Created
April 26, 2024 04:43
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Create a RAM disk on macOS.
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| #!/bin/bash | |
| set -euxo pipefail | |
| MB=100 | |
| NUMSECTORS=$((MB * 1024 * 1024 / 512)) # A sector is 512 bytes. | |
| # "hdiutil attach" outputs extra spaces/tabs. They must be removed. | |
| MYDEV="$(hdiutil attach -nomount "ram://$NUMSECTORS" | sed 's/[ \t]*$//')" | |
| diskutil eraseVolume APFS "ramdisk-${MB}mb" "$MYDEV" |
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