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/nu_101/flag.nu

@@ -0,0 +1,74 @@
+
+### So in this case you have to pass in a parameter
+### Any parameter you type will work
+### If you don't type a parameter you get an error
+###
+### The syntax for this is
+### noflag hola
+###
+
+def noflag [x] {
+  echo $x
+}
+
+### The syntax for this is
+### flag -f
+### flag --flag
+
+### If you type anything else it does not work
+### For example
+### flag -flag
+### flag -f=hola
+### flag -f hola
+### flag -f = hola
+
+def flag [
+  --flag(-f)
+] {
+  echo $flag
+}
+
+# Write out the flags you entered
+def flag_details [myint: int, mystring: string] {
+  echo "myint is " $myint | str join
+  echo "mystring is " $mystring | str join
+}
+
+# Get the data passed into the flags
+def get_flag [
+    --test_int(-i): int # The test intlocation
+    --test_string(-s): string # The test string
+    ] {
+    let is_int_empty = ($test_int == null)
+    let is_string_empty = ($test_string == null)
+
+    let no_int_no_string = ($is_int_empty == true and $is_string_empty == true)
+    let no_int_with_string = ($is_int_empty == true and $is_string_empty == false)
+    let with_int_no_string = ($is_int_empty == false and $is_string_empty == true)
+    let with_int_with_string = ($is_int_empty == false and $is_string_empty == false)
+
+    echo 'no int and no string ' $no_int_no_string | str join
+    echo 'no int with string ' $no_int_with_string | str join
+    echo 'with int and no string ' $with_int_no_string | str join
+    echo 'with int and with string ' $with_int_with_string | str join
+
+    if $no_int_no_string {
+        (flag_details 1 "blue")
+    } else if $no_int_with_string {
+        (flag_details 1 $test_string)
+    } else if $with_int_no_string {
+        (flag_details $test_int "blue")
+    } else if $with_int_with_string {
+        (flag_details $test_int $test_string)
+    }
+
+
+}
+
+# To run this call
+# > get_flag
+# it will default to int 1 and string blue
+# > get_flag -i 2
+# This changes to int 2 and string blue
+# > get_flag -i 3 -s green
+# This changes to int 3 and string green