go (diff) - MyWackoSite

Merge of Version1 & Version2
75
76	$ godoc -http=:8181
77	%%
78
79	%%
80
81	## Go uses static linking by default
82	$ go build helloworld.go
83
84	$ ls -l
85	total 752
86	-rwxr-x--- 1 ebal ebal 1855827 Oct 14 23:07 helloworld
87	-rw-r----- 1 ebal ebal 109 Oct 14 23:05 helloworld.go
88
89	$ ./helloworld
90	Hello World!
91
92	$ file helloworld
93	helloworld: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, with debug_info, not stripped
94
95	$ ldd helloworld
96	not a dynamic executable
97
98	$ strip helloworld
99
100	$ ldd helloworld
101	not a dynamic executable
102
103	$ ls -l helloworld
104	-rwxr-x--- 1 ebal ebal 1226248 Oct 14 23:14 helloworld
105
106
107	## From 1855827 ~~> 1226248
108
109	$ file helloworld
110	helloworld: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, stripped
111
112	%%
113
114	%%
115
116	## Variables
117
118	GOROOT
119	GOHOME
120	GOBIN
121	GOPATH
122
123	%%
124
125	%%
126
127	$ go help environment \| head -5
128
129	The go command, and the tools it invokes, examine a few different
130	environment variables. For many of these, you can see the default
131	value of on your system by running 'go env NAME', where NAME is the
132	name of the variable.
133
134	%%
135
136	%%
137
138	$ gofmt test.go
139	package main
140
141	import (
142	"fmt"
143	"os"
144	)
145
146	func main() {
147	arguments := os.Args
148	for i := 0; i < len(arguments); i++ {
149	fmt.Println(arguments[i])
150	}
151	}
152
153
154	$ go run test.go 1 2
155	TMPDIR/go-build729121647/command-line-arguments/_obj/exe/test
156	1
157	2
158
159	%%
160