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#!/bin/sh -- # -*- perl -*- -w |
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eval 'exec perl -S $0 "$@"' |
| 3 |
if 0; |
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|
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use strict; |
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|
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use Config; |
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use File::Basename qw(fileparse); |
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|
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my($file, $path) = fileparse($0); |
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$file =~ s!\.PL$!!i; |
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chdir($path) or die "Couldn't chdir to `$path': $!\n"; |
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|
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print "Extracting $file\n"; |
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|
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open(OUT, "> $file") or die "Couldn't create `$file': $!\n"; |
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print OUT "$Config{'startperl'} -w\n"; |
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while (<DATA>) { |
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print OUT |
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} |
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close(OUT) or die "Couldn't close `$file': $!\n"; |
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|
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chmod(0755, $file) or die "Couldn't chmod 744 on `$file': $!\n"; |
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|
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exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
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|
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__END__ |
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######################### -*- Mode: Perl -*- ######################### |
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## |
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## $Basename: sman.PL $ |
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## $Revision: 1.6 $ |
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## |
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## Author : Ulrich Pfeifer |
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## Created On : Fri Aug 30 15:52:25 1996 |
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## |
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## Last Modified By : Ulrich Pfeifer |
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## Last Modified On : Sun Nov 22 18:44:34 1998 |
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## |
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## Copyright (c) 1996-1997, Ulrich Pfeifer |
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## |
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## |
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###################################################################### |
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|
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eval 'exec perl -S $0 "$@"' |
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if 0; |
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|
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|
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use strict; |
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|
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|
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use Term::ReadLine; |
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use Getopt::Long; |
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use Fcntl; |
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|
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require WAIT::Config; |
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require WAIT::Database; |
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require WAIT::Query::Base; |
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require WAIT::Query::Wais; |
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|
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|
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$SIG{PIPE} = 'IGNORE'; |
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my %OPT = (database => 'DB', |
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dir => $WAIT::Config->{WAIT_home} || '/tmp', |
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table => 'man', |
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pager => $WAIT::Config->{'pager'} || 'more', |
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filter => 0, |
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max => 15, |
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); |
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|
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GetOptions(\%OPT, |
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'database=s', |
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'dir=s', |
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'table=s', |
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'filter=i', |
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'max=i', |
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'pager:s') || die "Usage: ...\n"; |
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|
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my $db = WAIT::Database->open(name => $OPT{database}, |
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mode => O_RDONLY, |
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directory => $OPT{dir}) |
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or die "Could not open database $OPT{database}: $@"; |
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|
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my $tb = $db->table(name => $OPT{table}) |
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or die "Could not open table $OPT{table}: $@"; |
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|
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my $layout = $tb->layout; |
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|
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my $did; |
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my @did; |
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my @stack; |
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|
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my $term = new Term::ReadLine 'Simple Query Interface'; |
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|
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require WAIT::Format::Term; |
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my $format; |
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if ($Config::Config{'archname'} eq 'i586-linux') { |
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# for color xterm |
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$format = new WAIT::Format::Term query_s => "[01;31m", query_e => "[00m"; |
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} else { |
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$format = new WAIT::Format::Term; |
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} |
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|
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my $pager = ($OPT{pager})?\&less : \&pager; |
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my $OUT = $term->OUT; |
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|
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my $st = 1; |
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print $OUT "Enter 'h' for help.\n"; |
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|
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my (%hits, $query, $query_text); |
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while (defined ($_ = &readline("$st>"))) { |
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chomp; $st++; |
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if (/^$/) { |
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next; |
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} elsif (/^m (\d+)$/) { |
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$OPT{max} = $1; |
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} elsif (/^f\s*(\d+)?$/) { |
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$OPT{filter} = $1; |
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next; |
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} elsif (/^t$/i) { |
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if ($pager eq \&less) { |
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$pager = \&pager; |
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} else { |
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$pager = \&less; |
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} |
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next; |
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} elsif (/^(\d+)$/) { |
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if (defined $did[$1]) { |
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display($did[$1]); |
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next; |
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} |
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} elsif (/^d\s*(\d+)/) { |
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if (defined $did[$1]) { |
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view($did[$1]); |
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next; |
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} |
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} elsif (/^q$/i) { |
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last; |
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} elsif (/^l$/i) { |
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# fall through |
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} elsif (/^[h?]$/i) { |
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help(); |
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next; |
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} elsif (/^hh$/i) { |
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extended_help(); |
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next; |
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} else { |
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$query_text = $_; |
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eval {$query = WAIT::Query::Wais::query($tb, $_)}; |
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if ($@ ne '') { |
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print $OUT "$_ => $query\n\$\@='$@'\n"; |
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} elsif (ref($query)) { |
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%hits = $query->execute(); |
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} else { |
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next; |
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} |
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} |
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|
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next unless %hits; |
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my $no = 1; @did = (); |
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print "Query: $query_text\n"; |
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for $did (sort {$hits{$b} <=> $hits{$a}} keys %hits) { |
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my %tp = $tb->fetch($did); |
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printf $OUT "%2d %6.3f %s\n", $no, $hits{$did}, |
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substr($tp{headline} ||'',0,68); |
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$did[$no] = $did; |
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last if $no++ >= $OPT{max}; |
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} |
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} continue { |
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# we don't do this since ANdreas Koenig does not think of it as feature |
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# $term->SetHistory(grep length($_)>4, $term->GetHistory) |
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} |
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|
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sub readline { |
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if (@ARGV) { |
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shift @ARGV; |
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} else { |
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$term->readline(@_); |
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} |
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} |
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sub help { |
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my $idb = "\n\t'". join(q[', '], $tb->fields()) . "'"; |
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print $OUT qq[Available commands: |
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|
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<num> Show the document <num> |
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d <num> Show the db entry of document <num> |
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f <num> Display only <num> lines context |
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h,? Display this help message |
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hh Display query examples |
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m <num> Set maxhits to <num> |
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t Toggle display mode (term/less) |
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q Exit from $0 |
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l redisplay last ranking |
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Other input is tried as wais query. |
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The following fields are known: $idb |
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] ; |
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} |
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|
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sub extended_help { |
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print q{ |
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Here are some query examples: |
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|
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information retrieval free text query |
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information or retrieval same as above |
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des=information retrieval `information' must be in the description |
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des=(information retrieval) one of them in description |
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des=(information or retrieval) same as above |
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des=(information and retrieval) both of them in description |
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des=(information not retrieval) `information' in description and |
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`retrieval' not in description |
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des=(information system*) wild-card search |
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au=ilia author names may be misspelled |
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|
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You can build arbitary boolean combination of the above examples. |
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Filed names may be abbreviated. |
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} |
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} |
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|
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sub view { |
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my $did = shift; |
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my %tp = $tb->fetch($did); |
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for (keys %tp) { |
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print $OUT "$_ $tp{$_}\n"; |
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} |
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} |
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|
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sub display { |
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my $did = shift; |
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|
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return unless defined $query and defined $did; |
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|
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print $OUT "Wais display document $did\n"; |
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my %tp = $tb->fetch($did); |
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my $tdid = $tp{docid}; |
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if ($tdid !~ m(^/)) { |
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$tdid = $tb->dir . '/' . $tdid; |
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} |
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my $buf = $tb->fetch_extern($tdid); |
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if ($buf) { |
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my @txt = $query->hilight($buf); |
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if ($OPT{filter}) { |
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@txt = &filter(@txt); |
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} |
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&$pager($format->as_string(\@txt)); |
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} |
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} |
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|
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sub filter { |
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my @result; |
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my @context; |
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my $lines = 0; |
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my $clines = 0; |
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my $elipsis = 0; |
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|
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print STDERR "Filter ..."; |
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while (@_) { |
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my %tag = %{shift @_}; |
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my $txt = shift @_; |
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|
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for (split /(\n)/, $txt) { |
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if ($_ eq "\n") { |
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if (exists $tag{_qt}) { |
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#die "Weird!"; |
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push @result, {_i=>1}, "[WEIRD]"; |
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} elsif ($lines) { |
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push @result, {}, $_; |
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$lines--; |
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} else { |
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push @context, {}, $_; |
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$clines++; |
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} |
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} else { |
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if (exists $tag{_qt}) { |
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push @result, {_i=>1}, "\n[ $elipsis lines ]\n" if $elipsis; |
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push @result, @context, {%tag}, $_; |
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delete $tag{_qt}; |
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@context = (); $clines = 0; $elipsis=0; |
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$lines = $OPT{filter}+1; |
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} elsif ($lines) { |
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push @result, \%tag, $_; |
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} else { |
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push @context, \%tag, $_; |
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} |
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} |
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if ($clines>$OPT{filter}) { |
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my (%tag, $txt); |
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while ($clines>$OPT{filter}) { |
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%tag = %{shift @context}; |
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$txt = shift @context; |
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if ($txt =~ /\n/) { |
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$clines--; |
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$elipsis++; |
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} |
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} |
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} |
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} |
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} |
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print STDERR " done\n"; |
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@result; |
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} |
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|
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sub less { |
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my $flags; |
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if ($WAIT::Config->{pager} =~ /less/) { |
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$flags = '-r'; |
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} elsif ($WAIT::Config->{pager} =~ /more/) { |
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$flags = '-c'; |
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} |
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open(PAGER, "|$WAIT::Config->{pager} $flags") or die; |
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print PAGER @_; |
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close PAGER; |
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} |
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|
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sub pager { |
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my @lines = split /\n/, $_[0]; |
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my $line = 0; |
| 316 |
for (@lines) { |
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print "$_\n"; $line++; |
| 318 |
if ($line % 24 == 0) { |
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my $key = readline("[return]"); |
| 320 |
return if $key =~ /^q/i; |
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} |
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} |
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} |
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|
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|
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__END__ |
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## ################################################################### |
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## pod |
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## ################################################################### |
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|
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=head1 NAME |
| 332 |
|
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sman - Search and disply manuals interactive |
| 334 |
|
| 335 |
=head1 SYNOPSIS |
| 336 |
|
| 337 |
B<sman> |
| 338 |
[B<-database> I<database name>] |
| 339 |
[B<-dir> I<database directory>] |
| 340 |
[B<-table> I<name>] |
| 341 |
[B<-less>] |
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[B<-filter> I<num>] |
| 343 |
[B<-max> I<num>] |
| 344 |
|
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=head1 DESCRIPTION |
| 346 |
|
| 347 |
B<Sman> is an interactive search interface to your systems manual pages. |
| 348 |
|
| 349 |
=head2 OPTIONS |
| 350 |
|
| 351 |
=over 10 |
| 352 |
|
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=item B<-database> I<database name> |
| 354 |
|
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Change the default database name to I<database name>. |
| 356 |
|
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=item B<-dir> I<database directory> |
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|
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Change the default database directory to I<database directory>. |
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|
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=item B<-table> I<name> |
| 362 |
|
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Use I<name> instead of C<man> as table name. |
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|
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=item B<-pager> I<name> |
| 366 |
|
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Use I<name> instead of the default pager. If no I<name> is supplied a |
| 368 |
buildin pager is used. |
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|
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=item B<-filter> I<num> |
| 371 |
|
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Display only I<num> lines above and below an occurance of a search |
| 373 |
term in the manual. |
| 374 |
|
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=item B<-max> I<num> |
| 376 |
|
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Display only I<num> hits. Default is to 10. |
| 378 |
|
| 379 |
=head1 SEE ALSO |
| 380 |
|
| 381 |
L<smakewhatis>. |
| 382 |
|
| 383 |
=head1 AUTHOR |
| 384 |
|
| 385 |
Ulrich Pfeifer E<lt>F<pfeifer@ls6.informatik.uni-dortmund.de>E<gt> |
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