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/*
Sample code to convert an old tasks.gob file to a newer format
This is scrpited and dangerous, keep backups!!!
*/
package main
import (
"encoding/gob"
"fmt"
"os"
"time"
ws "git.spacehb.net/ws.git"
)
func main() {
TasksDoneConv := []ws.TaskDone{}
TasksConv := []ws.Task{}
TagsConv := []ws.Tag{}
// Get old gobdata
f, err := os.Open("tasks.gob")
if err != nil {
panic(err)
}
dec := gob.NewDecoder(f)
// old data format
Tasks := []string{}
TasksDone := []struct {
Text string
Date time.Time
}{}
err = dec.Decode(&TasksDone)
if err != nil {
panic(err)
}
err = dec.Decode(&Tasks)
if err != nil {
panic(err)
}
// Get current gobdata
f, err = os.Open(ws.GetGobdataPath())
if err != nil {
panic(err)
}
dec = gob.NewDecoder(f)
err = dec.Decode(&TasksConv)
if err != nil {
panic(err)
}
err = dec.Decode(&TasksDoneConv)
if err != nil {
panic(err)
}
err = dec.Decode(&TagsConv)
if err != nil {
panic(err)
}
for _, v := range Tasks {
start := false
var tag []byte
var text []byte
for i := 0; i < len(v); i++ {
if v[i] == '{' {
start = true
i++
}
if v[i] == '}' {
start = false
i++
}
if start == true {
tag = append(tag, v[i])
}
if start == false {
text = append(text, v[i])
}
}
tagstr := ws.Tag(tag)
if len(TagsConv) == 0 {
TagsConv = append(TagsConv, tagstr)
}
found := false
for _, v := range TagsConv {
if tagstr == v {
found = true
break
}
}
if !found {
TagsConv = append(TagsConv, ws.Tag(tag))
}
textstr := string(text[1:])
TasksConv = append(TasksConv, ws.Task{Text: textstr, Tag: tagstr})
// fmt.Printf("tag: '%s' | text: '%s'\n", tag, text)
}
fmt.Printf("TagsConv: %#v\n", TagsConv)
for i, v := range TasksConv {
fmt.Printf("%2d. %s\n", i+1, v)
}
// Save data to gobdata
f, err = os.Create(ws.GetGobdataPath())
if err != nil {
panic(err)
}
enc := gob.NewEncoder(f)
err = enc.Encode(TasksConv)
if err != nil {
panic(err)
}
err = enc.Encode(TasksDoneConv)
if err != nil {
panic(err)
}
err = enc.Encode(TagsConv)
if err != nil {
panic(err)
}
}
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