Sep"] = "September"; number["Sep"] = 9;
  42         full["Oct"] = "October"; number["Oct"] = 10;
  43         full["Nov"] = "November"; number["Nov"] = 11;
  44         full["Dec"] = "December"; number["Dec"] = 12;
  45 }
  46
  47 NR == 1 {
  48         month = $2;
  49         year = $NF;
  50 }
  51
  52 NR == 2 {
  53         if ($(NF-1) ~ /:/) {
  54                 if (number[$(NF-3)] > number[month])
  55                         year--;
  56         }
  57         else
  58                 year = $(NF-1);
  59         print $(NF-2), full[$(NF-3)], year
  60 }'