On 04/09/2014 11:03 PM, Jonathan Dowland wrote:
On Wed, Apr 09, 2014 at 03:12:40PM +0200, Alex Mestiashvili wrote:
|
find . -name "*.png" | parallel -P8 convert -quality 95 {} -geometry 1280
/tmp/{.}.jpg|
Alternatively
find . -name "*.png" -exec convert -quality 95 {} -geometry 1280 /tmp/{}.jpg +
note '+' not '\;' which denotes to run jobs in parallel (here, not specifying
a max concurrency limit)
Nice, thanks for sharing! but according the man page
"Only one instance of `{}' is allowed within the command"
The benefit of parallel over xargs or find is that it is much more
flexible with arguments in {}.
For example in the first convert example png files are converted to jpg.
With xargs the result will look like $file.png.jpg
With parallel one can alter arguments in {}, so the end result will be
$file.jpg
Best,
Alex
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