script that creates checksums for contents of LTO tape

collectionchecksum

@@ -0,0 +1,34 @@
+#!/bin/bash
+#this script will create checksums of metadata files, concatinate checksum.md5 files, and append to one large checksum file for each directory 
+#this script presumes a highly specific directory structure based on CUNY TV's Archival Information Package directory structure. 
+
+_maketemp(){
+    mktemp -q "/tmp/$(basename "${0}").XXXXXX"
+    if [ "${?}" -ne 0 ]; then
+        echo "${0}: Can't create temp file, exiting..."
+        _writeerrorlog "_maketemp" "was unable to create the temp file, so the script had to exit."
+        exit 1
+    fi
+}
+
+while [ "${*}" != "" ] ; do
+    INPUT="${1}"
+    TAPECHECKSUMFILE="${INPUT}/tapechecksum.md5"
+    TEMPCHECKSUMFILE=$(_maketemp)
+    cd "${INPUT}"
+
+    #loop through the directories, find the checksum files, cat them together, and also sed to add the media ids 
+    for CHECKSUMFILES in $(find ${INPUT} -maxdepth 3 -mindepth 3 -type f -iname "checksum.md5"); do 
+        PACKAGE=$(basename $(dirname $(dirname "${CHECKSUMFILES}")))
+        echo "${PACKAGE}"
+        cat "${CHECKSUMFILES}" | sed "s|  ./|  ./${PACKAGE}/|g" >> "${TEMPCHECKSUMFILE}"
+    done
+
+    #create md5 checksums for all of the files in the metadata directory 
+    md5deep -rel ./*/metadata >> "${TEMPCHECKSUMFILE}"
+
+    sort -k2 "${TEMPCHECKSUMFILE}" >> "${TAPECHECKSUMFILE}"
+
+    shift
+done
+