mleku/moxa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add option "-e"

Browse Source 
Option "-e" allows to set the command to be executed:

```
echo '6001d5ff0000000003000000000107000000dcff' | \
	yaegi -e 'import "fmt"; import "os"; import "encoding/hex"; import "io/ioutil"; func main() { in, _ := ioutil.ReadAll(os.Stdin); decoded, _ := hex.DecodeString(string(in));fmt.Println(string(decoded)) }' 2>/dev/null | \
	hexdump -C
00000000  60 01 d5 ff 00 00 00 00  03 00 00 00 00 01 07 00  |`...............|
00000010  00 00 dc ff 0a                                    |.....|
00000015
```
This commit is contained in:
Dmitrii Okunev
2020-02-17 11:02:21 +00:00
committed by Fernandez Ludovic
parent c7c1bea7ef
commit d29b0a48ff
1 changed files with 34 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
cmd/yaegi/yaegi.go
View File

@@ -47,8 +47,10 @@ import (
func main() {
var interactive bool
var tags string
var cmd string
flag.BoolVar(&interactive, "i", false, "start an interactive REPL")
flag.StringVar(&tags, "tags", "", "set a list of build tags")
flag.StringVar(&cmd, "e", "", "set the command to be executed (instead of script or/and shell)")
flag.Usage = func() {
fmt.Println("Usage:", os.Args[0], "[options] [script] [args]")
fmt.Println("Options:")
@@ -62,34 +64,41 @@ func main() {
i.Use(stdlib.Symbols)
i.Use(interp.Symbols)
if len(args) > 0 {
// Skip first os arg to set command line as expected by interpreted main
os.Args = os.Args[1:]
flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
if cmd != `` {
i.REPL(strings.NewReader(cmd), os.Stderr)
}
b, err := ioutil.ReadFile(args[0])
if err != nil {
log.Fatal("Could not read file: ", args[0])
}
s := string(b)
if s[:2] == "#!" {
// Allow executable go scripts, but fix them prior to parse
s = strings.Replace(s, "#!", "//", 1)
}
i.Name = args[0]
if _, err := i.Eval(s); err != nil {
fmt.Println(err)
if p, ok := err.(interp.Panic); ok {
fmt.Println(string(p.Stack))
}
}
if interactive {
if len(args) == 0 {
if interactive || cmd == `` {
i.REPL(os.Stdin, os.Stdout)
}
} else {
return
}
// Skip first os arg to set command line as expected by interpreted main
os.Args = os.Args[1:]
flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
b, err := ioutil.ReadFile(args[0])
if err != nil {
log.Fatal("Could not read file: ", args[0])
}
s := string(b)
if s[:2] == "#!" {
// Allow executable go scripts, but fix them prior to parse
s = strings.Replace(s, "#!", "//", 1)
}
i.Name = args[0]
if _, err := i.Eval(s); err != nil {
fmt.Println(err)
if p, ok := err.(interp.Panic); ok {
fmt.Println(string(p.Stack))
}
}
if interactive {
i.REPL(os.Stdin, os.Stdout)
}
}