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# utility-format-usb.sh
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Partition and format any USB device using **exFAT** filesystem.
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## Description
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The scripts partitions and formats any USB device using **exFAT** filesystem. To avoid accidental format of non removable devices a couple of safeguards exist.
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The script will check if the supplied device is valid then it checks if the device is in fact a removable device. If any of these checks fail the script aborts.
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The script will ask for user confirmation twice and default to abort on <kbd>Enter</kbd>
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## Use case
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Re-purpose the USB stick if you have flashed an ISO to it.
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Why? Because writing an ISO using `dd` writes an ISO9660 filesystem to a small part of the USB - the rest is inaccessible.
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## Instructions
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Create the folder **~/.local/bin** and copy the file `format-usb.sh` into the folder, then make sure the file is executable.
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```
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mkdir -p ~/.local/bin
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chmod +x ~/.local/bin/format-usb.sh
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```
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## Usage
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Remove your USB if attached and list devices
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lsblk
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Insert your USB device and list the devices
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lsblk
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The new device in the list is your USB device e.g. /dev/sdy - format the device using the script
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format-usb.sh /dev/sdy
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## Note
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What this script does can probably be done in numerous ways with numerous tools.
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The **list contains** validation is taken from this [stackoverflow topic][1]
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