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Add file modification time #5

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8d2e41a
Add file modification time
sethwklein Dec 6, 2013
2168974
Pass only nsec to time.Unix
sethwklein Jan 16, 2014
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2 changes: 1 addition & 1 deletion README.mkd
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Original file line number Diff line number Diff line change
Expand Up @@ -6,4 +6,4 @@ Converts binary files to go source code.
Usage
-----

bin2go [-p <package name>] [-l <bytes per line>] [-c] [-a] [-s <single_file.go>] <file 1> <file 2> ...
bin2go [-p <package name>] [-l <bytes per line>] [-c] [-a] [-m] [-s <single_file.go>] <file 1> <file 2> ...
23 changes: 18 additions & 5 deletions bin2go.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,11 @@ var (
lineLen = flag.Int("l", 8, "Line length")
comment = flag.Bool("c", false, "Line comments")
useArray = flag.Bool("a", false, "Use slice ([]byte) instead of array ([...]byte)")
modTime = flag.Bool("m", false, "Add modification time")
single = flag.String("s", "", "Single output filename")
)

func bin2go(ifile, pkgName, bufName string, ofi *os.File, line int, comment, useArray, useSingle bool) error {
func bin2go(ifile, pkgName, bufName string, ofi *os.File, line int, comment, useArray, modTime, useSingle bool) error {
ifi, err := os.Open(ifile)
if err != nil {
return err
Expand All @@ -57,7 +58,16 @@ func bin2go(ifile, pkgName, bufName string, ofi *os.File, line int, comment, use
}

if !useSingle {
writeHeader(ofi)
writeHeader(ofi, modTime)
}

if modTime {
info, err := ifi.Stat()
if err != nil {
return err
}
mod := info.ModTime()
fmt.Fprintf(ofi, "\nvar %sMod = time.Unix(0, %d)", bufName, mod.UnixNano())
}

fmt.Fprintf(ofi, "\nvar %s = [%s]byte{\n", bufName, size)
Expand Down Expand Up @@ -127,7 +137,7 @@ func main() {
}
defer ofi.Close()

writeHeader(ofi)
writeHeader(ofi, *modTime)
}

for _, fileName := range flag.Args() {
Expand All @@ -138,11 +148,14 @@ func main() {
defer ofi.Close()
}

bin2go(fileName, *pkgName, camelCase(fileName), ofi, *lineLen, *comment, *useArray, useSingle)
bin2go(fileName, *pkgName, camelCase(fileName), ofi, *lineLen, *comment, *useArray, *modTime, useSingle)
}
}

func writeHeader(f *os.File) {
func writeHeader(f *os.File, modTime bool) {
fmt.Fprintf(f, "// Automatically generated with bin2go: http://github.com/chsc/bin2go\n\n")
fmt.Fprintf(f, "package %s\n", *pkgName)
if modTime {
fmt.Fprint(f, "\nimport \"time\"\n")
}
}