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Background:
We have a process that is not running correctly. It is supposed to only run on files with patterns like "AAA*.x12". However, it is also running on files similar to "BBB*.x12" Each directory only contains an AAA type type or BBB type file. While there is an output.log that contains the data I am looking for, it does not contain the name of the file being processed.

Question: I want to grep a string in a filename in a large number of directories. However, I only want to look at directories that contain a second file matching a specific pattern.

In other words, how can I grep the output.log files only in directories that contain files starting with BBB, and ignore the output.log files in directories that contain files starting with AAA

Note: The directory names are sequential numbers and cannot be used to determine which type files they contain

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Quick pseudo code, without trying to make an actual script -- want to make sure I understand the questions. Also, assume well-behaved file names (if necessary, robustify the final script to handle file names with control characters, etc).

# get output.log files in directories containing BBB file and search output.log
find /start -name 'BBB*' -type f -print |\
while read f; do echo $(dirname $f)/output.log; done |\
xargs grep search-string

Does that get you on the right track?

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  • Perfect, this is exactly what i need to do – Noah Feb 23 '15 at 16:58
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Because I'm still a little unclear about the nature of the question, this is my punt.

if a directory contains either AAA.x12 or BBB.x12, but not both and you want to recursively grep only files named output.log within directories containing BBB.x12

find -type f -name 'BBB.x12' -printf '%h\n' | grep -d recurse -sinI string --include="output.log"

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  • didn't work for me. I should have included my system type, solaris did not support the 'printf' flag for find; – Noah Feb 23 '15 at 17:08
  • @Noah, find -type f -name 'BBB.x12' -print | xargs ls -d | grep -d recurse -sinI string --include="output.log" – Nodak Feb 23 '15 at 18:16

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