1 |
#!/bin/sh -- # -*- perl -*- -w |
2 |
eval 'exec perl -S $0 "$@"' |
3 |
if 0; |
4 |
|
5 |
use strict; |
6 |
|
7 |
use Config; |
8 |
use File::Basename qw(fileparse); |
9 |
|
10 |
my($file, $path) = fileparse($0); |
11 |
$file =~ s!\.PL$!!i; |
12 |
chdir($path) or die "Couldn't chdir to `$path': $!\n"; |
13 |
|
14 |
print "Extracting $file\n"; |
15 |
|
16 |
open(OUT, "> $file") or die "Couldn't create `$file': $!\n"; |
17 |
print OUT "$Config{'startperl'} -w\n"; |
18 |
while (<DATA>) { |
19 |
print OUT |
20 |
} |
21 |
close(OUT) or die "Couldn't close `$file': $!\n"; |
22 |
|
23 |
chmod(0755, $file) or die "Couldn't chmod 744 on `$file': $!\n"; |
24 |
|
25 |
exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
26 |
|
27 |
__END__ |
28 |
######################### -*- Mode: Perl -*- ######################### |
29 |
## |
30 |
## $Basename: sman.PL $ |
31 |
## $Revision: 1.6 $ |
32 |
## |
33 |
## Author : Ulrich Pfeifer |
34 |
## Created On : Fri Aug 30 15:52:25 1996 |
35 |
## |
36 |
## Last Modified By : Ulrich Pfeifer |
37 |
## Last Modified On : Sun Nov 22 18:44:34 1998 |
38 |
## |
39 |
## Copyright (c) 1996-1997, Ulrich Pfeifer |
40 |
## |
41 |
## |
42 |
###################################################################### |
43 |
|
44 |
eval 'exec perl -S $0 "$@"' |
45 |
if 0; |
46 |
|
47 |
|
48 |
use strict; |
49 |
|
50 |
|
51 |
use Term::ReadLine; |
52 |
use Getopt::Long; |
53 |
use Fcntl; |
54 |
|
55 |
require WAIT::Config; |
56 |
require WAIT::Database; |
57 |
require WAIT::Query::Base; |
58 |
require WAIT::Query::Wais; |
59 |
|
60 |
|
61 |
$SIG{PIPE} = 'IGNORE'; |
62 |
my %OPT = (database => 'DB', |
63 |
dir => $WAIT::Config->{WAIT_home} || '/tmp', |
64 |
table => 'man', |
65 |
pager => $WAIT::Config->{'pager'} || 'more', |
66 |
filter => 0, |
67 |
max => 15, |
68 |
); |
69 |
|
70 |
GetOptions(\%OPT, |
71 |
'database=s', |
72 |
'dir=s', |
73 |
'table=s', |
74 |
'filter=i', |
75 |
'max=i', |
76 |
'pager:s') || die "Usage: ...\n"; |
77 |
|
78 |
my $db = WAIT::Database->open(name => $OPT{database}, |
79 |
mode => O_RDONLY, |
80 |
directory => $OPT{dir}) |
81 |
or die "Could not open database $OPT{database}: $@"; |
82 |
|
83 |
my $tb = $db->table(name => $OPT{table}) |
84 |
or die "Could not open table $OPT{table}: $@"; |
85 |
|
86 |
my $layout = $tb->layout; |
87 |
|
88 |
my $did; |
89 |
my @did; |
90 |
my @stack; |
91 |
|
92 |
my $term = new Term::ReadLine 'Simple Query Interface'; |
93 |
|
94 |
require WAIT::Format::Term; |
95 |
my $format; |
96 |
if ($Config::Config{'archname'} eq 'i586-linux') { |
97 |
# for color xterm |
98 |
$format = new WAIT::Format::Term query_s => "[01;31m", query_e => "[00m"; |
99 |
} else { |
100 |
$format = new WAIT::Format::Term; |
101 |
} |
102 |
|
103 |
my $pager = ($OPT{pager})?\&less : \&pager; |
104 |
my $OUT = $term->OUT; |
105 |
|
106 |
my $st = 1; |
107 |
print $OUT "Enter 'h' for help.\n"; |
108 |
|
109 |
my (%hits, $query, $query_text); |
110 |
while (defined ($_ = &readline("$st>"))) { |
111 |
chomp; $st++; |
112 |
if (/^$/) { |
113 |
next; |
114 |
} elsif (/^m (\d+)$/) { |
115 |
$OPT{max} = $1; |
116 |
} elsif (/^f\s*(\d+)?$/) { |
117 |
$OPT{filter} = $1; |
118 |
next; |
119 |
} elsif (/^t$/i) { |
120 |
if ($pager eq \&less) { |
121 |
$pager = \&pager; |
122 |
} else { |
123 |
$pager = \&less; |
124 |
} |
125 |
next; |
126 |
} elsif (/^(\d+)$/) { |
127 |
if (defined $did[$1]) { |
128 |
display($did[$1]); |
129 |
next; |
130 |
} |
131 |
} elsif (/^d\s*(\d+)/) { |
132 |
if (defined $did[$1]) { |
133 |
view($did[$1]); |
134 |
next; |
135 |
} |
136 |
} elsif (/^q$/i) { |
137 |
last; |
138 |
} elsif (/^l$/i) { |
139 |
# fall through |
140 |
} elsif (/^[h?]$/i) { |
141 |
help(); |
142 |
next; |
143 |
} elsif (/^hh$/i) { |
144 |
extended_help(); |
145 |
next; |
146 |
} else { |
147 |
$query_text = $_; |
148 |
eval {$query = WAIT::Query::Wais::query($tb, $_)}; |
149 |
if ($@ ne '') { |
150 |
print $OUT "$_ => $query\n\$\@='$@'\n"; |
151 |
} elsif (ref($query)) { |
152 |
%hits = $query->execute(); |
153 |
} else { |
154 |
next; |
155 |
} |
156 |
} |
157 |
|
158 |
next unless %hits; |
159 |
my $no = 1; @did = (); |
160 |
print "Query: $query_text\n"; |
161 |
for $did (sort {$hits{$b} <=> $hits{$a}} keys %hits) { |
162 |
my %tp = $tb->fetch($did); |
163 |
printf $OUT "%2d %6.3f %s\n", $no, $hits{$did}, |
164 |
substr($tp{headline} ||'',0,68); |
165 |
$did[$no] = $did; |
166 |
last if $no++ >= $OPT{max}; |
167 |
} |
168 |
} continue { |
169 |
# we don't do this since ANdreas Koenig does not think of it as feature |
170 |
# $term->SetHistory(grep length($_)>4, $term->GetHistory) |
171 |
} |
172 |
|
173 |
sub readline { |
174 |
if (@ARGV) { |
175 |
shift @ARGV; |
176 |
} else { |
177 |
$term->readline(@_); |
178 |
} |
179 |
} |
180 |
sub help { |
181 |
my $idb = "\n\t'". join(q[', '], $tb->fields()) . "'"; |
182 |
print $OUT qq[Available commands: |
183 |
|
184 |
<num> Show the document <num> |
185 |
d <num> Show the db entry of document <num> |
186 |
f <num> Display only <num> lines context |
187 |
h,? Display this help message |
188 |
hh Display query examples |
189 |
m <num> Set maxhits to <num> |
190 |
t Toggle display mode (term/less) |
191 |
q Exit from $0 |
192 |
l redisplay last ranking |
193 |
Other input is tried as wais query. |
194 |
The following fields are known: $idb |
195 |
] ; |
196 |
} |
197 |
|
198 |
sub extended_help { |
199 |
print q{ |
200 |
Here are some query examples: |
201 |
|
202 |
information retrieval free text query |
203 |
information or retrieval same as above |
204 |
des=information retrieval `information' must be in the description |
205 |
des=(information retrieval) one of them in description |
206 |
des=(information or retrieval) same as above |
207 |
des=(information and retrieval) both of them in description |
208 |
des=(information not retrieval) `information' in description and |
209 |
`retrieval' not in description |
210 |
des=(information system*) wild-card search |
211 |
au=ilia author names may be misspelled |
212 |
|
213 |
You can build arbitary boolean combination of the above examples. |
214 |
Filed names may be abbreviated. |
215 |
} |
216 |
} |
217 |
|
218 |
sub view { |
219 |
my $did = shift; |
220 |
my %tp = $tb->fetch($did); |
221 |
for (keys %tp) { |
222 |
print $OUT "$_ $tp{$_}\n"; |
223 |
} |
224 |
} |
225 |
|
226 |
sub display { |
227 |
my $did = shift; |
228 |
|
229 |
return unless defined $query and defined $did; |
230 |
|
231 |
print $OUT "Wais display document $did\n"; |
232 |
my %tp = $tb->fetch($did); |
233 |
my $tdid = $tp{docid}; |
234 |
if ($tdid !~ m(^/)) { |
235 |
$tdid = $tb->dir . '/' . $tdid; |
236 |
} |
237 |
my $buf = $tb->fetch_extern($tdid); |
238 |
if ($buf) { |
239 |
my @txt = $query->hilight($buf); |
240 |
if ($OPT{filter}) { |
241 |
@txt = &filter(@txt); |
242 |
} |
243 |
&$pager($format->as_string(\@txt)); |
244 |
} |
245 |
} |
246 |
|
247 |
sub filter { |
248 |
my @result; |
249 |
my @context; |
250 |
my $lines = 0; |
251 |
my $clines = 0; |
252 |
my $elipsis = 0; |
253 |
|
254 |
print STDERR "Filter ..."; |
255 |
while (@_) { |
256 |
my %tag = %{shift @_}; |
257 |
my $txt = shift @_; |
258 |
|
259 |
for (split /(\n)/, $txt) { |
260 |
if ($_ eq "\n") { |
261 |
if (exists $tag{_qt}) { |
262 |
#die "Weird!"; |
263 |
push @result, {_i=>1}, "[WEIRD]"; |
264 |
} elsif ($lines) { |
265 |
push @result, {}, $_; |
266 |
$lines--; |
267 |
} else { |
268 |
push @context, {}, $_; |
269 |
$clines++; |
270 |
} |
271 |
} else { |
272 |
if (exists $tag{_qt}) { |
273 |
push @result, {_i=>1}, "\n[ $elipsis linesĀ ]\n" if $elipsis; |
274 |
push @result, @context, {%tag}, $_; |
275 |
delete $tag{_qt}; |
276 |
@context = (); $clines = 0; $elipsis=0; |
277 |
$lines = $OPT{filter}+1; |
278 |
} elsif ($lines) { |
279 |
push @result, \%tag, $_; |
280 |
} else { |
281 |
push @context, \%tag, $_; |
282 |
} |
283 |
} |
284 |
if ($clines>$OPT{filter}) { |
285 |
my (%tag, $txt); |
286 |
while ($clines>$OPT{filter}) { |
287 |
%tag = %{shift @context}; |
288 |
$txt = shift @context; |
289 |
if ($txt =~ /\n/) { |
290 |
$clines--; |
291 |
$elipsis++; |
292 |
} |
293 |
} |
294 |
} |
295 |
} |
296 |
} |
297 |
print STDERR " done\n"; |
298 |
@result; |
299 |
} |
300 |
|
301 |
sub less { |
302 |
my $flags; |
303 |
if ($WAIT::Config->{pager} =~ /less/) { |
304 |
$flags = '-r'; |
305 |
} elsif ($WAIT::Config->{pager} =~ /more/) { |
306 |
$flags = '-c'; |
307 |
} |
308 |
open(PAGER, "|$WAIT::Config->{pager} $flags") or die; |
309 |
print PAGER @_; |
310 |
close PAGER; |
311 |
} |
312 |
|
313 |
sub pager { |
314 |
my @lines = split /\n/, $_[0]; |
315 |
my $line = 0; |
316 |
for (@lines) { |
317 |
print "$_\n"; $line++; |
318 |
if ($line % 24 == 0) { |
319 |
my $key = readline("[return]"); |
320 |
return if $key =~ /^q/i; |
321 |
} |
322 |
} |
323 |
} |
324 |
|
325 |
|
326 |
__END__ |
327 |
## ################################################################### |
328 |
## pod |
329 |
## ################################################################### |
330 |
|
331 |
=head1 NAME |
332 |
|
333 |
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>] |
342 |
[B<-filter> I<num>] |
343 |
[B<-max> I<num>] |
344 |
|
345 |
=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 |
|
353 |
=item B<-database> I<database name> |
354 |
|
355 |
Change the default database name to I<database name>. |
356 |
|
357 |
=item B<-dir> I<database directory> |
358 |
|
359 |
Change the default database directory to I<database directory>. |
360 |
|
361 |
=item B<-table> I<name> |
362 |
|
363 |
Use I<name> instead of C<man> as table name. |
364 |
|
365 |
=item B<-pager> I<name> |
366 |
|
367 |
Use I<name> instead of the default pager. If no I<name> is supplied a |
368 |
buildin pager is used. |
369 |
|
370 |
=item B<-filter> I<num> |
371 |
|
372 |
Display only I<num> lines above and below an occurance of a search |
373 |
term in the manual. |
374 |
|
375 |
=item B<-max> I<num> |
376 |
|
377 |
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> |