Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/sourced/progress_bar/bar.nu

@@ -0,0 +1,47 @@
+# construct bars based of a given percentage from a given width (5 is default)
+# > bar 0.2
+# █
+# > bar 0.71
+# ███▌
+def 'bar' [
+    percentage: float
+    --background (-b): string = 'default'
+    --foreground (-f): string = 'default'
+    --progress (-p) # output the result using 'print -n'
+    --width (-w): int = 5
+] {
+    let blocks = [null "▏" "▎" "▍" "▌" "▋" "▊" "▉" "█"]
+    let $whole_part = (($blocks | last) * ($percentage * $width // 1))
+    let $fraction = (
+        $blocks
+        | get (
+            ($percentage * $width) mod 1
+            | $in * ($blocks | length | $in - 1)
+            | math round
+        )
+    )
+
+    let result = (
+        $"($whole_part)($fraction)"
+        | fill -c $' ' -w $width
+        | if ($foreground == 'default') and ($background == 'default') {} else {
+            $"(ansi -e {fg: ($foreground), bg: ($background)})($in)(ansi reset)"
+        }
+    )
+
+    if $progress {
+        print -n $"($result)\r"
+    } else {
+        $result
+    }
+}
+
+use std assert equal
+
+#[test]
+def bar_tests [] {
+    equal "█▌   " (bar 0.3)
+    equal "███       " (bar 0.3 --width 10)
+    equal "▊" (bar 0.71 --width 1)
+    equal "███████▏  " (bar 0.71 --width 10)
+}