69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"flag"
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"path"
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"os"
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"os/user"
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"io"
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"io/ioutil"
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"bufio"
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"strings"
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)
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func main() {
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flag.Parse()
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switch flag.Arg(0) {
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case "set":
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err := SetVenture(flag.Args()[1:])
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if err != nil {
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fmt.Fprintf(os.Stderr, "Could not set: %v", err)
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}
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default:
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fmt.Printf("Usage:\n\t%v set\n", os.Args[0])
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flag.PrintDefaults()
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}
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}
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// SetVenture sets the curent user's venture, either by reading the value from the command line or by prompting the user to input it interactively.
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func SetVenture(args []string) error {
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curUser, err := user.Current()
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if err != nil {
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return err
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}
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// User status is written to ~/.venture
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outputPath := path.Join(curUser.HomeDir, ".venture")
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// Prompt user for input
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fmt.Printf("What's ~%v been up to?\n~%v", curUser.Username, curUser.Username)
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reader := bufio.NewReader(os.Stdin)
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input, err := reader.ReadString('\n')
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if err != nil && err != io.EOF {
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return err
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}
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// Remove file on blank input
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if strings.TrimSpace(input) == "" {
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err = os.Remove(outputPath)
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// File already pre-non-existing is considered success.
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if os.IsNotExist(err) {
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return nil
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} else if err != nil {
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return err
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}
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return nil
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}
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// Prepend status with user's name
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input = "~"+curUser.Username+input
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// Write file and create if it doesn't exist as world-readable.
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err = ioutil.WriteFile(outputPath, []byte(input), 0644)
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if err != nil {
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return err
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}
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return nil
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} |