common command

gistfile1.sh

# recursive cat
find . -name '*.php' | xargs wc -l

# format json
echo '{"json":"obj"}' | python -mjson.tool

# git diff
git difftool --tool=tkdiff --no-prompt

# grep
grep -r --exclude-dir=.git

# android lint
lint --disable NewApi,DrawAllocation,ContentDescription,UselessParent,UnusedIds,FieldGetter,UnknownIdInLayout,Overdraw .

# vim camel case to underscore
%s/\<\u\|\l\u/\=len(submatch(0)) == 1 ? tolower(submatch(0)) : submatch(0)[0].'_'.tolower(submatch(0)[1])/g