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I have a syntax error in an operation! Give me a tiny help, please!


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Hello! I have a "syntax error" but I can't understand where is it. Can you help me with this?

There is two text files. I want to write three lines of the first file in each line of the second file. Then, if the first file has 600 lines, the second file should have 200 lines.

I hope I have explained well what I want.

#include <File.au3>
Local $sFile1
$sFile1 = "File1.txt"
Local $sFile2
$sFile2 = "File2.txt"
Local $sThreeLinesIntoOne
FileOpen($sFile1,0)
FileOpen($sFile2,2)
For $i In ( _FileCountLines($sFile1) / 3 )
   For $a = ( ( $i - 1 ) * 3 ) + 1 ) To ( $i * 3 )
   $sThreeLinesIntoOne = $sThreeLinesIntoOne & FileReadLine($sFile1, $a)
   Next
FileWriteLine($sFile2, $sThreeLinesIntoOne)
Next
FileClose($sFile2)
FileClose($sFile1)

AutoIt returns:

error: syntax error
For $a = ( ( $i - 1 ) * 3 ) + 1 )

 

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You missed an opening parentheses

For $a = ((( $i - 1 ) * 3 ) + 1 ) To ( $i * 3 )

 

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You missed an opening parentheses

For $a = ((( $i - 1 ) * 3 ) + 1 ) To ( $i * 3 )

 

hahaha I was thinking that the error should be a tiny mistake... but my brain is out for today haha Thanks!

But now I have another error:

Variable must be of type "Object".:
For $i In ( ( _FileCountLines($sFile1) )  / 3 )

 

Edited by Rhazz
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Did you read HelpFIle TWICE , or more times ?
Why you are using   "For .. in ... next"    for   normal loop ?

 

btw.
your expression:

( (_FileCountLines($sFile1))  / 3 )

again missed one opening bracket.

( ((_FileCountLines($sFile1))  / 3 )

 

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"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2022-03-07

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Did you read HelpFIle TWICE , or more times ?
Why you are using   "For .. in ... next"    for   normal loop ?

 

btw.
your expression:

( (_FileCountLines($sFile1))  / 3 )

again missed one opening bracket.

( ((_FileCountLines($sFile1))  / 3 )

 

No, I didn't forget a parenthesis. You placed in your code four opening parentheses and three closing parentheses.

And yes, I have read the help file but I'm newbie on AutoIT, and I'm here to learn and improve my programing skill.

I haven't understood why it's wrong to use a "for" loop in my code, sorry!

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Rhazz,

As explained in the Help file, you should only use the "For...In...Next" type of loop when dealing with a collection (an Object or an Array). In this case you are using an integer - and so you get an error, again explained in the Help file. Do it like this:

For $i = 1 To (_FileCountLines($sFile1) / 3 )

as the "For...To...Next" loop expects number bounds.

M23

Edited by Melba23
Typo

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btw.
your expression:

( (_FileCountLines($sFile1))  / 3 )

again missed one opening bracket.

( ((_FileCountLines($sFile1))  / 3 )

 

oops.. :mad2:

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Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

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I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2022-03-07

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Rhazz,

As explained in the Help file, you should only use the "For...In...Next" type of loop when dealing with a collection (an Object or an Array). In this case you are using an integer - and so you get an error, again explained in the Help file. Do it like this:

For $i = 1 To (_FileCountLines($sFile1) / 3 )

as the "For...To...Next" loop expects number bounds.

M23

Yes, I had misunderstood that part :s

With "For...To..Next" it works, thanks!

I'm reading the Help File for all of the things that I want to do haha and sometimes I make stupid mistakes xD

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We learn from mistakes
It is a pity that often on their own :)

 

Signature beginning:
Please remember: "AutoIt"..... *  Wondering who uses AutoIt and what it can be used for ? * Forum Rules *
ADO.au3 UDF * POP3.au3 UDF * XML.au3 UDF * IE on Windows 11 for other useful stuff click the following button:

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2022-03-07

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