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earthquake feed example
[barcat.git]
/
barcat
diff --git
a/barcat
b/barcat
index 22f8d31193486139c6b5d8e5531594dff2115488..5863c4c952b527438ef29accfc93b9681de71272 100755
(executable)
--- a/
barcat
+++ b/
barcat
@@
-77,7
+77,10
@@
if (defined $opt{interval}) {
} or warn $@, "Expect slowdown with large datasets!\n";
}
} or warn $@, "Expect slowdown with large datasets!\n";
}
-$SIG{INT} = 'IGNORE'; # continue after assumed eof
+$SIG{INT} = sub {
+ $SIG{INT} = 'DEFAULT'; # reset for subsequent attempts
+ 'IGNORE' # continue after assumed eof
+};
my $valmatch = qr/$opt{anchor} ( \h* -? [0-9]* \.? [0-9]+ (?: e[+-]?[0-9]+ )? |)/x;
while (readline) {
my $valmatch = qr/$opt{anchor} ( \h* -? [0-9]* \.? [0-9]+ (?: e[+-]?[0-9]+ )? |)/x;
while (readline) {
@@
-99,6
+102,12
@@
while (readline) {
$SIG{INT} = 'DEFAULT';
$SIG{INT} = 'DEFAULT';
+sub color {
+ $opt{color} and defined $_[0] or return '';
+ return "\e[$_[0]m" if defined wantarray;
+ $_ = color(@_) . $_ . color(0) if defined;
+}
+
sub show_lines {
state $nr = $opt{hidemin} ? $opt{hidemin} - 1 : 0;
sub show_lines {
state $nr = $opt{hidemin} ? $opt{hidemin} - 1 : 0;
@@
-124,18
+133,18
@@
if ($opt{markers} // 1 and $size > 0) {
$barmark[ orderpos($#order * .68269) ] = '<';
$barmark[ orderpos($#order / 2) ] = '+'; # mean
$barmark[ -$minval * $size ] = '|' if $minval < 0; # zero
$barmark[ orderpos($#order * .68269) ] = '<';
$barmark[ orderpos($#order / 2) ] = '+'; # mean
$barmark[ -$minval * $size ] = '|' if $minval < 0; # zero
-
defined and $opt{color} and $_ = "\e[36m$_\e[0m"
for @barmark;
+
color(36)
for @barmark;
state $lastmax = $maxval;
if ($maxval > $lastmax) {
print ' ' x ($lenval + $len);
state $lastmax = $maxval;
if ($maxval > $lastmax) {
print ' ' x ($lenval + $len);
- printf
"\e[90m" if $opt{color}
;
+ printf
color(90)
;
printf '%-*s',
($lastmax - $minval) * $size + .5,
'-' x (($values[$nr - 1] - $minval) * $size);
printf '%-*s',
($lastmax - $minval) * $size + .5,
'-' x (($values[$nr - 1] - $minval) * $size);
- print
"\e[92m" if $opt{color}
;
+ print
color(92)
;
say '+' x (($maxval - $lastmax - $minval) * $size + .5);
say '+' x (($maxval - $lastmax - $minval) * $size + .5);
- print
"\e[0m" if $opt{color}
;
+ print
color(0)
;
$lastmax = $maxval;
}
}
$lastmax = $maxval;
}
}
@@
-156,12
+165,12
@@
while ($nr <= $#lines) {
$nr >= $opt{hidemax} and last if defined $opt{hidemax};
my $val = $values[$nr];
if (length $val) {
$nr >= $opt{hidemax} and last if defined $opt{hidemax};
my $val = $values[$nr];
if (length $val) {
- my $color = !$opt{color} ?
0
:
+ my $color = !$opt{color} ?
undef
:
$val == $order[0] ? 32 : # max
$val == $order[-1] ? 31 : # min
90;
$val = $opt{units} ? sival($val) : sprintf "%*s", $lenval, $val;
$val == $order[0] ? 32 : # max
$val == $order[-1] ? 31 : # min
90;
$val = $opt{units} ? sival($val) : sprintf "%*s", $lenval, $val;
-
$val = "\e[${color}m$val\e[0m" if $color
;
+
color($color) for $val
;
}
my $line = $lines[$nr] =~ s/\n/$val/r;
printf '%-*s', $len + length($val), $line;
}
my $line = $lines[$nr] =~ s/\n/$val/r;
printf '%-*s', $len + length($val), $line;
@@
-346,6
+355,11
@@
Any kind of database query with counts, preserving returned alignment:
echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
psql -t | barcat -u
echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
psql -t | barcat -u
+Earthquakes worldwide magnitude 1+ in the last 24 hours:
+
+ https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/1.0_day.csv |
+ column -tns, | graph -f4 -u -l80%
+
External datasets, like movies per year:
curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json |
External datasets, like movies per year:
curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json |
@@
-380,6
+394,12
@@
Or the top 3 most frequent authors with statistics over all:
git shortlog -sn | barcat -L3 -s
git shortlog -sn | barcat -L3 -s
+Activity of the last days (substitute date C<-v-{}d> on BSD):
+
+ ( git log --pretty=%ci --since=30day | cut -b-10
+ seq 0 30 | xargs -i date +%F -d-{}day ) |
+ sort | uniq -c | awk '$1--' | graph
+
=head1 AUTHOR
Mischa POSLAWSKY <perl@shiar.org>
=head1 AUTHOR
Mischa POSLAWSKY <perl@shiar.org>