initial commit

.config/zsh/lib/time.zsh

@@ -0,0 +1,42 @@
+#!/bin/zsh
+
+zmodload -i zsh/datetime
+zmodload -i zsh/mathfunc
+
+z-ts-to-human() {
+    local t=$1
+    local s=$(( int(t) ))
+    local ns=$(( int((t - s) * (10**9)) ))
+    t=$s
+
+    local d=0 h=0 m=0
+    if [ $t -ge 86400 ] ; then
+        d=$(( t / 86400 ))
+        t=$(( t % 86400 ))
+    fi
+    if [ $t -ge 3600 ] ; then
+        h=$(( t / 3600 ))
+        t=$(( t % 3600 ))
+    fi
+    if [ $t -ge 60 ] ; then
+        m=$(( t / 60 ))
+        t=$(( t % 60 ))
+    fi
+
+    local f='%s.%6.'
+    f=$(strftime "$f" $t $ns)
+
+    local x=3
+    ## keep math in sync with format above
+    case "$2" in
+    0)     x=7 ;;
+    [1-5]) x=$(( 6 - $2 )) ;;
+    6)     x=0 ;;
+    esac
+    [ $x -gt 0 ] && f="${f:0:-$x}s"
+
+    [ $s -ge 60    ] && f="${m}m:$f"
+    [ $s -ge 3600  ] && f="${h}h:$f"
+    [ $s -ge 86400 ] && f="${d}d:$f"
+    echo "$f"
+}