27 lines
452 B
Perl
Executable file
27 lines
452 B
Perl
Executable file
#!/usr/bin/perl
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$last = $ARGV[-1];
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splice(@ARGV, -1);
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open(PIPE, "ledger -MG @ARGV register $last |") || die;
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@values = ();
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while (<PIPE>) {
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($date, $value) = split;
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push @values, $value;
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}
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close(PIPE);
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@values = sort @values;
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splice(@values, 0, 1);
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splice(@values, -1);
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$value = 0.0;
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for $item (@values) {
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$value += $item;
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}
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if (@values) {
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printf("%.2f\n", $value / @values);
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} else {
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die "There are no values to average!\n";
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}
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