diff --git a/scritps/btrsnp b/scritps/btrsnp
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+#!/bin/sh
+# Create a BTRFS snapshot of a subvolume
+
+# This script is possibly highly specific to my current BTRFS setup and may not
+# work the way you want it to for your system
+
+# My current (2021-09-27) BTRFS is as follows:
+# BTRFS Partition (mounted to /mnt/nvme0n1p2 for easy access to subvolumes)
+#   - gentoo      (mounted either to / or /mnt/gentoo)
+#   - home        (mounted to /home)
+#   - sys-misc    (mounted to /mnt/sys-misc)
+#   - void        (mounted either to / or /mnt/void)
+
+# Snapshots will be saved with the name `SUBVOLUMENAME-$(date +%F-%H_$M_%S)`
+
+[ "$BTRSNP_DEVICE" ] || BTRSNP_DEVICE=$(findmnt -nvo SOURCE /)
+[ "$BTRSNP_READ" ] || BTRSNP_READ=ro
+[ "$BTRSNP_SUBVOL" ] || {
+	BTRSNP_SUBVOL=$(findmnt -no SOURCE /)
+	BTRSNP_SUBVOL=${BTRSNP_SUBVOL##*/}
+	BTRSNP_SUBVOL=${BTRSNP_SUBVOL%]}
+}
+
+usage() {
+	while read -r line
+	do printf '%b\n' "$line"
+	done <<-USAGE
+		usage: ${0##*/} [OPTIONS]
+
+		options:
+		\t-d DEVICE  - select which partition the subvolume is on
+		\t-h         - displays this message
+		\t-r [ro|rw] - determine if the snapshot should be readonly
+		\t-s SUBVOL  - select which subvolume to snapshot
+
+		environment variables:
+		\tBTRSNP_DEVICE - selects which partition the subvolume is on
+		\t                defaults to the root partition
+		\tBTRSNP_READ   - determine if the snapshot should be readonly
+		\t                defaults to \`ro\`
+		\tBTRSNP_SUBVOL - selects which subvolume to snapshot
+		\t                defaults to the subvolume mounted at as /
+	USAGE
+
+	exit "${1:-1}"
+}
+
+msg() {
+	case $1 in
+		e ) printf '%b\n' "${0##*/}: $*" 1>&2 ;;
+		* ) printf '%b\n' "${0##*/}: $*" ;;
+	esac
+}
+
+while [ "$*" ]
+do
+	case $1 in
+		-  ) shift; continue ;;
+		-- ) shift; break ;;
+		-* ) flag=${1#-}; shift ;;
+		*  ) shift; continue ;;
+	esac
+
+	while [ "$flag" ]
+	do
+		arg=${flag%"${flag#?}"}
+
+		case $arg in
+			d ) BTRSNP_DEVICE="$1"; shift ;;
+			h ) usage 0 ;;
+			s ) BTRSNP_SUBVOL="$1"; shift ;;
+			r )
+				[ "$1" ] || BTRSNP_READ="rw" && {
+					case $1 in
+						ro ) BTRSNP_READ="ro" ;;
+						rw ) BTRSNP_READ="rw" ;;
+						*  ) msg e "$1: invalid option argument for -$arg"; usage 1 ;;
+					esac
+					shift
+				}
+			;;
+			* ) msg e "-$arg: invalid argument"; usage 1 ;;
+		esac
+
+		flag=${flag#?}
+	done
+done
+
+# shellcheck disable=SC2015
+[ "$BTRSNP_DEVICE" ] && [ "$BTRSNP_SUBVOL" ] || {
+	msg e "a device and subvolume are required"
+	usage 1
+}
+
+# Look for the raw BTRFS mount in /mnt this may be changeable in the future
+BTRSNP_DEVICE=${BTRSNP_DEVICE##*/}
+if findmnt "/mnt/$BTRSNP_DEVICE" > /dev/null 2>&1
+then btrfs_partition_path=/mnt/$BTRSNP_DEVICE
+else
+	msg e "BTRFS partition is not mounted at /mnt/$BTRSNP_DEVICE"
+	exit 1
+fi
+
+# If I find a more accurate way to check if a directory is a subvolume I will implement it, but for
+# now, just check if it's a directory
+if [ -d "$btrfs_partition_path/$BTRSNP_SUBVOL" ]
+then btrfs_subvolume_path="$btrfs_partition_path/$BTRSNP_SUBVOL"
+else
+	msg e "This is not a BTRFS subvolume"
+	exit 1
+fi
+
+case $BTRSNP_READ in
+	ro ) ro="-r" ;;
+	rw ) ;;
+esac
+
+btrfs subvolume snapshot $ro "$btrfs_subvolume_path" \
+                             "${btrfs_subvolume_path}-$(date +'%F-%H_%M_%S')"