1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#!/bin/sh
#
# author: Wim Van Hoydonck
#
# elvis: ntrs -- Search the NASA Technical Report Server
. surfraw || exit 1
w3_config_hook () {
def SURFRAW_ntrs_fields Abstract
def SURFRAW_ntrs_results matchall
}
w3_usage_hook () {
cat <<EOF
Usage: $w3_argv0 [options] [search-string]
Description:
Search ntrs
Local options:
-fields=FIELD Subject field to search
all | Seach all fields
abstract | Words in abstract (default)
accession | Accession number
center | NASA Center
author | Author name
docID | Document ID
keywords | Keywords
date | Publication date
title | Title
-results=RESULT Find Results with
all | All of the words
any | At least one of the words
Examples:
$w3_argv0 -fields=abstract -results=all free wake
EOF
w3_global_usage
}
w3_parse_option_hook () {
opt="$1"
optarg="$2"
case "$opt" in
-fields=*) setopt SURFRAW_ntrs_fields $optarg ;;
-results=*) setopt SURFRAW_ntrs_results $optarg ;;
*) return 1 ;;
esac
return 0
}
w3_config
w3_parse_args "$@"
# w3_args now contains a list of arguments
case "$SURFRAW_ntrs_fields" in
all) field=All ;;
abstract) field=Abstract ;;
accession) field=AccessionNum ;;
center) field=ArchiveName ;;
author) field=AuthorList ;;
docID) field=DocumentID ;;
keyword) field=Keywords ;;
date) field=PublicationDate ;;
title) field=Title ;;
*) field=Abstract ;;
esac
case "$SURFRAW_ntrs_results" in
all) result=matchall ;;
any) result=matchany ;;
*) result=matchall ;;
esac
if null "$w3_args"; then
w3_browse_url "https://ntrs.nasa.gov/search.jsp"
else
# TODO: combine multiple searches, e.g.
# first search the abstract for certain keywords,
# then search the authors of those results
# this gives urls that look like this:
#https://ntrs.nasa.gov/search.jsp?N=0&Ntk=Abstract|AuthorList&Ntx=mode%20matchall|mode%20matchall&Ntt=free%20wake|wachspress
escaped_args=`w3_url_of_arg $w3_args`
url="https://ntrs.nasa.gov/search.jsp?N=0&Ntk=${field}&Ntx=mode%20${result}&Ntt=${escaped_args}"
w3_browse_url "${url}"
fi
|
