I suspect you accidently did a "select all" and hit option-command-A (edit each line in selection), and then hit return. You can fix this pretty quickly with the regular expression Jerry described.<div><br></div>
<div><br></div><div>Kyle H. Ambert</div><div>Fellow, National Library of Medicine</div><div>Department of Medical Informatics & Clinical Epidemiology</div><div>Oregon Health & Science University<br><br><div class="gmail_quote">
On Thu, May 26, 2011 at 9:39 PM, Marius Hofert <span dir="ltr"><<a href="mailto:m_hofert@web.de">m_hofert@web.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Dear all,<br>
<br>
I opened a file I recently worked on [.R] and realized that there is a blank/new line every other line. So instead of ...<br>
a b c d e<br>
f g h i j k<br>
l m n o p<br>
... I have ...<br>
a b c d e<br>
<br>
f g h i j k<br>
<br>
l m n o p<br>
<br>
I must have accidentally hit some key combination before I save the file. Is this possible? Is there any simple way to undo this? Going through by hand and even with find next + replace it's tedious.<br>
<br>
Cheers,<br>
<br>
Marius<br>
<br>
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</blockquote></div><br></div>