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ArcPro 2.5 field calculator bug

PRuss

"\\DPWTECHENG\Plat\" + !plat_book! + "_" + !plat_page! + ".tif"

throws an syntax error in ArcPro 2.5

"\\DPWTECHENG\Plat\ " + !plat_book! + "_" + !plat_page! + ".tif"

is valid in ArcPro 2.5 field calculator, the only difference is adding a space after \Plat\

Problem: We don't want that extra space after \Plat\

any ideas on when this bug will be fixed?

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Accepted answers

KClarkDev_GIS

I was playing around with this a bit, it seems to not like using r for a raw string. Instead, add another backslash as an escape character. (below is the code I used, so keep in mind I'm using all strings instead of referencing field names)

<SPAN class="string token">"\\\DPWTECHENG\Plat\\"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"plat_book"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"_"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"plat_page"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">".tif"</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

That validates for me, and the extra backslash isn't included in the output.

All comments

Drew Flater

Instead of trying to figure out how to construct the path with all the \ which are Python escape characters, use the very handy os function, os.path.join():

os.path.join(r"\\DPWTECHENG\Plat", !plat_book! + "_" + !plat_page! + ".tif")

PRuss

interesting work around that delivers the correct output, i appreciate your help!

add another backslash as an escape character

i submitted this bug to: support.esri.com/en/report-bug

KClarkDev_GIS

<SPAN class="string token">"\\\DPWTECHENG\Plat\\"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"plat_book"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"_"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"plat_page"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">".tif"</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

That validates for me, and the extra backslash isn't included in the output.

PRuss

same syntax error trying

r<SPAN class="" style="color: #669900; border: 0px; font-weight: inherit;">"\\DPWTECHENG\Plat\" + !plat_book! + "</SPAN>_<SPAN class="" style="color: #669900; border: 0px; font-weight: inherit;">" + !plat_page! + "</SPAN><SPAN class="" style="color: #999999; border: 0px; font-weight: inherit;">.</SPAN>tif"

KClarkDev_GIS

I'm not sure, can you use raw strings in field calculator? That might help.

Python Raw String - JournalDev

Does this work for you?

r<SPAN class="string token">"\\DPWTECHENG\Plat\" + !plat_book! + "</SPAN>_<SPAN class="string token">" + !plat_page! + "</SPAN><SPAN class="punctuation token">.</SPAN>tif"<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

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