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-rw-r--r--shack/Eselkalk/index.js57
-rwxr-xr-xshack/bin/is-plenum34
2 files changed, 57 insertions, 34 deletions
diff --git a/shack/Eselkalk/index.js b/shack/Eselkalk/index.js
new file mode 100644
index 00000000..f64e0605
--- /dev/null
+++ b/shack/Eselkalk/index.js
@@ -0,0 +1,57 @@
+//
+// node //shack/Eselkalk DATE
+//
+// where DATE ∈ [YYYY[-MM]], defaulting to the current YYYY-MM
+//
+
+range = process.argv[2] ||
+ JSON.parse(JSON.stringify(new Date())).slice(0, '....-..'.length)
+
+function dates(date) {
+ var year = date.getFullYear()
+ var month = date.getMonth()
+
+ var i = new Date([year, (month < 9 ? '0' : '') + (month + 1)].join('-'))
+
+ var days = []
+ var next_day = 4;
+ for (
+ ; i.getMonth() === month
+ ; i = new Date(+i + 24 * 60 * 60 * 1000)) {
+ if (i.getDay() === next_day) {
+ next_day = next_day === 3 ? 4 : 3
+ if (next_day === 3) {
+ var next_4day = new Date(+i + 7 * 24 * 60 * 60 * 1000)
+ if (next_4day.getMonth() !== month) {
+ i = new Date(+i - 24 * 60 * 60 * 1000)
+ next_4day = 4
+ }
+ }
+ days.push(new Date(+i + (20 * 60 + i.getTimezoneOffset()) * 60 * 1000))
+ while (i.getDay() !== 0) {
+ i = new Date(+i + 24 * 60 * 60 * 1000)
+ }
+ }
+ }
+
+ return days
+}
+
+
+result = []
+
+// TODO if (/^....-..-..$/.test(range)) { ... }
+if (/^....-..$/.test(range)) {
+ result = dates(new Date(range))
+}
+else if (/^....$/.test(range)) {
+ ['01','02','03','04','05','06','07','08','09','10','11','12'
+ ].forEach(function (i) {
+ result = result.concat(dates(new Date([range, i].join('-'))))
+ })
+}
+else {
+ throw new Error('You are made of stupid! ' + range)
+}
+
+console.log(JSON.stringify(result, null, 2))
diff --git a/shack/bin/is-plenum b/shack/bin/is-plenum
deleted file mode 100755
index 1c686ca1..00000000
--- a/shack/bin/is-plenum
+++ /dev/null
@@ -1,34 +0,0 @@
-#! /bin/sh
-#
-# //shack/is-plenum [YEAR]
-#
-# where YEAR defaults to the current year
-#
-
-y=${1-`date +%Y`}
-for m in `seq 1 12`; do
- t1=
- t2=
- t3=
- t4=
- t5=
- week_done=-1
- for d in `cal $m $y | tr ' ' '\n' | grep '^[0-9][0-9]\?$'`; do
- echo $m | grep -q '^.$' && m=0$m
- echo $d | grep -q '^.$' && d=0$d
- date=$y-$m-$d
- date_week=`date -d $date +%W`
- if test $week_done -lt $date_week; then
- test -z "$t1" && { test `date -d $date +%u` = 4 && t1=$date && week_done=$date_week; continue; }
- test -z "$t2" && { test `date -d $date +%u` = 3 && t2=$date && week_done=$date_week; continue; }
- test -z "$t3" && { test `date -d $date +%u` = 4 && t3=$date && week_done=$date_week; continue; }
- test -z "$t4" && { test `date -d $date +%u` = 3 && t4=$date && week_done=$date_week; continue; }
- test -z "$t5" && { test `date -d $date +%u` = 3 && t5=$date && week_done=$date_week; continue; }
- fi
- done
- test -n "${t1}" && echo $t1
- test -n "${t2}" && echo $t2
- test -n "${t3}" && echo $t3
- test -n "${t4}" && echo $t4
- test -n "${t5}" && echo $t5
-done