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March 20, 2018 21:33
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`run-parallel` with slices in Elvish
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| files = [ "file-"(range 100) ] | |
| fn slice-indices [num inc]{ | |
| range $num &step=$inc | each [x]{ put $x':'(+ $x $inc) } | |
| } | |
| fn slices [list inc]{ | |
| put $list[(slice-indices (count $list) $inc)] | |
| } | |
| slices $files 5 | each [slice]{ | |
| put [ | |
| (each [f]{ | |
| put { echo "Processing "$f; sleep (randint 0 4) } | |
| } $slice) | |
| ] | |
| } | each [fnslice]{ run-parallel $@fnslice } |
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