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grater: Add -v flag for debug output

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This commit is contained in:
Tamás Gulácsi 2021-02-25 08:32:17 +01:00 committed by Jeremy Jay
parent a459175619
commit 0767bc147e
1 changed files with 6 additions and 2 deletions
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8
cmd/grater/main.go
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@ -2,6 +2,7 @@
package main
import (
"flag"
"fmt"
"os"
"strings"
@ -13,12 +14,15 @@ import (
)
func main() {
if len(os.Args) == 1 {
flagDebug := flag.Bool("v", false, "debug log")
flag.Parse()
if flag.NArg() < 1 {
fmt.Fprintf(os.Stderr, "USAGE: %s [file1.xls file2.xlsx file3.tsv ...]\n", os.Args[0])
fmt.Fprintf(os.Stderr, " Extracts contents of the tabular files to stdout\n")
os.Exit(1)
}
for _, fn := range os.Args[1:] {
grate.Debug = *flagDebug
for _, fn := range flag.Args() {
wb, err := grate.Open(fn)
if err != nil {
fmt.Fprintln(os.Stderr, err)