[英]Perl extracting multiple values out of thousands of Excel Files and write each dataset into txt file
I am using Perl 5.24.3 on Windows 7 with Strawberry Perl . 我在带有Strawberry Perl的 Windows 7上使用Perl 5.24.3 。 I am currently writing a script that searches thousands of Excel files for certain values in the same folder. 我目前正在编写一个脚本,该脚本在同一文件夹中的数千个Excel文件中搜索某些值。 These values are extracted/read from each Excel file and saved in their corresponding variables. 这些值是从每个Excel文件中提取/读取的,并保存在其相应的变量中。 After that, I want to write the variable values into a .txt file. 之后,我想将变量值写入.txt文件。
My problem is that the perl script crashes at Excel file 400ish. 我的问题是,Perl脚本在Excel文件400ish时崩溃。 I cannot run it when using use strict but it will run if I leave it out. 使用use strict时,我无法运行它,但是如果不使用它,它将运行。 Unfortunately not till the end. 不幸的是直到最后。 How can I optimize my script so it won't crash? 如何优化脚本,以免崩溃? How do I need to change my code so that I can run the script WITH use strict ? 我如何更改代码,以便可以使用use strict运行脚本?
use diagnostics returns the following: 使用诊断将返回以下内容:
Use of uninitialized value in string eq at auswertungLieferscheine.pl line 112(#1), line 117, 122, 127, ...
Here is the code: 这是代码:
#use strict;
#use warnings "all";
use Cwd 'abs_path';
use Win32::OLE;
#use diagnostics;
lager();
sub lager
{
my @xlsm;
my $strGebLS = "Z:\\User\\Projekte\\Fertigung\\Lieferscheintool\\lieferschein_lager\\bearbeitete Lieferscheine\\gebuchte Lieferscheine\\";
chdir $strGebLS;
opendir(DIR, $strGebLS) or die $!;
while(my $lieferschein = readdir(DIR))
{
next if ($lieferschein !~ m/2018\.xlsm$/);
push(@xlsm, $lieferschein);
}
closedir(DIR);
my $excel = Win32::OLE->new('Excel.Application', 'Quit') or die $!;
$excel->{'DisplayAlerts'} = 0;
$excel->{'Visible'} = 0;
foreach my $lsDatei(@xlsm)
{
my $absPfad = abs_path("$lsDatei") or die "Fehler: Die Datei $lsDatei wurde nicht gefunden\n";
my $arbeitsmappe = $excel->Workbooks->Open($absPfad, {
'ReadOnly' => 1,
'IgnoreReadOnlyRecommended' => 1
});
my $sheet = $arbeitsmappe->Worksheets("LieferscheinBauleitung");
# THESE VALUES ARE ALWAYS IN THE SAME CELL OR PREDEFINED IF CELLS EMPTY!
my $lagerort = "Lager";
my $lsNr = $sheet->Range("C5")->{Value};
my $status = "gebucht";
my $bv = $sheet->Range("C7")->{Value};
my $hv = $sheet->Range("G7")->{Value};
my $grund = "Kein Anforderungsgrund";
my $besteller = "Kein Besteller";
my $abholer = "Kein Abholer";
my $bezeichnung ="Keine Bezeichnung";
my $menge = "0";
my $einzelpreis = "0.0";
my $summe = "0.0";
#THESE VALUES ARE IN DIFFERENT CELLS
#BUT ALWAYS IN 1 out of 2 POSSIBLE COLUMNS!
#THAT IS WHY I AM USING A FOR LOOP HERE...
#THE IF LINES RETURN UNDECLARED WARNINGS FOR VARIABLES AND I DONT KNOW WHY! WHY?! #$sheet and $zeile are both defined, aren't they?!
for (my $zeile=4; $zeile<=25;$zeile++)
{
if($sheet->Range("G" . $zeile)->{Value} eq "Grund")
{
$grund = $sheet->Range("G" . $zeile + 2)->{Value};
}
if($sheet->Range("A" . $zeile)->{Value} eq "Anforderungsgrund")
{
$grund = $sheet->Range("C" . $zeile)->{Value};
}
if($sheet->Range("A" . $zeile)->{Value} eq "Besteller")
{
$besteller = $sheet->Range("C" . $zeile)->{Value};
}
if($sheet->Range("A" . $zeile)->{Value} eq "Abholer")
{
$abholer = $sheet->Range("C" . $zeile)->{Value};
}
if($sheet->Range("B" . $zeile)->{Value} eq "Bezeichnung")
{
$bezeichnung = $sheet->Range("B" . ($zeile + 2))->{Value};
}
if($sheet->Range("A" . $zeile)->{Value} eq "Menge")
{
$menge = $sheet->Range("A" . ($zeile + 2))->{Value};
}
if($sheet->Range("H" . $zeile)->{Value} eq "Einzelpreis")
{
$einzelpreis = $sheet->Range("H" . ($zeile + 2))->{Value};
}
if($sheet->Range("I" . $zeile)->{Value} eq "Summe")
{
$summe = $sheet->Range("I" . ($zeile + 2))->{Value};
}
}
$arbeitsmappe->Close();
$excel->Quit();
if($besteller eq "")
{
$besteller = "Kein Besteller";
}
if($abholer eq "")
{
$abholer = "Kein Abholer";
}
if($grund eq "")
{
$grund = "Kein Anforderungsgrund";
}
# WRITE VALUES IN VARIABLES INTO TXT-FILE
if(substr($lsDatei, -9, 4) eq "2018")
{
local $auswertung = "auswertungLieferscheine_2018.txt";
local $auswertungPfad = "Z:\\User\\Projekte\\Fertigung\\Lieferscheintool\\lieferschein_auswertung\\$auswertung";
local $data = $lagerort . "\t" . $lsNr . "\t" . $status . "\t" . $bv . "\t" . $hv . "\t" . $grund . "\t" . $besteller . "\t" . $abholer . "\t" . $bezeichnung . "\t" . $menge . "\t" . $einzelpreis . "\t" . $summe . "\n";
open(my $fh, '>>', $auswertungPfad) or die $!;
# PRINT DATASET INTO TXT FILE
print $fh $data;
close $fh;
}
}
}
The warnings occur in the for-loop where it says if($sheet....eq "something"). 警告在for循环中显示if($ sheet .... eq“ something”)。 Alle if lines are concerned. 如果涉及到线路,请Alle。 Any solutions? 有什么办法吗?
Here's a possible bug: 这是一个可能的错误:
$grund = $sheet->Range("G" . $zeile + 2)->{Value};
makes no sense. 没有意义。 The .
的.
and +
operators have the same precedence (and are left associative), so "G" . $zeile + 2
和+
运算符具有相同的优先级(并且保持关联),因此为"G" . $zeile + 2
"G" . $zeile + 2
parses as ("G" . $zeile) + 2
. "G" . $zeile + 2
解析为("G" . $zeile) + 2
。 "G..."
converted to a number is 0
(and produces a warning), so this effectively calls $sheet->Range(2)
. 转换为数字的"G..."
为0
(并产生警告),因此这有效地调用$sheet->Range(2)
。
You probably want 你可能想要
$grund = $sheet->Range("G" . ($zeile + 2))->{Value};
instead. 代替。
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