Z – the last shell you‟ll ever need

changlp

after login after

login - Script

Non

Shellexecuted

Shell

- ? Login User‟s shell User‟s

- Fork

Non • Type

殼 → Execute → Analyze Fetch

interactive Interactive    Introduction

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use

in 1990 in

zsh

Falstad ZSH (1/2) ZSH

– by Paul as underlying syntax as underlying

sh Powerful user experience user Powerful / migrating using forEasy

shell designed for interactive designed shell • • Completion & correction & Completion shells/ ports:in Available Use Originally A

     Introduction

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ZSH (2/2) ZSH

– lica / -

usr cd / cd rsync

%

%

  Introduction

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after after login

login - Script Non Shell executed

? Login User‟s shell User‟s

- Non interactive Interactive

zshrc zshenv zprofile / /(z)login / / zshrc zshenv zprofile etc etc etc etc ~/.(z)login / ~/. / / ~/. / ~/.

• • • • • • • •

If [ login shell ] shell login If [ If [ interactive ] If [ interactive If [ login shell ] shell If [ login For all ZSH For all

    Startup Startup Files (1/2)

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)

)

etc etc

)

zlogout

(

Execute some program on login / logout/ login on program some Execute Settings for ALL types of ZSH of ALL types for Settings … (path session login each for Settings … (prompt settings interactive Some

profile • • • • zlogin z zshrc zshenv

    Startup Startup Files (2/2)

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with 0004 permission 0004 with

subdir fileN Multios

# note the order the # note - /log and its andits /log foo var sort sort /log/**/*log(R.) var / n < - < sort| bar All files under / under files All | foo bar cat %

• • % cat % cat % date >file1 >file2 … > >file2 >file1 % date prog1 | >file1 % date

    IO RedirectionIO

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Null RedirectionNull

- NULLCMD

more or$READNULLCMD more or$ cat

• • % > file % > % < file % <

  IO RedirectionIO

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Globbing

Extended globbing

–

globbing

Gerneration

Makefile ^ * *.[co] *.[^oh] ^*.

lh lh lh lh lh – – – – –

ls on) EXTENDEDGLOB (default Option: ls ls ls ls

• • • • • • ZSH ZSH supports extended Common simple support shells Common

  Filename

Computer Center, CS, NCTU 9

.)

Globbing …(qualifier)

subdir .[^oh](R –

&

ggyy dir

subdirs )[[:digit:]] i (# **/foo pattern,operator

and

lh lh globbing – –

dirs ls ls

Searches foo under allfoo Searches All symboliclinksAlso follow

   Ex. $ Ex. **/ ***/ $ Ex.

• •   Form: (flags)Form: Recursive

  Filename Generation

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Makefile

makefile

Mokefile

flags

Nukefile makefile Mikefile MakeFile pattern

)Make(#I)file i (#

of theof ls ls Mukefile $ Makefile $ 1ggyy.c Mekefile end Globbing

–

group or group

enclosing

right

)Make(#I)file of i (#

their lh flags -

: {M,N} in regex {M,N} : ls Untilend $ Approximate : case sensitivity case : i

:   cM,N # #a … Affect to Affect operators with interleave May #I/

• • • •   Globbing

 Filename Generation

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operator

Globbing

–

:]… characters

digit

:], :], [:

is self explanatory [:alpha operator

– Matchenclosed Named class Use or “^” “!” for negation Grouping This

    

… () Cooperate with patterns with Cooperate regex Like * []

• • •  •  Globbing

 Filename Generation

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status qualifier

a zero returns

cmd if Globbing

– should be argument list argument be should

which filenames filenames which qualifier

: filename will be included be included will filename :

cmd … Specify Specify directories /: files plain .: links @: +

• • • • •  Globbing

 Filename Generation

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?

?Open! 是什麼小朋友 Reference

者

– 愛用 ind(1) ind(1) f 可以吃嗎 ZSH

zsh.sourceforge.net/Doc/Release/Expansion.html#Filename :// http Generatio expansion of types other on look a Have

• • For further information For further glob

 Filename Generation

Computer Center, CS, NCTU 14

ins if possible if ins -

built (1)

zsh

shexpn Module support Module z Use

• • • Portability Expansion based Bourne shell Globbing

    Script

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blah

A - unique_set agent

U

r -

-

Type System

% typeset% Slice – Types   Unique set Unique Association (hash) Association Constant Array (string) Scalar Float Integer

• • • • • • • % typeset …

% typeset Data

    Script Script

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Module zshwiki.org/home/code/scripts/zshttpd tcp

- mathfunc / /net/ /example /curses http://

• Example … zsh zsh zsh zsh

      Script Script

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unpigz

zcat

gunzip complete. / ]z)'

ag tcsh [ z|t ]

gGd /‘

completion -

'p/1/u

'p/1/c/'

/share/examples/

‘p/1/d/’ X '!*.@(Z|[ X - f usr - sudo chown

csh omplete omplete More in: shells/ in: More / in: More complete complete complete complete c cd complete

• • separately distributed Completion

In bash

, and shell tries to fill the rest the to fill tries shell and , In (t)

    Completion

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//functions/Completion/ zsh

/local/share/

usr

$OS echo ssh

[FreeBSD] See / See [FreeBSD] Context sensitive Context % cd % %

• • • • 

Completion function distributed with ZSH distributedfunction Completion Programmable completion Programmable

  Completion ZSH in

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>

>:::

>:

Things can be completed from this point this from be completed can Things Completer name („completer‟ in standard completion case) completion standard in („completer‟ name Completer Correction… Current context whilecompletingCurrent context farso here arrived completion How system completion standard from called if Blank

• • • • • • completion Tag Command Argument Completer Func :

      Completion Context(1/2)

Computer Center, CS, NCTU 20 files files -

modified -

) files - :: (+ more arguments) more (+ :: (2/2 files ignored files

add - - subcommands) more (+ :: :: other files files files untracked files complete:cd complete:git complete:git - -

other - add

:completion:: :completion:: :completion:: git cd

• • • Tag: modified Tag: ignored % %

   Completion Context

Computer Center, CS, NCTU 21 correct

_ always

list

complete complete - select

':completion:*' menu menu ':completion:*' force ':completion:*:kill:*' _ completer ':completion:*'

_approximate zstyle zstyle Control the behavior of of completers behavior the Control zstyle

    Completion Styles

Computer Center, CS, NCTU 22

interactive completion system completion in completion support for most UNIX programs for most UNIX completion support in -

for Completion system overheadsystemCompletion Good for Built

  

Bad Bad Slow configuration Complex Powerful

• • • • Cons Pros

 Summing Summing Up

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如果有東西壞了請當作沒有看到

 Live Demo

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Line

highlighting - zsh - my -

syntax - users/zsh - Resourse

github.com/robbyrussell/oh github.com/zsh ://

From Bash to Z Shell: Conquering the Command Command the Conquering Shell: to Z Bash From ZSH manual https https://

    Some Some Plugins &

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