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Update flags
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parent
3a09a2e666
commit
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12
goptimize.go
12
goptimize.go
@ -154,7 +154,7 @@ func Goptimize(file string) {
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// calculate saved percent
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savedPercent := 100 - math.Round(float64(dstSize)/float64(srcSize)*100)
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if dstSize < srcSize {
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if savedPercent > 0 {
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// (over)write the file - not all filesystems support
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// cross-filesystem moving so we overwrite the original
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out, err := os.Create(dstFile)
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@ -170,14 +170,14 @@ func Goptimize(file string) {
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return
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}
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if !skipPreserveModTimes {
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if preserveModificationTimes {
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// transfer original modification times
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if err := os.Chtimes(dstFile, atime, mtime); err != nil {
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fmt.Printf("Error setting file timestamp: %v\n", err)
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}
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}
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fmt.Printf("Goptimized %s (%dx%d %s->%s %v%%)\n", dstFile, resultW, resultH, ByteCountSI(srcSize), ByteCountSI(dstSize), savedPercent)
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fmt.Printf("Goptimized %s (%dx%d %s > %s %v%%)\n", dstFile, resultW, resultH, ByteCountSI(srcSize), ByteCountSI(dstSize), savedPercent)
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} else {
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// If the output directory is not the same,
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// then write a copy of the original file
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@ -199,17 +199,17 @@ func Goptimize(file string) {
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return
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}
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if !skipPreserveModTimes {
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if preserveModificationTimes {
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// transfer original modification times
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if err := os.Chtimes(dstFile, atime, mtime); err != nil {
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fmt.Printf("Error setting file timestamp: %v\n", err)
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}
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}
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fmt.Printf("Copied %s (%dx%d %s->%s %v%%)\n", dstFile, srcW, srcH, ByteCountSI(srcSize), ByteCountSI(srcSize), 0)
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fmt.Printf("Copied %s (%dx%d %s %v%%)\n", dstFile, srcW, srcH, ByteCountSI(srcSize), 0)
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} else {
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// we didn't actually change anything
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fmt.Printf("Skipped %s (%dx%d %s->%s %v%%)\n", dstFile, srcW, srcH, ByteCountSI(srcSize), ByteCountSI(srcSize), 0)
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fmt.Printf("Skipped %s (%dx%d %s %v%%)\n", dstFile, srcW, srcH, ByteCountSI(srcSize), 0)
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}
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}
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27
main.go
27
main.go
@ -10,26 +10,27 @@ import (
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)
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var (
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quality int
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maxWidth int
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maxHeight int
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outputDir string
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skipPreserveModTimes bool
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jpegoptim string
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jpegtran string
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optipng string
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pngquant string
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gifsicle string
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quality int
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maxWidth int
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maxHeight int
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outputDir string
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preserveModificationTimes bool
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jpegoptim string
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jpegtran string
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optipng string
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pngquant string
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gifsicle string
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)
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func main() {
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// set the default help
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flag.Usage = func() {
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fmt.Println("Goptimize - Resample optimized images")
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fmt.Println("Goptimize - downscales and optimizes existing images")
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fmt.Printf("\nUsage: %s [options] <images>\n", os.Args[0])
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fmt.Println("\nOptions:")
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flag.PrintDefaults()
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fmt.Println("\nExamples:")
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fmt.Printf(" %s image.png\n", os.Args[0])
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fmt.Printf(" %s -m 800x800 *.jpg\n", os.Args[0])
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fmt.Printf(" %s -o out/ -q 90 -m 1600x1600 *.jpg\n", os.Args[0])
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@ -46,8 +47,8 @@ func main() {
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flag.IntVar(&quality, "q", 75, "Quality - JPEG only")
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flag.StringVar(&outputDir, "o", "", "Output directory (default overwrites original)")
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flag.BoolVar(&skipPreserveModTimes, "n", false, "Do not preserve file modification times")
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flag.StringVar(&maxSizes, "m", "", "Scale down to a maximum width & height. Format must be <width>x<height>.")
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flag.BoolVar(&preserveModificationTimes, "p", true, "Preserve file modification times")
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flag.StringVar(&maxSizes, "m", "", "Downscale to a maximum width & height in pixels (<width>x<height>)")
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// third-party optimizers
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flag.StringVar(&gifsicle, "gifsicle", "gifsicle", "gifsicle binary")
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