version 1.25, 2003/09/12 18:59:48
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version 1.26, 2003/09/15 20:31:01
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Line 380 returns the number of items in the range
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Line 380 returns the number of items in the range
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#------------------------------------------------------- |
#------------------------------------------------------- |
sub NUM { |
sub NUM { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $num= $#{@{grep(/$mask/,keys(%sheet_values))}}+1; |
my $num= $#{@{grep(eval("/$mask/"),keys(%sheet_values))}}+1; |
return $num; |
return $num; |
} |
} |
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Line 397 sub BIN {
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Line 397 sub BIN {
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my ($low,$high,$lower,$upper)=@_; |
my ($low,$high,$lower,$upper)=@_; |
my $mask=&mask($lower,$upper); |
my $mask=&mask($lower,$upper); |
my $num=0; |
my $num=0; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) { |
if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) { |
$num++; |
$num++; |
} |
} |
Line 419 returns the sum of items in the range.
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Line 419 returns the sum of items in the range.
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sub SUM { |
sub SUM { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $sum=0; |
my $sum=0; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$sum+=$sheet_values{$_}; |
$sum+=$sheet_values{$_}; |
} |
} |
return $sum; |
return $sum; |
Line 440 sub MEAN {
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Line 440 sub MEAN {
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my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $sum=0; |
my $sum=0; |
my $num=0; |
my $num=0; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$sum+=$sheet_values{$_}; |
$sum+=$sheet_values{$_}; |
$num++; |
$num++; |
} |
} |
Line 465 compute the standard deviation of the it
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Line 465 compute the standard deviation of the it
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sub STDDEV { |
sub STDDEV { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $sum=0; my $num=0; |
my $sum=0; my $num=0; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$sum+=$sheet_values{$_}; |
$sum+=$sheet_values{$_}; |
$num++; |
$num++; |
} |
} |
unless ($num>1) { return undef; } |
unless ($num>1) { return undef; } |
my $mean=$sum/$num; |
my $mean=$sum/$num; |
$sum=0; |
$sum=0; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$sum+=($sheet_values{$_}-$mean)**2; |
$sum+=($sheet_values{$_}-$mean)**2; |
} |
} |
return sqrt($sum/($num-1)); |
return sqrt($sum/($num-1)); |
Line 492 compute the product of the items in the
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Line 492 compute the product of the items in the
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sub PROD { |
sub PROD { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $prod=1; |
my $prod=1; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$prod*=$sheet_values{$_}; |
$prod*=$sheet_values{$_}; |
} |
} |
return $prod; |
return $prod; |
Line 512 compute the maximum of the items in the
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Line 512 compute the maximum of the items in the
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sub MAX { |
sub MAX { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $max='-'; |
my $max='-'; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
unless ($max) { $max=$sheet_values{$_}; } |
unless ($max) { $max=$sheet_values{$_}; } |
if (($sheet_values{$_}>$max) || ($max eq '-')) { |
if (($sheet_values{$_}>$max) || ($max eq '-')) { |
$max=$sheet_values{$_}; |
$max=$sheet_values{$_}; |
Line 535 compute the minimum of the items in the
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Line 535 compute the minimum of the items in the
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sub MIN { |
sub MIN { |
my $mask=&mask(@_); |
my $mask=&mask(@_); |
my $min='-'; |
my $min='-'; |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
unless ($max) { $max=$sheet_values{$_}; } |
unless ($max) { $max=$sheet_values{$_}; } |
if (($sheet_values{$_}<$min) || ($min eq '-')) { |
if (($sheet_values{$_}<$min) || ($min eq '-')) { |
$min=$sheet_values{$_}; |
$min=$sheet_values{$_}; |
Line 560 sub SUMMAX {
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Line 560 sub SUMMAX {
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my ($num,$lower,$upper)=@_; |
my ($num,$lower,$upper)=@_; |
my $mask=&mask($lower,$upper); |
my $mask=&mask($lower,$upper); |
my @inside=(); |
my @inside=(); |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
push (@inside,$sheet_values{$_}); |
push (@inside,$sheet_values{$_}); |
} |
} |
@inside=sort(@inside); |
@inside=sort(@inside); |
Line 587 sub SUMMIN {
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Line 587 sub SUMMIN {
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my ($num,$lower,$upper)=@_; |
my ($num,$lower,$upper)=@_; |
my $mask=&mask($lower,$upper); |
my $mask=&mask($lower,$upper); |
my @inside=(); |
my @inside=(); |
foreach (grep /$mask/,keys(%sheet_values)) { |
foreach (grep eval("/$mask/"),keys(%sheet_values)) { |
$inside[$#inside+1]=$sheet_values{$_}; |
$inside[$#inside+1]=$sheet_values{$_}; |
} |
} |
@inside=sort(@inside); |
@inside=sort(@inside); |
Line 713 ENDDEFS
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Line 713 ENDDEFS
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###################################################### |
###################################################### |
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=pod |
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=item &mask($lower,$upper) |
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Inputs: $lower and $upper, cell names ("X12" or "a150") or globs ("X*"). |
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Returns: Regular expression matching spreadsheet cells that are within |
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the rectangle defined by $lower and $upper. Due to the nature of the |
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regular expression this result must be used inside an eval(). |
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=cut |
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###################################################### |
###################################################### |
{ |
{ |
Line 727 sub mask {
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Line 738 sub mask {
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} |
} |
$upper = $lower if (! defined($upper)); |
$upper = $lower if (! defined($upper)); |
# |
# |
my ($la,$ld) = ($lower=~/([A-Za-z]|\*)(\d+|\*)/); |
my ($la,$ld) = ($lower=~/([A-z]|\*)(\d+|\*)/); |
my ($ua,$ud) = ($upper=~/([A-Za-z]|\*)(\d+|\*)/); |
my ($ua,$ud) = ($upper=~/([A-z]|\*)(\d+|\*)/); |
# |
# |
my $alpha=''; |
my $alpha=''; |
my $num=''; |
my $num=''; |
# |
# |
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# Do not put parenthases around $alpha. |
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# $num depends on the value in $1. |
if (($la eq '*') || ($ua eq '*')) { |
if (($la eq '*') || ($ua eq '*')) { |
$alpha='[A-Za-z]'; |
$alpha='[A-z]'; |
} else { |
} else { |
if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) || |
$alpha=qq/[$la-$ua]/; |
($la=~/[a-z]/) && ($ua=~/[a-z]/)) { |
} |
$alpha='['.$la.'-'.$ua.']'; |
if ($ld ne '*' && $ud ne '*') { |
} else { |
# Make sure $ld <= $ud |
$alpha='['.$la.'-Za-'.$ua.']'; |
if ($ld > $ud) { |
} |
my $tmp = $ud; |
} |
$ud = $ld; |
if (($ld eq '*') || ($ud eq '*')) { |
$ld = $tmp; |
$num='\d+'; |
} |
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# Here we make a regular expression using some advanced regexp |
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# abilities. |
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# (\d+) will match the digits of the cell name and dump them in |
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# to $1 |
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# (?(?{ ... code ...} pattern_if_true | pattern_if_false)) will |
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# choose pattern_if_true if { ... code ... } is true and |
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# pattern_if_false if { ... code ... } is false. |
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# In this case, pattern_if_true is empty. pattern_if_false is |
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# 'donotmatch' and will not match our cells because none of |
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# them end with donotmatch. |
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# Unfortunately, the use of this type of regular expression |
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# requires that each match be wrapped in an eval(). Search for |
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# $mask in this module for examples |
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$num = '(\d+)(?(?{$1>= '.$ld.' && $1<='.$ud.'})|donotmatch)'; |
} else { |
} else { |
if (length($ld)!=length($ud)) { |
$num = '(\d+)'; |
$num.='('; |
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foreach ($ld=~m/\d/g) { |
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$num.='['.$_.'-9]'; |
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} |
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if (length($ud)-length($ld)>1) { |
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$num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}'; |
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} |
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$num.='|'; |
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foreach ($ud=~m/\d/g) { |
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$num.='[0-'.$_.']'; |
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} |
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$num.=')'; |
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} else { |
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my @lda=($ld=~m/\d/g); |
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my @uda=($ud=~m/\d/g); |
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my $i; |
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my $j=0; |
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my $notdone=1; |
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for ($i=0;($i<=$#lda)&&($notdone);$i++) { |
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if ($lda[$i]==$uda[$i]) { |
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$num.=$lda[$i]; |
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$j=$i; |
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} else { |
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$notdone=0; |
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} |
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} |
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if ($j<$#lda-1) { |
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$num.='('.$lda[$j+1]; |
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for ($i=$j+2;$i<=$#lda;$i++) { |
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$num.='['.$lda[$i].'-9]'; |
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} |
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if ($uda[$j+1]-$lda[$j+1]>1) { |
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$num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'. |
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($#lda-$j-1).'}'; |
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} |
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$num.='|'.$uda[$j+1]; |
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for ($i=$j+2;$i<=$#uda;$i++) { |
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$num.='[0-'.$uda[$i].']'; |
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} |
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$num.=')'; |
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} else { |
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if ($lda[-1]!=$uda[-1]) { |
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$num.='['.$lda[-1].'-'.$uda[-1].']'; |
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} |
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} |
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} |
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} |
} |
my $expression ='^'.$alpha.$num."\$"; |
my $expression = '^'.$alpha.$num.'$'; |
$memoizer{$key} = $expression; |
$memoizer{$key} = $expression; |
return $expression; |
return $expression; |
} |
} |
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# |
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# Debugging routine |
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sub dump_memoized_values { |
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while (my ($key,$value) = each(%memoizer)) { |
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&Apache::lonnet::logthis('memoizer: '.$key.' = '.$value); |
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} |
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return; |
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} |
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} |
} |
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## |
## |