Data commit

Task/Abbreviations-easy/PowerShell/abbreviations-easy.psh

@@ -0,0 +1,44 @@
+<# Start with a string of the commands #>
+$cmdTableStr =
+"Add ALTer  BAckup Bottom  CAppend Change SCHANGE  CInsert CLAst COMPress COpy
+ COUnt COVerlay CURsor DELete CDelete Down DUPlicate Xedit EXPand EXTract Find
+ NFind NFINDUp NFUp CFind FINdup FUp FOrward GET Help HEXType Input POWerinput
+ Join SPlit SPLTJOIN  LOAD  Locate CLocate  LOWercase UPPercase  LPrefix MACRO
+ MErge MODify MOve MSG Next Overlay PARSE PREServe PURge PUT PUTD  Query  QUIT
+ READ  RECover REFRESH RENum REPeat  Replace CReplace  RESet  RESTore  RGTLEFT
+ RIght LEft  SAVE  SET SHift SI  SORT  SOS  STAck STATus  TOP TRAnsfer Type Up"
+<# String of inputs #>
+$userWordStr = "riG   rePEAT copies  put mo   rest    types   fup.    6       poweRin"
+
+$outputStr = $null # Set this string to null only so all variables are intialized
+
+$cmdTabArray = @() # Arrays for the commands and the inputs
+$userWordArray = @()
+
+<# Split the strings into arrays using a space as the delimiter.
+   This also removes "blank" entries, which fits the requirement
+   "A blank input (or a null input) should return a null string." #>
+$cmdTabArray = $cmdTableStr.Split(" ", [System.StringSplitOptions]::RemoveEmptyEntries)
+$userWordArray = $userWordStr.Split(" ", [System.StringSplitOptions]::RemoveEmptyEntries)
+
+<# Begins a loop to iterate through the inputs #>
+foreach($word in $userWordArray)
+{
+    $match = $false # Variable set to false so that if a match is never found, the "*error*" string can be appended
+    foreach($cmd in $cmdTabArray)
+    {
+        <# This test: 1) ensures inputs match the leading characters of the command
+                      2) are abbreviations of the command
+                      3) the abbreviations is at least the number of capital characters in the command #>
+        if($cmd -like "$word*" -and ($word.Length -ge ($cmd -creplace '[a-z]').Length))
+        {
+            $outputStr += $cmd.ToUpper() + " " # Adds the command in all caps to the output string
+            $match = $true # Sets the variable so that "*error*" is not appended
+            break # Break keep the loop from continuing and wasting time once a match was found
+        }
+    }
+    if($match -eq $false){ $outputStr += "*error* " } # Appends error if no match was found
+}
+# Below lines display the input and output
+"User text: " + $userWordStr
+"Full text: " + $outputStr