find string inside a gzipped file in a folder

linux shell directory grep gzip
gagneet picture gagneet · Aug 10, 2009 · Viewed 79.6k times · Source

My current problem is that I have around 10 folders, which contain gzipped files (around on an average 5 each). This makes it 50 files to open and look at.

Is there a simpler method to find out if a gzipped file inside a folder has a particular pattern or not?

zcat ABC/myzippedfile1.txt.gz | grep "pattern match"
zcat ABC/myzippedfile2.txt.gz | grep "pattern match"

Instead of writing a script, can I do the same in a single line, for all the folders and sub folders?

for f in `ls *.gz`; do echo $f; zcat $f | grep <pattern>; done;

Answer

Ned Batchelder picture Ned Batchelder · Aug 10, 2009

zgrep will look in gzipped files, has a -R recursive option, and a -H show me the filename option:

zgrep -R --include=*.gz -H "pattern match" .

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