X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/ea4599f110cbf1c347535ac1add4299bb8a5e13e..17a26cb76ab04c0cdd33acca2d64b3d3397456e4:/graph

diff --git a/graph b/graph
index 0e07a6e..8144868 100755
--- a/graph
+++ b/graph
@@ -16,7 +16,8 @@ sub podexit {
 my %opt;
 GetOptions(\%opt,
 	'color|c!',
-	'follow|f:i',
+	'C' => sub { $opt{color} = 0 },
+	'interval|t:i',
 	'trim|length|l=s' => sub {
 		my ($optname, $optval) = @_;
 		$optval =~ s/%$// and $opt{trimpct}++;
@@ -37,13 +38,13 @@ $opt{width} ||= $ENV{COLUMNS} || 80;
 $opt{color} //= -t *STDOUT;  # enable on tty
 $opt{trim}   *= $opt{width} / 100 if $opt{trimpct};
 
-if (defined $opt{follow}) {
-	$opt{follow} ||= 1;
+if (defined $opt{interval}) {
+	$opt{interval} ||= 1;
 	$SIG{ALRM} = sub {
 		show_lines();
-		alarm $opt{follow};
+		alarm $opt{interval};
 	};
-	alarm $opt{follow};
+	alarm $opt{interval};
 }
 
 $SIG{INT} = 'IGNORE';  # continue after assumed eof
@@ -149,9 +150,9 @@ Force colored output of values and bar markers.
 Defaults on if output is a tty,
 disabled otherwise such as when piped or redirected.
 
-=item -f, --follow[=<seconds>]
+=item -t, --interval[=<seconds>]
 
-Interval to output partial progress.
+Interval time to output partial progress.
 
 =item -l, --length=[-]<size>[%]
 
@@ -237,6 +238,28 @@ Any kind of database query with leading counts:
     echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
     psql -t | graph -u
 
+Exchange rate USD/EUR history from CSV download provided by ECB:
+
+    curl https://sdw.ecb.europa.eu/export.do \
+         -Gd 'node=SEARCHRESULTS&q=EXR.D.USD.EUR.SP00.A&exportType=csv' |
+    awk -F, '{RS="\r\n"} /^[12]/{print $2,$1}' | graph
+
+Total population history from the World Bank dataset (XML):
+
+    curl http://api.worldbank.org/v2/country/1W/indicator/SP.POP.TOTL |
+    xmllint --xpath '//*[local-name()="date" or local-name()="value"]' - |
+    awk -F'<[^>]+>' 'BEGIN {RS="</wb:value>"} {print $4,$2}' | graph
+
+Movies per year from prepared JSON data:
+
+    curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json |
+    jq '.[].year' | uniq -c | graph
+
+Pokémon height comparison:
+
+	curl https://github.com/Biuni/PokemonGO-Pokedex/raw/master/pokedex.json |
+	jq -r '.pokemon[] | [.height,.num,.name] | join(" ")' | graph
+
 Git statistics, such commit count by year:
 
     git log --pretty=%ci | cut -b-4 | uniq -c | graph
@@ -248,7 +271,7 @@ Or the most frequent authors:
 Latency history:
 
     ping google.com |
-    perl -pe '$|=1; print s/ time=(.*)// ? "$1 for " : "> "' | graph -f
+    perl -pe '$|=1; print s/ time=(.*)// ? "$1 for " : "> "' | graph -t
 
 =head1 AUTHOR