$ killall gpg-agent # or $ gpgconf --kill gpg-agent

$ chmod +x script.sh

# python2 $ python -m SimpleHTTPServer 8000 # python3 $ python3 -m http.server # alias alias http="python -m SimpleHTTPServer 8000"

# check current config and print config path $ nginx -t # update the config $ open /usr/local/etc/nginx/ # run $ nginx # stop $ nginx -s stop # restart $ nginx -s reload

# substitute and print to stdout $ sed -e 's/one/first/g' test-file.txt # substitute in place with backup $ sed -i '.backup' -e 's/one/first/g' test-file.txt # substitute in place without backup $ sed -i '' -e 's/another/next/g' test-file.txt

# count lines of code for jsx files in current folder $ wc -l `find . -type f -name "*.jsx" | sort -n` # count lines of code for jsx and css files in current folder $ wc -l `find . -type f -name "*.jsx" -or -name "*.css" | sort -n` # count lines of code for tsx files in src folder $ wc -l `find ./src -type f -name "*.tsx" | sort -n` # count tsx or ts files, excluding *.test.ts and .test.tsx, sort by LOC $ wc -l `find ./src -type f '(' -name "*.tsx" -or -name "*.ts" ')' -not '(' -name "*.test.ts" -or -name ".test.tsx" ')'` | sort -n # alias alias wct=$'wc -l `find ./src -type f -name "*.tsx" | sort -n`'

# prune remote-tracking branches no longer on remote $ git fetch --prune # print local branches that are not found on remote $ git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' # remove local branches that are not found on remote $ git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' | xargs git branch -d #alias alias gfp="git fetch --prune" alias gcz="git cz" alias grm=$'git branch -r | awk \'{print $1}\' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk \'{print $1}\' | xargs git branch -d'

$ git checkout origin/master filename

$ git ls-tree -r --name-only HEAD | while read filename; do echo "$(git log -1 --format="%ai" -- $filename) $filename"; done | sort

# list devices with identifiers $ ~/Library/Android/sdk/emulator/emulator -list-avds # run in background $ ~/Library/Android/sdk/emulator/emulator -avd Pixel_2_API_28 & $ alias android="~/Library/Android/sdk/emulator/emulator -avd Pixel_2_API_28 &"

# list devices with identifiers $ instruments -s devices # start Simulator $ open /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app/ $ alias ios="open /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app/"

$ sudo lsof -iTCP -sTCP:LISTEN -n -P $ sudo lsof -i -P -n | grep LISTEN

$ tar -tvf archive.tar

# check $ find . -name "node_modules" -type d -prune | xargs du -chs # remove $ find . -name "node_modules" -type d -prune -exec rm -rf '{}' +

$ find . -name ".DS_Store" -delete

# turn off $ sudo mdutil -a -i off # turn on $ sudo mdutil -a -i on

$ virtualenv venv $ source venv/bin/activate $ deactivate