osx - Weird Behaviour with New Lines Using grunt-exec -


i using imagemagick , grunt-exec generate favicon website working on using command found in imagemagick documentation. 

convert image.png  -bordercolor white -border 0 \       \( -clone 0 -resize 16x16 \) \       \( -clone 0 -resize 32x32 \) \       \( -clone 0 -resize 48x48 \) \       \( -clone 0 -resize 64x64 \) \       -delete 0 -alpha off -colors 256 favicon.ico

however getting issues line breaks think partially because not understand should line breaks.

in gruntfile.js using no line breaks , works expected. notice had remove line breaks , double escape parentheses because apparently grunt-exec parses string before executes it.

exec: {     favicon: 'convert _favicon.svg -bordercolor white -border 0 \\( -clone 0 -resize 16x16 \\) \\( -clone 0 -resize 32x32 \\) \\( -clone 0 -resize 48x48 \\) \\( -clone 0 -resize 64x64 \\) -delete 0 -alpha off -colors 256 favicon.ico' }

like said, have working right i able use line breaks readability , because understand going on here. far have tried adding \ , leaving same, replacing new lines \n or \\n , putting on same line no luck.

the solution looking turned out to use \n\ new lines, this:

convert image.png  -bordercolor white -border 0 \n\     \( -clone 0 -resize 16x16 \) \n\     \( -clone 0 -resize 32x32 \) \n\     \( -clone 0 -resize 48x48 \) \n\     \( -clone 0 -resize 64x64 \) \n\     -delete 0 -alpha off -colors 256 favicon.ico

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