Port root before_v0.60/*.nu scripts (issue #221) (#837)

This PR is part of porting all old scripts #221 and ports all root
`before_v0.60/*.nu` scripts to `modules/*.nu`

before_v0.60/lint_directories.nu → modules/lint_directories.nu

@@ -3,14 +3,14 @@
 # - 1.0.1 is a valid directory name.
 # - yeah_whatever_linter is not a valid directory name.
 def ls-incorrect-dirs [] {
-    ls | where type == 'Dir' and name != 'scripts'| match -v name '(\d+\.){2,}\d$'
+    ls | where type == dir and name != 'scripts' | find --invert --regex '(\d+\.){2,}\d$' --columns [name]
 }
 let incorrect_count = (ls-incorrect-dirs | length);
 if $incorrect_count > 0 {
-#   echo `The following directories are named incorrectly: {{(char newline)}}`
-  $"The following directories are named incorrectly: (char newline)"
-	ls-incorrect-dirs
-	exit 1
-} {
-	exit 0
+    print $"The following directories are named incorrectly: (char newline)"
+    print (ls-incorrect-dirs)
+    exit 1
+
+} else {
+    exit 0
 }

before_v0.60/maintainer_time.nu → modules/maintainer_time.nu

@@ -12,9 +12,7 @@ let m_table = (
     ]
 )
 let now = (date now)
-$m_table | update time {
-    each { |name|
-        $now | date to-timezone ($name | get tz) | date format '%c'
-    }
+$m_table | update time {|row|
+    $now | date to-timezone ($row | get tz) | format date '%c'
 }
 

before_v0.60/make_readme_table.nu → modules/make_readme_table.nu

@@ -17,14 +17,14 @@ let nu_table = ($nu_files |
         let cat = ($it.File | path dirname)
         if $cat == "" {
             "not assigned yet"
-        } {
+        } else {
             $cat
         }
     } | where Category !~ ".git" | select Category File | sort-by Category)
 
 # Let's fix the file now
 let nu_table = ($nu_table | update File { |it|
-    let file_path = ($it.File  | into string | str find-replace '\\' '/')
+    let file_path = ($it.File  | into string | str replace '\' '/' --all)
     let file_name = ($file_path | path basename)
     $"[($file_name)](char lparen)./($file_path)(char rparen)"
 })