| 1 | ###########################################################################
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| 2 | #
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| 3 | # scriptutil.pm -- various useful utilities for the scripts
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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| 26 | package scriptutil;
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| 27 |
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| 28 | use strict;
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| 29 | no strict 'subs'; # allow barewords (eg STDERR) as function arguments
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| 30 | no strict 'refs'; # ...but allow filehandles to be variables and vice versa
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| 31 |
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| 32 | use gsprintf 'gsprintf';
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| 33 |
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| 34 | # returns $removeold, $keepold
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| 35 | sub check_removeold_and_keepold {
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| 36 |
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| 37 | my ($removeold, $keepold, $incremental, $dir, $collectcfg) = @_;
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| 38 |
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| 39 | if (($keepold && $removeold) || ($incremental && $removeold) ) {
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| 40 | gsprintf(STDERR, "{scripts.both_old_options}\n", $dir);
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| 41 | sleep(3); #just in case
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| 42 | return (1,0,0,"none");
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| 43 |
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| 44 | }
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| 45 |
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| 46 | # Incremental mode may be set to "none", "onlyadd" or "all"
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| 47 | # depending on status of -keepold and -incremental flags
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| 48 | my $incremental_mode = "none";
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| 49 | if ($incremental) {
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| 50 | $incremental_mode = "all";
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| 51 | } elsif ($keepold) {
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| 52 | $incremental_mode = "onlyadd";
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| 53 | }
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| 54 |
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| 55 | if (!$keepold && !$removeold && !$incremental && defined $collectcfg) {
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| 56 | # we only look at config file options if we dont have these on the command line
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| 57 | if (defined $collectcfg->{'removeold'} && $collectcfg->{'removeold'} =~ /^true$/i ) {
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| 58 | $removeold = 1;
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| 59 | } elsif (defined $collectcfg->{'keepold'} && $collectcfg->{'keepold'} =~ /^true$/i) {
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| 60 | $keepold = 1;
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| 61 | $incremental_mode = "onlyadd";
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| 62 | } elsif (defined $collectcfg->{'incremental'} && $collectcfg->{'incremental'} =~ /^true$/i) {
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| 63 | $incremental = 1;
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| 64 | $incremental_mode = "all";
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | if (!$keepold && !$removeold && !$incremental) {
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| 69 | gsprintf(STDERR, "{scripts.no_old_options} \n", $dir);
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| 70 | sleep(3); #just in case
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| 71 | return (1,0,0,"none");
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| 72 | }
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| 73 |
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| 74 | # incremental implies keepold
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| 75 | if ($incremental) {
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| 76 | $keepold = 1;
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| 77 | }
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| 78 | return ($removeold, $keepold, $incremental, $incremental_mode);
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| 79 |
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| 80 | }
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| 81 |
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| 82 | 1;
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