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Insert file after only first match

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# 1  
Old 08-21-2017
Insert file after only first match
i'm using the following code to add the entire content of a file (/tmp/resources.txt) to the line directly below the line containing a pattern (wonderful) in the file mainfile.txt:

Code:
sed '/^wonderful/ r /tmp/resources.txt' mainfile.txt

the problem is, it adds the entire content of /tmp/resources.txt under every occurrence of wonderful in the mainfile.txt.

I only want to add the file content after the first occurence of wonderful is found.
# 2  
Old 08-21-2017
Try
Code:
sed -e'/^wonderful/ { r /tmp/resources.txt' -e '; :L; n; bL;}'  mainfile.txt

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