1 files changed, 50 insertions, 0 deletions
diff --git a/atom/tstool.sh b/atom/tstool.sh
new file mode 100755
index 0000000..44ff515
--- /dev/null
+++ b/atom/tstool.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+#FILES=$(ls *.gmi)
+SAVE_EXTENSION='original_time'
+
+show_usage() {
+  echo "Usage: $0 OPTION FILE..."
+  echo "Save or restore the original timestamps of a collection of files."
+  echo
+  echo "  save    - save the original timestamps of files"
+  echo "  restore - restore the original timestamps of files"
+  echo
+}
+
+save_timestamps() {
+  for file in "$@"
+  do
+    touch -amr $file $file.$SAVE_EXTENSION
+    echo "$file timestamps saved to $file.$SAVE_EXTENSION"
+  done
+}
+
+restore_timestamps() {
+  ls *.$SAVE_EXTENSION > /dev/null 2>&1
+  if [[ $? -gt 0 ]]; then
+    echo "error: could not find stored timestamps"
+    exit 1
+  fi
+  for file in $(ls *.$SAVE_EXTENSION)
+  do
+    if [[ ${file::-$((${#SAVE_EXTENSION} + 1))} -nt $file ]]; then
+      touch -amr $file ${file::-$((${#SAVE_EXTENSION} + 1))}
+      echo "${file::-$((${#SAVE_EXTENSION} + 1))} timestamps restored from $file"
+    fi
+    rm $file
+  done
+}
+
+if [[ -z $1 || -z $2 ]]; then
+  show_usage
+else
+  if [[ $1 == "save" ]]; then
+    shift
+    save_timestamps "$@"
+  elif [[ $1 == "restore" ]]; then
+    restore_timestamps
+  else
+    show_usage
+  fi
+fi