53 lines
965 B
Go
53 lines
965 B
Go
package main
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import (
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"bufio"
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"errors"
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"flag"
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"io"
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"os"
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)
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var (
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columnDelimiter string
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pageDelimiter string
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minimumInstances int
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)
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func main() {
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flag.StringVar(&pageDelimiter, "p", "\f", "page delimiter character")
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flag.StringVar(&columnDelimiter, "d", " ", "column delimiter character")
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flag.IntVar(&minimumInstances, "m", 2, "minimum non-leading instances of delimiter to break a column")
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flag.Parse()
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r := bufio.NewReader(os.Stdin)
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for {
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b, err := readPage(r)
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if err != nil && err != io.EOF {
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panic(err)
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}
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if err := putPage(b); err != nil {
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panic(err)
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}
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if err == io.EOF {
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break
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}
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}
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}
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func readPage(r *bufio.Reader) ([]byte, error) {
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return _readPage([]byte(pageDelimiter)[0], r)
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}
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func _readPage(d byte, r *bufio.Reader) ([]byte, error) {
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b, err := r.ReadBytes(d)
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if len(b) > 0 && byte(b[len(b)-1]) == d {
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b = b[:len(b)-1]
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}
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return b, err
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}
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func putPage(b []byte) error {
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return errors.New("not impl")
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}
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