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gulp errors #2

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joepagan opened this Issue Oct 5, 2016 · 1 comment

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@joepagan

joepagan commented Oct 5, 2016

Hey,

I'm trying to use this with gulp, but I seems to get this error:

[22:01:45] Using gulpfile ~/Documents/sites/website.com/gulpfile.js
[22:01:45] Starting 'minify-pngs'...
events.js:141
      throw er; // Unhandled 'error' event
      ^

Error: Too many filenames specified on cmdline
PNGOUT [In:{PNG,JPG,GIF,TGA,PCX,BMP}] (Out:PNG) (options...)        Feb 21 2013
by Ken Silverman (http://advsys.net/ken)
Mac port assistance by Jonathon Fowler (http://www.jonof.id.au/pngout)
PNGOUT optimizes PNG size losslessly using my own deflate algorithm (not Zlib)
With the right options, it can often beat other programs by 5-10%. Options:
   -c# PNG output color: 0=Gray, 2=RGB, 3=Pal, 4=Gray+Alpha, 6=RGB+Alpha
   -f# PNG output filter: 0=none, 1=�x, 2=�y, 3=�x&y, 4=Paeth, 5=mixed, 6=reuse
   -d# Override default bitdepth: 0(min),1,2,4,8 (valid only in /c0,/c3 modes)
   -s# Select strategy. 0:Xtreme(default), 1:Intense, 2:Longest Match,
       3:Huffman Only, 4:Uncompressed
   -b# Block split threshold (lower=more blocks, 0=1 block/file, default=256)
       Use trial&error! Suggested values to try are: 0,128,192,256,512,1024,..
   -n# Exact number of Huffman blocks (overrides /b#)
   -r  Randomized initial tables (good for many trials with same options)
   -k? 0=Remove optional chunks (default), 1=Keep all
       p=Keep palette indices, s=Keep settings for /c,f,d,b
   -k(Chunk,Chunk,..) Preserve only named chunk(s). Example: -kgAMA,bKGD,tEXt
   -v,q,l Verbose,Quiet,List mode (use '-' as filename to specify stdin/stdout)
   -y  Assume Yes at the 'overwrite file?' prompt
   -force  Write file even if bigger.
   -mincodes#  Workaround for buggy decoders. 1:Zlib 1.2.1 bug, 2:buggy mobiles
The 1st filename is the input. If you omit the output
filename, PNGOUT will use the same filename with a .PNG extension. Examples:
   $ pngout inlarge.bmp outsmall.png           <- writes outsmall.png
   $ pngout duke3d.png -c2 -f3 -b128 -kbKGD -v <- writes duke3d.png if smaller

    at ChildProcess.<anonymous> (/Users/username/Documents/sites/website.com/node_modules/imagemin-pngout/index.js:60:8)
    at emitTwo (events.js:87:13)
    at ChildProcess.emit (events.js:172:7)
    at maybeClose (internal/child_process.js:817:16)
    at Socket.<anonymous> (internal/child_process.js:319:11)
    at emitOne (events.js:77:13)
    at Socket.emit (events.js:169:7)
    at Pipe._onclose (net.js:469:12)

Here is an example of my gulpfile tasks:

gulp.task("minify-pngs", function(){
    return gulp.src(paths.images+"/**/*.png")
    .pipe(imageminPngout({strategy: 1})())
    .pipe(gulp.dest("./images"));
});

As you can see it seems to suggest there are "Too many filenames specified on cmdline", but, the files at the destination paths.images+"/**/*.png" there are only 2 files, 1 jpg and 1 png.

Do you know if there is anything I can do?

@joepagan

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joepagan commented Oct 6, 2016

According to this post http://stackoverflow.com/questions/38001293/gulp-imagemin-not-using-plugins-option the imagemin options "use" and "plugins" are now obsolete, and the correct way to use plugins with it is like this:

.pipe(imagemin([
    imageminPngout({
        strategy: 1
    })
]))

But I still get a bunch of errors with this method:

/Users/username/sites/website.com/node_modules/imagemin/index.js:66
    return pipe.then(buf => buf.length < input.length ? buf : input);
                ^

TypeError: pipe.then is not a function
    at Function.module.exports.buffer (/Users/username/sites/website.com/node_modules/imagemin/index.js:66:14)
    at DestroyableTransform.through.obj (/Users/username/sites/website.com/node_modules/gulp-imagemin/index.js:58:12)
    at DestroyableTransform._transform (/Users/username/sites/website.com/node_modules/through2-concurrent/through2-concurrent.js:30:15)
    at DestroyableTransform.Transform._read (/Users/username/sites/website.com/node_modules/through2-concurrent/node_modules/readable-stream/lib/_stream_transform.js:159:10)
    at DestroyableTransform.Transform._write (/Users/username/sites/website.com/node_modules/through2-concurrent/node_modules/readable-stream/lib/_stream_transform.js:147:83)
    at doWrite (/Users/username/sites/website.com/node_modules/through2-concurrent/node_modules/readable-stream/lib/_stream_writable.js:313:64)
    at writeOrBuffer (/Users/username/sites/website.com/node_modules/through2-concurrent/node_modules/readable-stream/lib/_stream_writable.js:302:5)
    at DestroyableTransform.Writable.write (/Users/username/sites/website.com/node_modules/through2-concurrent/node_modules/readable-stream/lib/_stream_writable.js:241:11)
    at write (/Users/username/sites/website.com/node_modules/through2/node_modules/readable-stream/lib/_stream_readable.js:623:24)
    at flow (/Users/username/sites/website.com/node_modules/through2/node_modules/readable-stream/lib/_stream_readable.js:632:7)
Joes-iMac:website.com username$
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