How to resolve the algorithm Walk a directory/Non-recursively step by step in the M2000 Interpreter programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Walk a directory/Non-recursively step by step in the M2000 Interpreter programming language
Table of Contents
Problem Statement
Walk a given directory and print the names of files matching a given pattern.
(How is "pattern" defined? substring match? DOS pattern? BASH pattern? ZSH pattern? Perl regular expression?)
Note: This task is for non-recursive methods. These tasks should read a single directory, not an entire directory tree.
Note: Please be careful when running any code presented here.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Walk a directory/Non-recursively step by step in the M2000 Interpreter programming language
Source code in the m2000 programming language
Module Show_Files_Standard {
\\ we get more (include hidden too)
Module InnerWay (folder_path$, pattern$){
olddir$=dir$
dir folder_path$
\\ clear menu list
Menu
\\ + place export to menu, without showing
\\ ! sort to name
files ! + pattern$
If MenuItems>0 then {
For i=1 to MenuItems {
Print Menu$(i)+".exe"
}
}
dir olddir$
}
InnerWay "C:\Windows","*.exe"
}
Show_Files_Standard
Module Show_Files {
Function get_files$ (folder_path$) {
\\ we get second argument using letter$ which pop from stack
pattern$=lcase$(Letter$)
Declare objfso "Scripting.FileSystemObject"
Method objfso, "GetFolder", folder_path$ as fc
With fc, "files" set files
\\ from revision 13 - version 9.4
With files, -4& as EnumFile
With EnumFile, "Name" as name$
Dim empty$()
=empty$()
Stack New {
While EnumFile {
If lcase$(name$) ~ pattern$ Then Data name$
}
\\ get stack values and fill an array
=Array$([])
}
}
Dim Name$()
Name$()=get_files$("C:\Windows","*.exe")
m=each(Name$())
While m {
Print Array$(m)
}
}
Show_Files
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