#84 Add option to delete extra empty lines

[Lars Christensen]

Patch attached which adds option --delete-extra-empty-lines / -xE to remove extra empty lines (where there is two or more). Keeps a single empty line.

[Lars Christensen]

Edited patch which included an unintended change to dist-format-astyle.bat.

[Jim Pattee]

Ticket moved from /p/astyle/bugs/289/

[JimH]

Just looking for exactly this option - delete any extra lines in a seqence of 2 or more empty lines. Did it ever make it in to the mainline?

[Jim Pattee]

Sorry, this hasn't been implemented yet.

 

Jim Pattee
jimp03@email.com

 

 

Sent: Wednesday, December 12, 2018 at 8:55 AM
From: JimH <jamesh65@users.sourceforge.net>
To: "[astyle:tickets] " <84@tickets.astyle.p.re.sourceforge.net>
Subject: [astyle:tickets] #84 Add option to delete extra empty lines

Just looking for exactly this option - delete any extra lines in a seqence of 2 or more empty lines. Did it ever make it in to the mainline?


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** [tickets:#84] Add option to delete extra empty lines**

**Status:** open
**Milestone:** None
**Created:** Wed Jun 25, 2014 11:16 AM UTC by Lars Christensen
**Last Updated:** Wed Dec 12, 2018 03:54 PM UTC
**Owner:** nobody
**Attachments:**

- [astyle-delete-extra-empty-lines.patch](https://sourceforge.net/p/astyle/tickets/84/attachment/astyle-delete-extra-empty-lines.patch) (7.1 kB; application/octet-stream)


Patch attached which adds option --delete-extra-empty-lines / -xE to remove extra empty lines (where there is two or more). Keeps a single empty line.


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[Alexander Behrens]

I really appreciate this feature. But I would like to suggest an addition: You should distinguish between empty lines between expressions (type 2) and outside of function bodies (type 1).

#include <>
#include <>
<max/exact number of empty lines type 2>
#include <>
#include <>
<max/exact number of empty lines type 2>
<expr1>;
<max/exact number of empty lines type 2>
<expr2>;
<max/exact number of empty lines type 1>
void fun1()
{
    <expr1>;
    <max/exact number of empty lines type 2>
    <expr2>;
}
<max/exact number of empty lines type 1>
/**
  *
  */
void fun1()
{
    <expr1>;
    <max/exact number of empty lines type 2>
    <expr2>;
}

[André Simon]

In the 3.3-beta2 version, there is a new feature available called "--squeeze-lines=#" which allows you to remove consecutive lines that exceed the specified number.
For example, if you set the value to 2, any third and subsequent empty lines will be eliminated.
This means that you can still preserve visual gaps if you prefer to do so.