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filesort.inc
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filesort.inc
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// This file is temporary; it is used to hold routines
// I will want and can "cannibalize: this file.
// This file will be discarded when I have "sucked the marrow out"
// and left nothing of value
(***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License, version 2, *
* as published by the Free Software Foundation. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Author: Paul Robinson
Comments:
2021-12-03 This code does two things, First, it scans a directory
and all subdirectories for files.
Now, depending on which mode is selecved, it
will do one of two things:
1. Insert marks at the beginning of each file to
cause it to show a compiler message when it starts
and when it ends
2. Remove said marks
2021-11-21: I set the program this came from aside for
so long I've forgotten exactly what it does...
Was not using source code control (my bad), probably not
a good idea, but I didn't think - an unfortunatley all
too common practice -- that this code would be of much
importance or really have a lot of use. Then I got an
idea on how to improve its performance and create a new
use for it. (Program Noisy)
Latest update: 2021-12-13 -- Program scans directory
Retrieves only files with
selected extensions.
-- Displays those files to
confirm is correct.
Previous versions: 2020-11-23 -- Program as originally intended
essentially completed,
2021-11-21 -- Add this boilerplate, minor changes
*)
uses SysUtils;
//faReadOnly = $00000001;
//faHidden = $00000002 platform;
//faSysFile = $00000004 platform;
//faVolumeId = $00000008 platform deprecated;
//faDirectory = $00000010;
//faArchive = $00000020;
//faNormal = $00000080;
//faTemporary = $00000100 platform;
//faSymLink = $00000400 platform;
//faCompressed = $00000800 platform;
//faEncrypted = $00004000 platform;
//faVirtual = $00010000 platform;
//faAnyFile = $000001FF;
Const
{$IFDEF Files}
Banner = 'ScanFiles - Scan a directory and all subs and list all files (or just list sizes).';
{$ENDIF}
{$IFDEF Extensions}
Banner = 'ScanExtensions - Scan a directory and all subs and list count of all file extensions.';
{$ENDIF}
SlashChar = '\';
DateFormatChars = 'yyyy"-"mm"-"dd hh":"nn":"ss';
type
FilesP = ^TheFiles;
ExtP = ^Extension;
ExtSortP = ^SortedExt;
ExtCountP = ^ExtCount;
SizeP = ^SizeTable;
TheFiles = Record
Prev, // only used if double-linked list is used
Next: FilesP;
SubDirCount:Integer; // subdirectories if this is one
Attr: Integer;
Size: Int64;
Date: TdateTime;
Name,
Path,
rpath,
FQFN: UnicodeString;
End;
Extension = Record
Prev,
Next: ExtP;
Count: Integer;
Exten: unicodeString;
end ;
SortedExt = record
Prev,
Next: ExtSortP;
Count: Integer;
Groups: ExtCountP;
GroupCount: Integer;
end;
SizeTable = Record
Prev,
Next: SizeP;
Size: Int64;
Count: Int64;
end;
ExtCount = record
Next: ExtCountP;
Ext: UnicodeString;
end;
showtype = (ShowInvalid, ShowName, ShowMedium, ShowFQFN);
var
f: text;
totalext: integer = 0;
CurrentDir,
OriginalDir,
Path: UnicodeString;
Attr,
TotalDirCount,
GlobalFileCount,
TotalFileCount:Integer;
D: TDatetime;
FileChain,
FileChainLast: FilesP;
Ext,
ExtLast: ExtP;
SortMoveP,
SortTop,
SortBottom: ExtSortP;
Sizes,
SizeTop: SizeP;
Rslt: TUnicodeSearchRec;
Maxsize: Int64 = 0;
SizeCount: Int64 = 0;
SizeOnly: boolean = FALSE;
ShowDate: boolean = FALSE;
Function Comma(K:Int64):string;
var
i:integer;
s: string;
begin
S := IntToStr(K);
i := length(s)-3;
while i>0 do
begin
S := Copy(S,1,i) +','+copy(s,i+1,length(s));
I := I-3;
end;
Result := S;
end;
Function GetExtension(Name:UnicodeString):UnicodeString;
var
P,
Final: integer;
begin
// find the period in the name
P:= pos('.',Name);
// If no period, no extension
if p = 0 then
begin
result := '';
exit;
end;
final := p+1;
while P<>0 do
begin
P := pos('.',Name,final) ;
if p<>0 then
final := P+1;
end;
Result := Copy(Name, final,length(Name));
end;
Procedure ScanDir(Const Prefix: UnicodeString; // from where
// are we searching?
Const Recurse, // Search that place
// recursively?
Dirs, // include directories
// themselves in
// items we list?
Files: Boolean); // Do we also want to
// collect files?
// (FALSE when we are
// only collecting
// directory names.)
var
Rslt: TUnicodeSearchRec;
E: UnicodeString;
Function isDirectory: boolean;
begin
result := (rslt.Attr And faDirectory) = faDirectory;
end;
Procedure GetFileItem;
begin
If filechain = nil then // first time
begin
new(FileChain);
FileChain^.prev := nil;
FileChain^.next := nil;
FileChainLast := FileChain;
end
else
begin
New(FileChainLast^.next);
FileChainLast^.next^.prev := FileChainLast;
FileChainLast := FileChainLast^.next;
FileChainLast^.Next := Nil;
end;
end;
// unsorted collection - simple one-way (downward)
// linked list
procedure CollectFile(Const prefix: UnicodeString);
BEGIN
GetFileItem;
with FileChainLast^ do
begin
Name := rslt.name;
Attr := rslt.attr;
Date := rslt.TimeStamp;
Size := rslt.size;
rpath := prefix;
FQFN := Currentdir + SlashChar + prefix + Rslt.Name;
Inc(TotalFileCount);
if rslt.size >Maxsize then
Maxsize := rslt.size;
if isDirectory then
begin // only count directories
FQFN := FQFN+SlashChar;
Inc(SubDirCount);
Inc(TotalDirCount)
end
end;
end;
{$IFDEF Files}
{$I StoreSize.inc}
{$ENDIF}
{$Ifdef Extensions}
{$Include storeExt.inc}
{$ENDIF}
// not dirs means don't put directories in the list, not to exclude
// searching them if recurse is true
begin // scandir
// If just listing directory(ies) and
// not recursing, don't bother with
// the status indicator
if not dirs or recurse then
WRITE(GLOBALFILECOUNT:7,#8#8#8#8#8#8#8#8#8);
If FindFirst(Prefix+Path,Attr,rslt) = 0 Then
Repeat
If (rslt.Name = '.') Or (rslt.Name = '..') Then
continue; // skip parent and self
if isDirectory then
begin
if dirs then
// collectfile will Count them
CollectFile(Prefix)
else
Inc(TotalDirCount); // count directories even if not listing them
if recurse then
ScanDir(prefix+rslt.Name+SlashChar,TRUE,Dirs,Files);
end
else // NOT a directory
if files then
begin
// Check extension
CollectFile(Prefix);
inc(GlobalFileCount);
{$IFDEF Extensions}
// If not collecting extensions
// then skip this
E := LowerCase(GetExtension(rslt.Name)); // so all extensions are the same
StoreExt;
{$ENDIF}
end;
Until FindNext(rslt) <> 0;
FindClose(rslt);
end;
{$IFDEF Extensions}
{$I SortExt.inc}
{$ENDIF}
{$i FreeFiles.inc}
{$I printchain.inc}
{$IFDEF Extensions}
Procedure printext;
Const
Ascending = False;
VAR
CP:ExtCountP;
S: UnicodeString;
N: Byte;
begin
Writeln('. Total extensions found: ',TotalExt);
// NOTE: Since ascending is a constant,
// one of these lines will get a "dead code walking"
// message, i.e. Unreachable Code warninhg
if Ascending then
SortMoveP := SortTop
else
SortMoveP := SortBottom;
writeln('Extensions by usage');
while SortMoveP <> nil do
begin
CP := SortMoveP^.Groups;
If CP =NIL then continue;
write(SortMoveP^.count:8);
if sortmovep^.Groupcount >4 then
write (' (',SortMoveP^.Groupcount:3,') ')
else
write (' ':7)
;
N := 10;
while CP<>nil do
begin
S := CP^.Ext;
If S='' then
S :='[No Extension]'
else
S := '".'+S+'"';
If N+Length(S) > 76 then
begin
writeln;
write(' ':10);
N := 10;
end;
Write(S,' ');
N := N+Length(CP^.Ext)+2;
CP := CP^.Next;
end;
writeln;
// NOTE: Since ascending is a constant,
// one of these lines will get a "dead code walking"
// message, i.e. Unreachable Code warninhg
if Ascending then
SortMoveP := SortMoveP^.next
else
SortMoveP := SortMoveP^.prev;
end;
writeln;
end;
{ $I DoubleCheck.inc - if needed}
Procedure DumpExt;
begin
ExtLast := Ext;
While extLast<>nil do
begin
writeln(' ',extlast^.count,' ',extlast^.Exten );
Extlast := ExtLast^.next;
end;
end;
{$ENDIF}
Procedure One;
var
newpath:UnicodeString;
begin
// initialization
path := '*';
attr := faAnyFile;
{$IFDEF Extensions}
TotalExt := 0;
{
Write('For Analysis, the ',
'RSLT record size is ',
SizeOf(Rslt),' bytes. ');
WriteLn('The File record is ',SizeOf(TheFiles),
' bytes, Extension record is ',
Sizeof(Extension));
Writeln('Sort record is ',SizeOf(SortedExt),
' bytes, and Count record is ',
['{8AA0331B-F305-48E9-A2E6-C8AE339FE1ED}'] SizeOf(ExtCount),' bytes.');
}
{$ENDIF}
Writeln(Banner);
repeat
GlobalFileCount := 0;
TotalDirCount :=0;
Writeln('Current Directory is ',CurrentDir);
scandir('', false,true,false); // collect only directories
// when starting
WRITELN;
Writeln('Available subdirectories ',TotalDirCount,':');
PrintChain(true,ShowName);
Writeln;
FreeFilesNext ;
Write('Enter new path, : to exit, ');
{$IFDEF Files}
Write(':: to just list sizes, ');
Write('> to show files from here with date and time, ');
{$ENDIF}
writeln;
write('or Enter for files from here: ');
readln(NewPath);
if newpath=':' then halt;
{$IFDEF Files}
if newpath='>' then begin ShowDate := TRUE; newpath :=''; END;
if newpath='::' then begin SizeOnly := TRUE; newpath :=''; END;
{$ENDIF}
if newpath <> '' then
begin
MaxSize := 0;
Chdir(newPath);
Currentdir := utf8dECODE(GetCurrentDir);
end;
until newpath = '';
writeln('Scan of ',CurrentDir);
GlobalFileCount := 0;
TotalFileCount := 0;
{$IFDEF Extensions}
scandir( Currentdir+SlashChar, true,false,true);
{$ENDIF}
{$IFDEF Files}
scandir('' , true,false,true);
Writeln(Comma(GlobalFileCount),' files. ',
' Largest file is ',Comma(maxsize),' bytes');
write('PRESS RETURN: '); READLN;
printChain(False,ShowMedium);
{$ENDIF}
{$IFDEF Extensions}
// SortExt will write something directly after this
// that starts with a comma, so don't use WRITELN or
// add a period, unless you change it too.
Write(' ',Comma(GlobalFileCount),' files');
SortExt;
// DoubleCheck;
printext;
// dumpExt;
{$ENDIF}
writeln;
end;
begin // main
Originaldir := utf8dECODE(GetCurrentDir);
CurrentDir := Originaldir;
FileChain := nil;
FileChainLast := nil;
One;
Writeln;
write('Press return: ');
readln;
end.