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Create ramdisk on OS X (run as root), eject disk in GUI to remove
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| #!/bin/sh -eu | |
| NUMSECTORS=$(($1*1024*1024/512)) | |
| MYDEV=$(hdiutil attach -nomount ram://$NUMSECTORS) | |
| diskutil eraseVolume HFS+ "ramdisk-${1}mb" $MYDEV |
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Run specifying disk size in megabytes as first argument.