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gofmt and add option to print file name

This commit is contained in:
dave 2024-01-21 11:34:28 -08:00
parent 170b23f5ec
commit dc5d58bf87
1 changed files with 6 additions and 5 deletions
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11
main.go
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@ -2,21 +2,22 @@
package main
import (
"encoding/binary"
"flag"
"fmt"
"hash"
"hash/crc32"
"hash/crc64"
"encoding/binary"
"io"
"os"
)
func main() {
mode := flag.String("mode", "crc32",
"CRC method to use. Valid values are 'crc32' (IEEE), 'crc64-iso', and 'crc64-ecma'")
mode := flag.String("mode", "crc32", "CRC method to use. Valid values are 'crc32' (IEEE), 'crc64-iso', and 'crc64-ecma'")
printName := flag.Bool("p", false, "Print the file name along with the checksum")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s [-mode=<MODE>] file [file ...]\n", os.Args[0])
fmt.Fprintf(os.Stderr, "Usage: %s [-mode=<MODE>] [-p] file [file ...]\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
@ -49,7 +50,7 @@ func main() {
continue
}
if flag.NArg() == 1 {
if flag.NArg() == 1 && !*printName {
fmt.Printf("%0*d\n", hasher.Size(), binary.BigEndian.Uint32(hasher.Sum(nil)))
} else {
fmt.Printf("%0*d\t%s\n", hasher.Size(), binary.BigEndian.Uint32(hasher.Sum(nil)), filename)