summarise diffs to MAXLINE

1 files changed, 32 insertions, 0 deletions

diff --git a/diff.sh b/diff.sh
new file mode 100755
index 0000000..74fc1af
--- /dev/null
+++ b/diff.sh
@@ -0,0 +1,32 @@
+
+function Differ {
+    MAXFILES=20
+    newArchive=$(borg list :: -P $1 --last 2 --format {name}{NL})
+    diffTmpFile=`mktemp /tmp/borgAutoXXXXX`        #  in /tmp dir
+    borg diff ::$newArchive > $diffTmpFile
+    echo made the difffile $diffTmpFile
+    echo $(wc $diffTmpFile)
+    addFiles=$(grep  '^added' ${diffTmpFile}   | wc -l)
+    echo $addFiles
+    remFiles=$(grep  '^removed' ${diffTmpFile} | wc -l)
+    echo $remFiles
+    totFiles=$(wc -l ${diffTmpFile} | awk '{print $1}')
+    echo $totFiles
+    echo $totFiles $addFiles $remFiles
+    if [ ${totFiles} -eq 0 ]; then
+        echo "No additions or deletions since last backup"
+    elif [ ${totFiles} -gt ${MAXFILES} ]; then
+        #echo $(head ${diffTmpFile})
+        head ${diffTmpFile}
+        
+        midFiles=$(awk -v tot=$totFiles -v max=$MAXFILES 'BEGIN {print tot - max}')
+        echo "   ... ${midFiles} more files changed (Added ${addFiles}, Removed ${remFiles})"
+        tail ${diffTmpFile}
+    else
+        cat ${diffTmpFiles}
+
+    fi    
+    rm ${diffTmpFile}
+}
+
+Differ $1