Slide 1

Slide 1 text

IT Saturday • @aleks_voronov • Stanfy BUILDING CLI WITH SWIFT ALEXANDER VORONOV, STANFY @aleks_voronov

Slide 2

Slide 2 text

IT Saturday • @aleks_voronov • Stanfy REASON WHY?

Slide 3

Slide 3 text

IT Saturday • @aleks_voronov • Stanfy OTHER PLATFORMS

Slide 4

Slide 4 text

IT Saturday • @aleks_voronov • Stanfy JAVASCRIPT NODEJS NPM BOWER GULP GRUNT

Slide 5

Slide 5 text

IT Saturday • @aleks_voronov • Stanfy RUBY RACK RAILS SINATRA RUBYGEMS RAKE

Slide 6

Slide 6 text

IT Saturday • @aleks_voronov • Stanfy PYTHON PYPI PIP …

Slide 7

Slide 7 text

IT Saturday • @aleks_voronov • Stanfy SWIFT COCOAPODS CARTHAGE SPM PERFECT COMMANDANT

Slide 8

Slide 8 text

IT Saturday • @aleks_voronov • Stanfy FULLSTACK MULTIPLATFORM

Slide 9

Slide 9 text

IT Saturday • @aleks_voronov • Stanfy FULLSTACK MULTIPLATFORM

Slide 10

Slide 10 text

IT Saturday • @aleks_voronov • Stanfy WHAT IS CLI?

Slide 11

Slide 11 text

IT Saturday • @aleks_voronov • Stanfy WHAT IS CLI?

Slide 12

Slide 12 text

IT Saturday • @aleks_voronov • Stanfy CLI ARGUMENTS

Slide 13

Slide 13 text

IT Saturday • @aleks_voronov • Stanfy POSIX STANDARD SHORT FLAGS $ ls -a $ ruby -v $ git commit -m "..."

Slide 14

Slide 14 text

IT Saturday • @aleks_voronov • Stanfy GNU STANDARD LONG FLAGS $ ls --all $ ruby --version $ git commit --message "..."

Slide 15

Slide 15 text

IT Saturday • @aleks_voronov • Stanfy COMBINED FLAGS $ git commit -a -m "..." $ git commit -am "..."

Slide 16

Slide 16 text

IT Saturday • @aleks_voronov • Stanfy SUBCOMMANDS $ git log -2 $ git status $ git commit -am "..."

Slide 17

Slide 17 text

IT Saturday • @aleks_voronov • Stanfy STANDARD IO 0 - STDIN 1 - STDOUT 2 - STDERR

Slide 18

Slide 18 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile > cat: nofile: No such file or directory

Slide 19

Slide 19 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile 2>>err.log

Slide 20

Slide 20 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile 2>&1

Slide 21

Slide 21 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile 2>>err.log 1>>out.log

Slide 22

Slide 22 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile 2>/dev/null

Slide 23

Slide 23 text

IT Saturday • @aleks_voronov • Stanfy 0 - STDIN 1 - STDOUT 2 - STDERR $ cat nofile 2>&1 | grep kernel

Slide 24

Slide 24 text

IT Saturday • @aleks_voronov • Stanfy UNIX PIPELINES ⛓ $ ls -l | grep "Mar" | sort

Slide 25

Slide 25 text

IT Saturday • @aleks_voronov • Stanfy UNIX PIPELINES ⛓ $ ps aux | grep Xcode | awk '{print $2}'

Slide 26

Slide 26 text

IT Saturday • @aleks_voronov • Stanfy UNIX PIPELINES ⛓ $ git branch | xargs git branch -D

Slide 27

Slide 27 text

IT Saturday • @aleks_voronov • Stanfy CLI WITH SWIFT

Slide 28

Slide 28 text

IT Saturday • @aleks_voronov • Stanfy SWIFT REPL (READ-EVALUATION-PRINT-LOOP) $ swift

Slide 29

Slide 29 text

IT Saturday • @aleks_voronov • Stanfy IMMEDIATE MODE $ swift script.swift

Slide 30

Slide 30 text

IT Saturday • @aleks_voronov • Stanfy SWIFT COMPILE ⚙ $ swiftc script.swift $ ./script

Slide 31

Slide 31 text

IT Saturday • @aleks_voronov • Stanfy SWIFT COMPILE ⚙ $ swiftc script.swift -o myscript $ ./myscript

Slide 32

Slide 32 text

IT Saturday • @aleks_voronov • Stanfy EXECUTABLE SCRIPTS

Slide 33

Slide 33 text

IT Saturday • @aleks_voronov • Stanfy EXECUTABLE SCRIPTS #!/USR/BIN/SWIFT HASHBANG

Slide 34

Slide 34 text

IT Saturday • @aleks_voronov • Stanfy EXECUTABLE SCRIPTS CHMOD +X SCRIPT.SWIFT

Slide 35

Slide 35 text

IT Saturday • @aleks_voronov • Stanfy SCALING OUR CLI WORKING WITH MULTIPLE FILES

Slide 36

Slide 36 text

IT Saturday • @aleks_voronov • Stanfy MAIN.SWIFT

Slide 37

Slide 37 text

IT Saturday • @aleks_voronov • Stanfy EXECUTING MULTIPLE FILES $ swift main.swift script.swift

Slide 38

Slide 38 text

IT Saturday • @aleks_voronov • Stanfy $ swiftc main.swift script.swift -o script EXECUTING MULTIPLE FILES

Slide 39

Slide 39 text

IT Saturday • @aleks_voronov • Stanfy $ swiftc script.swift main.swift -o script EXECUTING MULTIPLE FILES

Slide 40

Slide 40 text

IT Saturday • @aleks_voronov • Stanfy $ swiftc *.swift -o script EXECUTING MULTIPLE FILES

Slide 41

Slide 41 text

IT Saturday • @aleks_voronov • Stanfy $ find . -iname '*.swift' | xargs swiftc -o script EXECUTING MULTIPLE FILES

Slide 42

Slide 42 text

IT Saturday • @aleks_voronov • Stanfy EXTERNAL RESOURCES

Slide 43

Slide 43 text

IT Saturday • @aleks_voronov • Stanfy SYSTEM DEPENDENCIES $ swiftc script.swift $ xcrun -sdk macosx swiftc script.swift

Slide 44

Slide 44 text

IT Saturday • @aleks_voronov • Stanfy CUSTOM DEPENDENCIES -F $ swift -F /Carthage/Build/Mac script.swift

Slide 45

Slide 45 text

IT Saturday • @aleks_voronov • Stanfy CUSTOM DEPENDENCIES #!/USR/BIN/SWIFT -F Carthage/Build/Mac HASHBANG

Slide 46

Slide 46 text

IT Saturday • @aleks_voronov • Stanfy COMPILING DEPENDENT SCRIPT

Slide 47

Slide 47 text

IT Saturday • @aleks_voronov • Stanfy $ xcrun \ -sdk macosx swiftc \ -F Carthage/Build/Mac script.swift COMPILING DEPENDENT SCRIPT > dyld: Library not loaded: @rpath

Slide 48

Slide 48 text

IT Saturday • @aleks_voronov • Stanfy $ xcrun \ -sdk macosx swiftc \ -F Carthage/Build/Mac script.swift \ -Xlinker -rpath \ -Xlinker @executable_path/Carthage/Build/Mac COMPILING DEPENDENT SCRIPT

Slide 49

Slide 49 text

IT Saturday • @aleks_voronov • Stanfy DEPENDENCIES MANAGEMENT

Slide 50

Slide 50 text

IT Saturday • @aleks_voronov • Stanfy COCOAPODS

Slide 51

Slide 51 text

IT Saturday • @aleks_voronov • Stanfy CARTHAGE

Slide 52

Slide 52 text

IT Saturday • @aleks_voronov • Stanfy SPM SWIFT PACKAGE MANAGER

Slide 53

Slide 53 text

IT Saturday • @aleks_voronov • Stanfy PARSING ARGUMENTS

Slide 54

Slide 54 text

IT Saturday • @aleks_voronov • Stanfy PARSING ARGUMENTS $ ./script one two three $ ./script one\ two\ three $ ./script "one two three" 3 args 1 arg 1 arg

Slide 55

Slide 55 text

IT Saturday • @aleks_voronov • Stanfy PROCESS ENUM Process.arguments == [ "./script.swift", "one", "two", "three" ]

Slide 56

Slide 56 text

IT Saturday • @aleks_voronov • Stanfy FILESYSTEM

Slide 57

Slide 57 text

IT Saturday • @aleks_voronov • Stanfy FILESYSTEM NSFILEMANAGER NSFILEHANDLER NSTASK NSPIPE

Slide 58

Slide 58 text

IT Saturday • @aleks_voronov • Stanfy HANDY LIBRARIES
 COMMANDER OPTIONKIT COMMANDANT REACTIVETASKS PRETTYCOLORS

Slide 59

Slide 59 text

IT Saturday • @aleks_voronov • Stanfy REAL WORLD EXAMPLES CARTHAGEKIT
 CARTHAGE CLI

Slide 60

Slide 60 text

IT Saturday • @aleks_voronov • Stanfy THANK YOU!

Slide 61

Slide 61 text

IT Saturday • @aleks_voronov • Stanfy Q/A @ALEKS_VORONOV A-VORONOV