retire 88-colour palettes

[barcat.git] / barcat

diff --git a/barcat b/barcat
index 35ef3b3d314a7117f02f886aa717076671744868..253ec8685c81d922d87c5d189af3770e4f160628 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -58,18 +58,12 @@ GetOptions(\%opt,
        'palette=s' => sub {
                $opt{palette} = {
                        fire   => [qw( 90 31 91 33 93 97 96 )],
-                       fire88 => [map {"38;5;$_"} qw(
-                               80  32 48 64  68 72 76  77 78 79  47
-                       )],
                        fire256=> [map {"38;5;$_"} qw(
                                235  52 88 124 160 196
                                202 208 214 220 226  227 228 229 230 231  159
                        )],
-                       ramp88 => [map {"38;5;$_"} qw(
-                               64 65 66 67 51 35 39 23 22 26 25 28
-                       )],
                        whites => [qw( 1;30 0;37 1;37 )],
-                       greys  => [map {"38;5;$_"} 52, 235..255, 47],
+                       greys  => [map {"38;5;$_"} 0, 232..255, 15],
                }->{$_[1]} // [ split /[^0-9;]/, $_[1] ];
        },
        'stat|s!',
@@ -589,7 +583,7 @@ Compare file sizes (with human-readable numbers):
 
 Memory usage of user processes with long names truncated:
 
-    ps xo %mem,pid,cmd | barcat -l40
+    ps xo rss,pid,cmd | barcat -l40
 
 Monitor network latency from prefixed results:
 
@@ -607,7 +601,7 @@ Letter frequencies in text files:
 
 Number of HTTP requests per day:
 
-    cat log/access.log | cut -d\  -f4 | cut -d: -f1 | uniq -c | barcat
+    cat httpd/access.log | cut -d\  -f4 | cut -d: -f1 | uniq -c | barcat
 
 Any kind of database query with counts, preserving returned alignment:
 
@@ -616,7 +610,7 @@ Any kind of database query with counts, preserving returned alignment:
 
 In PostgreSQL from within the client:
 
-       postgres=> SELECT sin(generate_series(0, 3, .1)) \g |barcat
+    > SELECT sin(generate_series(0, 3, .1)) \g |barcat
 
 Earthquakes worldwide magnitude 1+ in the last 24 hours:
 
@@ -626,10 +620,7 @@ Earthquakes worldwide magnitude 1+ in the last 24 hours:
 External datasets, like movies per year:
 
     curl https://github.com/prust/wikipedia-movie-data/raw/master/movies.json -L |
-    perl -054 -nlE 'say if s/^"year"://' | uniq -c | barcat
-
-But please get I<jq> to process JSON
-and replace the manual selection by C<< jq '.[].year' >>.
+    jq .[].year | uniq -c | barcat
 
 Pokémon height comparison:
 
@@ -640,13 +631,13 @@ USD/EUR exchange rate from CSV provided by the ECB:
 
     curl https://sdw.ecb.europa.eu/export.do \
          -Gd 'node=SEARCHRESULTS&q=EXR.D.USD.EUR.SP00.A&exportType=csv' |
-    grep '^[12]' | barcat -f',\K' --value-length=7
+    barcat -f',\K' --value-length=7
 
 Total population history in XML from the World Bank:
 
-    curl http://api.worldbank.org/v2/country/1W/indicator/SP.POP.TOTL -L |
-    xmllint --xpath '//*[local-name()="date" or local-name()="value"]' - |
-    sed -r 's,</wb:value>,\n,g; s,(<[^>]+>)+, ,g' | barcat -f1 -H
+    curl http://api.worldbank.org/v2/country/1W/indicator/SP.POP.TOTL |
+    xmlstarlet sel -t -m '*/*' -v wb:date -o ' ' -v wb:value -n |
+    barcat -f1 -H
 
 And of course various Git statistics, such commit count by year: