CLI apps. For fun and profit

Talk given at Cocoa Kucha on #inspect conference, May 2014

1. CLI APPS. FOR FUN AND PROFIT @SUPERMARIN
2. WHEN FUNCTIONALITY NOT SUPPORTED BY GUI IT'S HARD TO AUTOMATE TASKS ENDLESS POSSIBILITIES
3. HOW DO I RUBY, GO, PYTHON, EVEN OBJECTIVE-C
4. PIPELINE CAT BUILD.LOG | GREP ERROR | WC -L
5. STATUS CODES $ XCODEBUILD | TEE XCODEBUILD.LOG | XCPRETTY
6. XCODEBUILD FAILS, STATUS 0
7. PIPESTATUS [] $ xcodebuild | tee output.log | xcpretty $? => 0 ${PIPESTATUS[0]} => 65 ${PIPESTATUS[2]} => 0 $ xcodebuild | tee output.log | xcpretty; exit ${PIPESTATUS[0]}
8. SET -O PIPEFAIL $ xcodebuild | tee output.log | xcpretty $ echo $? => 65
9. BEWARE OF YOUR $SHELL | $SHELL | Exit status | Pipe status | Set a var | |--------|-------------|---------------|-------------| | bash | $? | $PIPESTATUS | export VAR= | |--------|-------------|---------------|-------------| | zsh | $status | $pipestatus | export VAR= | |--------|-------------|---------------|-------------| | fish | $status | / | set -x VAR |
10. #! #!/USR/BIN/ENV RUBY
11. POSIX FLAGS $ COMMAND --VERBOSE --COLOR = $ COMMAND -VC (ONLY IN SILICON VALLEY)
12. CLI FRAMEWORKS DON'T DIY
13. XCPRETTY GITHUB.COM/SUPERMARIN/XCPRETTY
14. SUCH HTML
15. WHY IN THE WORLD? THERE'S XCTOOL
16. XCTOOL(XCODEBUILD) -FLAG -FLAG WRAPPING XCODEBUILD, RECREATING FLAGS
17. XCODEBUILD -FLAG -FLAG | XCPRETTY USING VANILLA XCODEBUILD
18. XCTOOL - TESTS maintaining separate settings XCODEBUILD - BETA XCODEBUILD - APPSTORE maintaining separate settings
19. USED BY RUBYMOTION FACEBOOK (POP) AFNETWORKING KIWI YAMMER THOUGHTBOT MANY OTHERS
20. <3 HIPBYTE YAMMER @KATTRALI