re-prepareLTO

#!/usr/bin/env bash

# a script to create a manifest of contents on an LTO tape, copy it to the tape and then copy it to a specified adtional folder

### CONSTANTS

biwhite=$(tput bold)$(tput setaf 7)
bired=$(tput bold)$(tput setaf 1)
color_off=$(tput sgr0)
today=$(date +"%Y%m%d")

### FUNCTIONS

prepareLTO ()

{
	drive="$1"
	target="${drive%/}" #strip the trailing /, if any
	target="${target##*/}" #name $target as the basename of $drive
	lto="/Volumes/UtilitySAN/LTO_write/"
	ulto="/Volumes/UtilitySAN/LTO_write/$target/"
	ultotxt="/Volumes/UtilitySAN/LTO_write/$target/$target"_checksums.txt
	folder="/Volumes/nmaahc-borndigital/07_LTO_filemetadata/"
	chksumfolder="/Volumes/UtilitySAN/08_LTO_indexes/readback_checksums/"

	if [ -d "$drive" ] ; then
		#delete .DS_Store from $drive
		echo
		printf "%sfinding .DS_Store on %s and deleting%s\n" "$biwhite" "$target" "$color_off"
	 	find "$drive" -name ".DS_Store" -exec rm -vfr {} \;
		echo
		#delete filemetadata from $drive
		printf "%sdeleting %s filemetadata from %s%s\n" "$biwhite" "$target" "$drive" "$color_off"
		rm -vfr "$drive/$target"_filemetadata
		echo
		#copy checksum file from $drive
		if [ ! -d "$ulto" ] ; then
			printf "%s%s does not exist. Creating %s%s\n" "$biwhite" "$ulto" "$ulto" "$color_off"
			mkdir -pv "$ulto"
		fi
		printf "%scopying checksum file from %s to %s%s\n" "$biwhite" "$target" "$ulto" "$color_off"
		cp -v "$drive/$target/"*.txt "$ulto"
		echo
		#delete checksum file from $drive
		printf "%sdeleting checksum file from %s%s\n" "$biwhite" "$target" "$color_off"
		rm -vrf "$drive/$target/"*.txt
		echo
	else
		printf "%s%s does not exist. Exiting.%s\n" "$bired" "$drive" "$color_off"
		exit
	fi
	#delete the old filemetatdata folder in $folder
	printf "%sdeleting old %s filemetatdata folder in %s%s\n" "$biwhite" "$target" "$folder" "$color_off"
	find "$folder" -name "$target"* -exec rm -vrf {} \;
	echo
	#delete old readbackchecksum file in $chksumfolder
	printf "%sdeleting old %s readbackchecksum file in %s%s\n" "$biwhite" "$target" "$chksumfolder" "$color_off"
	find "$chksumfolder" -name "$target"* -exec rm -vf {} \;
	echo
	#combine checksum files in $ulto into one file and sort
	#mv -vi /Volumes/UtilitySAN/LTO/LTO/* "$ulto"
	echo
	printf "%s%s is now ready to write to.%s\n" "$biwhite" "$target" "$color_off"
	read -e -p "type "write" and press return if you would like to now write $ulto to $drive. Press any other key to exit program >> "

	if [[ "$REPLY" == "write" ]] ; then
		find "$ulto" -name ".*" -exec rm -vfr {} \;
		find "$ulto" -name "*.md5" -exec cat {} >> "$ulto"/*.txt \;
		sort -k 2 -o "$ultotxt" "$ultotxt"
		time writelto -v -e N -t "$target" "$lto"
	else
		echo
		echo "Exiting program."
		exit 1
	fi
}

#call the function(s)

prepareLTO "$@"

exit "$?"