grep --exclude/--include syntax (do not grep through certain files)

grep -ircl "foo=" *

--include=PATTERN     Recurse in directories only searching file matching PATTERN.
--exclude=PATTERN     Recurse in directories skip file matching PATTERN.

grep -ircl --exclude=*.{png,jpg} "foo=" *

grep -Ir --exclude="*.svn*" "pattern" *

grep pattern -r --include=*.{cpp,h} rootdir

grep -rI --exclude-dir=".svn" "pattern" *

grep -ircl --exclude=*.{png,jpg} "foo=" *

ack -icl "foo="

ack -icl --cpp "foo="

export GREP_OPTIONS="--exclude=*.svn*"

grep -Ir --exclude="*.svn*" "pattern" *

grep -rn "foo=" . | grep -v "Binary file"

find . -not -name '*.png' -o -type f -print | xargs grep -icl "foo="

export GREP_OPTIONS="--exclude-dir=\*/.svn/\* --exclude=\*~"

export GREP_OPTIONS="--exclude-dir=\*/.svn/\* --exclude=\*~"

du -ha | grep -i -o "./.*" | grep -v ".svn|another_file|another_folder" | xargs grep -i -n "$1"

sudo port install grep