Annotation of capa/capa51/CapaTools/examanalysis.pl, revision 1.1.1.1
1.1 albertel 1: #!/usr/local/bin/perl
2:
3: #
4: # June 17 1997 by Isaac Tsai
5: #
6:
7: require('getopts.pl');
8: $Usage = "USAGE: examanalysis.pl [-s start_set][-t end_set]";
9: #
10: # ask user to enter the absolute path to the class
11: #
12: sub S_Enterpath {
13: local($set,$to)=@_;
14: local($notdone,$path);
15: local($cfullpath);
16:
17: $notdone = 1;
18: while ($notdone) {
19: print "Please enter the CLASS absolute path:\n";
20: $path = <>; chomp($path);
21: if( $path =~ /\/$/ ) { # check if the path entered contains a trailing /
22: $Cfullpath = "$path" . "classl";
23: $Rfullpath = "$path" . "records";
24: $Sfullpath = "$path" . "records/set$set.db";
25: } else {
26: $Cfullpath = "$path" . "/classl";
27: $Rfullpath = "$path" . "/records";
28: $Sfullpath = "$path" . "/records/set$set.db";
29: }
30: if( -d $path ) { # check if the class directory exists
31: if( -d $Rfullpath ) { # check if the records directory exists
32: if( -f $Sfullpath ) { # check if the setX.db file exists
33: $notdone = 0;
34: } else {
35: print "File [$Sfullpath] does not exist!\n";
36: }
37: } else {
38: print "Directory [$Rfullpath] does not exist!\n";
39: }
40: } else {
41: print "Directory [$path] does not exist!\n";
42: }
43:
44: }
45: return ($path);
46: }
47:
48: #
49: # scan the setX.db file
50: #
51: sub S_ScanDB {
52: local($filename,$idx)=@_;
53: local($line_cnt)=0;
54: local($valid_cnt)=0;
55: local($valid);
56: local($ii);
57: local($head,$s_num,$ans_str,$rest);
58: local(@ans_char,@tries);
59: local($score,$Snum);
60:
61: open(IN, "<$filename") || die "Cannot open $filename file!";
62: while (<IN>) {
63: $line_cnt++; # line count in setX.db file
64: if( $line_cnt == 2 ) { # the second line is the weight information
65: chomp();
66: (@Weight) = split(/ */); # split the weight string into an integer array
67: }
68: if( $line_cnt > 3) { # valid student record begins with the fourth line
69: chomp(); # remove the trailing \n
70: ($head,$rest) = split(/,/,$_,2); # split the entry based on the first comma
71: ($s_num,$ans_str) = split(/ /,$head,2); # split the head part based on space char
72:
73: (@ans_char) = split(/ */,$ans_str); # split the answer string into an array of chars
74: (@tries) = split(/,/,$rest); # split the number of tries string into an array of integer
75: for($valid = 'N', $ii=0;$ii<=$#ans_char;$ii++) { # if all char in the answer is '-', mark it as invalid
76: $valid = 'Y' if $ans_char[$ii] ne '-';
77: }
78: if( $valid eq 'Y' ) { # a valid entry, contains some scoring info
79: for($score=0,$ii=0;$ii<=$#ans_char;$ii++) { # number of elements in the answer char array
80: if($ans_char[$ii] eq 'Y') { # big Y, score adds the weight of that problem
81: $score += $Weight[$ii];
82: }
83: if($ans_char[$ii] eq 'y') { # small y, score adds the weight of that problem
84: $score += $Weight[$ii];
85: }
86: if( $ans_char[$ii] >= 0 && $ans_char[$ii] <= 9) { # hand graded problem has numerical value
87: $score += $ans_char[$ii];
88: }
89: }
90: $Snum = uc($s_num); # uppercase the student number
91: $$Snum[$idx] = $score; # put the score into an array named as the student number and indexed by
92: $valid_cnt++; # offset of set in the scoring report
93: }
94: }
95: }
96: close(IN) || die "Cannot close $filename file!";
97: return ($#tries+1,$valid_cnt);
98: }
99: # 1 2 3 4 - 5 6 7 8
100: #2345678901234567890123456789012345678901234567890123456789012345678901234567890
101: #nnnnnnnnnnnnnnnnn aaaaaaaaa sec scor scor scor
102: #
103: # produce the scoring report based on entries from classl file
104: #
105: sub S_ClassRpt {
106: local($filename)=@_;
107: local($code,$cn,$sec,$sid,$sname);
108: local($a_line,$cnt,$i);
109: local($score,$len,$pad);
110: local($sm,$Snum);
111:
112: open(IN, "<$filename") || die "cannot open file $filename!\n";
113: while(<IN>) {
114: $a_line = $_; # each line in the classl file
115: ($code,$cn,$sec,$sid,$sname) = split(/\s+/,$a_line,5); # use space to divide each field
116: chomp($sname); # chop off the last \n
117: $len = length($sname); # student name length
118: if( $len < 18 ) { # if name is less than 18 characters, padded to 18 chars
119: $pad = 18 - $len;
120: $sm = "$sname" . " " x $pad;
121: } else { # more than 18 chars, take the first 18 characters
122: $sm = substr("$sname",0,18); # take the first 18 characters
123: }
124: printf "%s %s %03d ", $sm,$sid,$sec; # print out student name, student number, section
125: $Snum = uc($sid); # uppercase the student number
126: if( defined @{$Snum} ) { # if we have the scores for this student
127: $cnt = $#{$Snum}; # the number of sets in this scoring array
128: for($i=0;$i<=$cnt;$i++) { # loop through the number of sets
129: $score = $$Snum[$i]; # assign the score to a variable, (extra step)
130: printf " %4d", $score;
131: }
132: }
133: print "\n"; # at the end of the record, place an \n
134: }
135: close(IN) || die "cannot close file $filename!\n";
136: }
137:
138:
139: if(! &Getopts('s:t:') ) {
140: print STDERR "$Usage\n";
141: exit 2;
142: }
143:
144: if( (!$opt_s) || ($opt_s <= 0 ) ) {
145: $opt_s = 1;
146: }
147: if( (!$opt_t) || ($opt_t <= 0 ) ) {
148: $opt_t = 1;
149: }
150: if( $opt_t < $opt_s ) {
151: $tmp = $opt_t;
152: $opt_t = $opt_s;
153: $opt_s = $tmp;
154: }
155: $CPath = S_Enterpath($opt_s,$opt_t); # get the class path
156:
157: for($set_idx=$opt_s;$set_idx<=$opt_t;$set_idx++) { # loop through each set
158: $set_offset = $set_idx - $opt_s;
159: $fullpath = "$CPath" . "/records/set$set_idx.db";
160: S_ScanDB("$fullpath",$set_offset);
161: }
162:
163: S_ClassRpt("$Cfullpath"); # produce the scoring report
164:
165:
166:
167:
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