func main() {
app := cli.NewApp()
app.Name = "fieldextract"
app.Usage = "Retrieves the fields of data structures & prints them to stdout"
app.Flags = []cli.Flag{
cli.BoolFlag{
Name: "debug",
Usage: "debug mode",
Destination: &debugMode,
},
cli.StringFlag{
Name: "fields",
Usage: "Fields to extract",
Destination: &fieldsArg,
},
cli.StringFlag{
Name: "format",
Usage: "Format of data structure",
Value: "json",
Destination: &formatArg,
},
cli.StringFlag{
Name: "separator",
Usage: "Output separator",
Value: "\t",
Destination: &separatorArg,
},
cli.BoolFlag{
Name: "withnames",
Usage: "Output field names",
Destination: &withNamesArg,
},
cli.BoolFlag{
Name: "trimquotes",
Usage: "trim quotes",
Destination: &trimQuotesArg,
},
cli.BoolFlag{
Name: "skipempty",
Usage: "skip rows with empty fields",
Destination: &skipEmptyArg,
},
}
app.Action = func(c *cli.Context) {
// this func's called for each row in stdinы
process := func(row []byte) error {
debug(string(row))
res, err := extractFields(string(row), fieldsArg)
if err != nil {
log.Printf("ERROR: %s\n", err.Error())
} else {
fmt.Println(res)
}
return nil
}
err := iostreams.ProcessStdin(process)
if err != nil {
log.Panicln(err.Error())
}
}
app.Run(os.Args)
}
func main() {
app := cli.NewApp()
app.Name = "fieldextract"
app.Usage = "Retrieves the fields of data structures & prints them to stdout"
app.Flags = []cli.Flag{
cli.BoolFlag{
Name: "debug",
Usage: "debug mode",
EnvVar: "SEQREQUEST_DEBUG",
Destination: &debugMode,
},
cli.StringFlag{
Name: "url",
Usage: "request url",
Destination: &urlArg,
},
cli.StringFlag{
Name: "data",
Usage: "parameters",
Destination: &dataArg,
},
cli.StringFlag{
Name: "method",
Usage: "method",
Value: "GET",
Destination: &methodArg,
},
cli.StringFlag{
Name: "separator",
Usage: "Output separator",
Value: "\t",
Destination: &separatorArg,
},
cli.BoolFlag{
Name: "through",
Usage: "translate stdin to stdout",
Destination: &throughMode,
},
cli.BoolFlag{
Name: "fake",
Usage: "fake mode (without http requests)",
Destination: &fakeMode,
},
}
app.Action = func(c *cli.Context) {
// this func's called for each stdin's row
process := func(row []byte) error {
debug(string(row))
reqParams := strings.Split(string(row), separatorArg)
urlString := urlArg
dataString := dataArg
for i, param := range reqParams {
paramTpl := fmt.Sprintf("{%d}", i+1)
urlString = strings.Replace(urlString, paramTpl, param, -1)
dataString = strings.Replace(dataString, paramTpl, param, -1)
}
debug("Url: %s", urlString)
debug("Data: %s", dataString)
if fakeMode {
return nil
}
err := sendRequest(urlString, dataString)
if err != nil {
log.Println(err.Error())
}
return nil
}
iostreams.ThroughMode = throughMode
err := iostreams.ProcessStdin(process)
if err != nil {
log.Panicln(err.Error())
}
}
app.Run(os.Args)
}