rewrite nu shit

modules/shell/nu/custom_commands.nu

@@ -0,0 +1,67 @@
+# open nix shell with a bunch of programs
+def nsp [ 
+    ...programs: string
+] {
+    nix shell ...($programs | each {|it| $"nixpkgs#($it)" })
+}
+
+# do a nix run of a nix package
+def nr [ 
+    program: string
+] {
+    nix run $"nixpkgs#($program)"
+}
+
+# do a recursive line count of a file extension
+def lcr [
+    file_extension: string
+] {
+    ls **/*
+    | where name ends-with $".($file_extension)" 
+    | par-each {|file| 
+        open $file.name 
+        | lines --skip-empty 
+        | length } 
+    | math sum
+}
+
+# get parsed git log
+def glog [
+    amount: int
+] {
+    git log --pretty=%h»¦«%s»¦«%aN»¦«%aE»¦«%aD -n $amount 
+    | lines 
+    | split column "»¦«" commit subject name email date
+}
+
+# open typst IDE ish setup
+def typed [
+    name: string
+] {
+    touch $"($name).typ"
+    typst compile $"($name).typ"
+    mprocs --names Editor,Viewer,Notify $"hx '($name).typ'" $"while true; do mupdf-x11 '($name).pdf' && break; done" $"while inotifywait -e modify '($name).pdf' ; do pkill -HUP mupdf; done"
+}
+
+# figure out when the next event is
+def nev [ unit = day ] {
+    ( ( open Docs/dates.csv 
+      | update datetime {|it| $it.datetime | into datetime } 
+      | first
+      ).datetime - (date now)
+    ) 
+    | into duration 
+    | format duration $unit
+}
+
+# open chromium with bahn.expert opened and ready
+# TODO: intermediate stations
+def bx [from: string to: string] {
+  let map = open ~/Docs/ril100map.json;
+  let start = $map | get ($from | str upcase) | first;
+  let dest = $map | get ($to | str upcase) | first;
+
+  let url = $"https://bahn.expert/routing/($start)/($dest)/0/";
+  print $url;
+  ^bash -c $"nohup chromium '($url)' &";
+}