Shell Functions for Go Development

Some utility shell script functions useful in the go development environment

Installation

To use shell functions, download and exec the shell script.

$ go get github.com/sikang99/go-funcs
$ cd $GOPATH/src/github.com/sikang99/go-funcs
$ source ./go-funcs.sh # or include . <path>/go-funcs.sh in ~/.bashrc

Usage

To see help message of usage after installation,

usage: setlang [kr|en]
usage: gitclone <package folder> on {github,gitlab}.com
usage: gitupdate <.>
usage: openpage <URL>
usage: get [<language> <url of package>] are required.
usage: goto [.|..|root|path|stoney|sikang|webcam|http|go|rs|py|js|jv|dt|wa|hb]
usage: get [<language> <url of package>] are required.
usage: gofile <filename> [path to start]
usage: gofind <search string> [path to start]
usage: gopath <package name>
usage: gover <go version>: 1.9(.7), 1.10(.8), 1.11(.12), 1.12(.7)
usage: gohub <search text> written golng in github.com
usage: gopage <.|url|github path>
usage: gomod [auto|on|off|<command>...]
usage: gopkg [mod|src|vendor] [<package>]
usage: gotrd [<all|go|rs|js|py|dt|dk|week|month>:go]
usage: goport [<port number>|ip|scan|axis]
usage: godkr <compose|machine|layer|open|clean|run> <params...>
usage: gotoken <coin:c|market:m|binance:b|btc|eth|eos>
usage: govnc <info|list|play|search|version>
usage: pyver <2|3>
usage: futter [open|build|force|upgrade|clean|yaml|desktop|...]
usage: datter [update|yaml|format|web|...]
usage: gst <info|list|play|search|version>
usage: genkey <local|quic>
usage: kube <start|stop|info> - Kubenates v1.15.0
usage: pion <open|update|mod|src|doc|home|back> - WebRTC media system, v2.0.23
usage: wasm <copy|bin|install|open|run|update>

To see the source of the shell function, type like this.

$ type openpage
openpage is the function
openpage ()
{
    if [ $# = 0 ]; then
        echo "usage: $FUNCNAME <URL>";
        return;
    fi;
    if [[ "$OSTYPE" == "linux-gnu" ]]; then
        xdg-open $1;
    else
        if [[ "$OSTYPE" == "darwin"* ]]; then
            open $1;
        else
            echo $1;
        fi;
    fi
}

goto

To change a specific directory, use goto.

$ goto
usage: goto [.|..|root|path|stoney|wasm|webcam|http]

$ goto . # save the current directory
$ goto .. # return to the saved directory

goget

To download go sources from open repos, use goget regardless of includng http scheme or .git tail.

$ goget
usage: goget [<option>] <package path>

$ goget https://github.com/sikang99/go-funcs.git
$ goget https;//github.com/sikang99/go-funcs -u
$ goget github.com/sikang99/go-funcs/... -u -v
$ goget -u github.com/sikang99/go-funcs/... -v
$ pwd
GOPATH/src/github.com/sikang99/go-funcs

To change to the directory that you check the go sources downloaded, use gopath as following.
/vendor and /_ directories are excluded in search

$ gopath
usage: gopath <package name>

$ gopath go-funcs
GOPATH/src/github.com/sikang99/go-funcs

$ gopath github.com
GOPATH/src/github.com

gohub

To use gohub, install the package sikang99/hub-search.

$ goget https://github.com/sikang99/go-funcs
$ gohub
usage: gohub <search text>

$ gohub wasm
  sbinet/wasm
  tools to interact with WASM files
  2018-07-19T14:09:41Z  Go  162  65.25
  https://github.com/sbinet/wasm

  go-interpreter/wagon
  wagon, a WebAssembly-based Go interpreter, for Go.
  2018-08-04T08:55:25Z  Go  363  59.09
  https://github.com/go-interpreter/wagon

  ontio/ontology-wasm
  Ontology wasm is a VM for ontology block chain, it can also be used for other stand-alone environment not only for block chains.
  2018-07-30T08:13:26Z  Go  438  55.99
  https://github.com/ontio/ontology-wasm
...

$ gohub "github search"
...

gover

To select a specific go version installed in your environment, use gover with version number such as 1,9, 1.10, 1.11 Currently my case with two go versions is as following. If your want to support more versions, plz edit the script.

$ tree -L 1 $GOROOT/..
$HOME/root/go/..
├── bak
├── go -> go1.11beta2
├── go1.9.7
├── go1.10.3
└── go1.11beta3

Before using, check gocode and install it if not exist.

$ go get -u github.com/nsf/gocode

Let's try to use gover.

$ gover
usage: gover <go version>

$ gover 1.10 # or 1.9, 1.10.3, go1.10.3
go version go1.10.3 linux/amd64

$ gover 1.11
go version go1.11beta3 linux/amd64

gopage

To open a web page corresponding to the current source directory, type gopage ..

$ pwd
$GOPATH/src/github.com/sikang99/go-funcs

$ gopage .
https://github.com/sikang99/go-funcs

gitclone

To clone the repo like as its web path, use gitclone as following.

$ gitclone https://github.com/yurydelendik/wasmtext
git clone https://github.com/yurydelendik/wasmtext
...
$ pwd
.../src/github.com/yurydelendik/wasmtext

get

Function for downloading git sources of a package

$ get <py|go|rs|dt|js> <package repo>

godkr

Utility functions for docker

$ godkr page golang
https://hub.docker.com/r/golang/

$ godkr clean
cleaning .... images

gomod

This is for seting the environment variable of GO111MODULE.

$ gomod
usage: gomod <auto|on|off> [GO111MODULE=auto]

$ gomod on
[GO111MODULE=on]

gotrd

Display trending in github.com by using sikang99/hub-trend

$ gotrd -h
gotrd [<all|go|rs|js|py|dt|week|month>:go]

$ gotrd rs
...

goport

To find the processes using the given port.

$ goport 8080

gotoken

Display prices of the crypto tokens such as bitcoin, ethereum, eos by using polyrabbit/token-ticker

$ gotoken
usage: gotoken <all:a|market:m|binance:b>

$ gotoken market
...

pyver

Changer the python version and tool to use

$ pyver
usage: pyver <2|3>

$ pyver 3
Python 3.6.5
pip 9.0.1 from /usr/lib/python3/dist-packages (python 3.6)

gowasm

$ type gowasm
gowasm is aliased to `GOOS=js GOARCH=wasm go'

Reference

• Bash 입문자를 위한 핵심 요약 정리 (Shell Script)
• Advanced Bash-Scripting Guide
• How To Build Go Executables for Multiple Platforms on Ubuntu 16.04
• A Good Makefile for Go
• Bash Programming

Books

• From Bash to Z Shell: Conquering the Command Line, Packt, 2005

LICENSE

MIT