Using r in workspace declaration

SoratoSouza_e_Silva

Hi,

Why and When I need use r before the workspace declaration in python like below:

1. import arcpy  
2. arcpy.env.workspace = r"pathto\scratch.gdb"  

Thank´s

DanPatterson_Retired

Search "python raw encoding" for the history.

Or read my precise

/blogs/dan_patterson/2016/08/14/filenames-and-file-paths-in-python 

In short... the options are listed but a little 'r' goes a long way.

<SPAN class="comment token"># ---- the bad</SPAN>

folder <SPAN class="operator token">=</SPAN> <SPAN class="string token">"c:\users\andre souza\tools\gis"</SPAN>

  File <SPAN class="string token">"<ipython-input-35-6d2d90c647fc>"</SPAN><SPAN class="punctuation token">,</SPAN> line <SPAN class="number token">1</SPAN>
    folder <SPAN class="operator token">=</SPAN> <SPAN class="string token">"c:\users\andre souza\tools\gis"</SPAN>
            <SPAN class="operator token">^</SPAN>
SyntaxError<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">(</SPAN>unicode error<SPAN class="punctuation token">)</SPAN> <SPAN class="string token">'unicodeescape'</SPAN> codec can't decode bytes <SPAN class="keyword token">in</SPAN> position <SPAN class="number token">2</SPAN><SPAN class="operator token">-</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">:</SPAN> truncated \uXXXX escape

<SPAN class="comment token"># ---- the good</SPAN>

folder <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"c:\users\andre souza\tools\gis"</SPAN>

folder
<SPAN class="string token">'c:\\users\\andre souza\\tools\\gis'</SPAN>

<SPAN class="comment token"># ---- the ugly</SPAN>

folder <SPAN class="operator token">=</SPAN> <SPAN class="string token">"C:\Temp\andre souza\tools\gis"</SPAN>

<SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN>folder<SPAN class="punctuation token">)</SPAN>
C<SPAN class="punctuation token">:</SPAN>\Tempndre souza      ools\gis

folder <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"C:\Temp\andre souza\tools\gis"</SPAN>

<SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN>folder<SPAN class="punctuation token">)</SPAN>
C<SPAN class="punctuation token">:</SPAN>\Temp\andre souza\tools\gis<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>