url-parser/internal/command/path.go

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package command
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import (
"fmt"
"strings"
"github.com/urfave/cli/v2"
)
// PathFlags defines flags for path subcommand
func PathFlags() []cli.Flag {
return []cli.Flag{
&cli.IntFlag{
Name: "path-index",
Usage: "filter parsed path by index",
EnvVars: []string{"URL_PARSER_PATH_INDEX"},
Value: -1,
},
}
}
// Path prints out the path part from url
func Path(ctx *cli.Context) error {
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parts := parseURL(ctx.String("url"))
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i := ctx.Int("path-index")
if len(parts.Path) > 0 {
if i > -1 {
path := strings.Split(parts.Path, "/")
if i++; i < len(path) {
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fmt.Println(path[i])
}
} else {
fmt.Println(parts.Path)
}
}
return nil
}