57 lines
933 B
Go
57 lines
933 B
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"strings"
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)
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// one file
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type dna struct {
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name string //file name
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count int
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min map[string]string // details
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}
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// 读取fas文件
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// read fas format files
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func fas_parser(file_name string) dna {
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// 读取文件
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f, err := ioutil.ReadFile("./" + file_name)
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if err != nil {
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fmt.Println(err)
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return dna{"", 0, nil}
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}
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count := 0
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//sequence lines amount
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i := 0 // acgt行计数
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//samples amount
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j := -1 // 标题行计数
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seq := make(map[string]string)
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indid := ""
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for k, v := range f {
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switch v {
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case '>':
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j = k + 1
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case '\n':
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if j != -1 {
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indid = string(f[j:k])
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i = k + 1
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j = -1
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continue
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}
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seq[indid] = seq[indid] + strings.ToLower(string(f[i:k]))
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i = k + 1
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}
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}
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count = len(seq[indid])
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// for k1, v1 := range seq {
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// fmt.Println(k1)
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// fmt.Println(v1)
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// }
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// fmt.Println(count)
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return dna{file_name, count, seq}
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}
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