update zsh configuration files

zsh/custom_rm

@@ -0,0 +1,40 @@
+# redefine rm command
+rm() {
+  # error check
+  [ $# -eq 0 ] && { echo "Files are not set"; return 1 }
+  echo "$@" | grep -qe '-h\|--help' && { echo "Usage: rm FILE..."; return 0 }
+  echo "$@" | grep -q " -" && echo "Warning: this function doesn't support any flags"
+  # set trash path
+  TRASHDIR="$HOME/.local/share/Trash"
+  TRASHFILE="${TRASHDIR}/files"
+  TRASHINFO="${TRASHDIR}/info"
+  for DIRECTORY in "${TRASHDIR}" "${TRASHFILE}" "${TRASHINFO}"; do
+    if [ -e "${DIRECTORY}" ]; then
+      [ -d "${DIRECTORY}" ] || { echo "'${DIRECTORY}' is a file"; return 1 }
+    else
+      mkdir -p -m755 "${DIRECTORY}"
+    fi
+  done
+  # confirm
+  CONFIRM=""
+  echo -n "Do you realy want to remove '$@'? [ny] "; read -k1 CONFIRM; echo
+  [[ ! $CONFIRM =~ [yY] ]] && return 1
+  # move
+  for FILE in "$@"; do
+    DESTFILE="$(basename -- "${FILE}")"
+    SUFFIX='';
+    ITER=0;
+    while [ -e "${TRASHFILE}/${DESTFILE}${SUFFIX}" ]; do
+      SUFFIX="_${ITER}";
+      ITER=$(expr ${ITER} + 1)
+    done
+    echo "Remove '${FILE}'"
+    if [ "$(dirname -- "$(realpath -- "${FILE}")")" == "${TRASHFILE}" ]; then
+      /usr/bin/rm -rf -- "${FILE}"
+      /usr/bin/rm -rf -- "${TRASHINFO}/${DESTFILE}.trashinfo"
+    else
+      mv -- "${FILE}" "${TRASHFILE}/${DESTFILE}${SUFFIX}" || return 1
+      echo "[Trash Info]\nPath=$(realpath -- "${FILE}")\nDeletionDate=$(date +%Y-%m-%dT%H:%M:%S)" > "${TRASHINFO}/${DESTFILE}${SUFFIX}.trashinfo" || return 1
+    fi
+  done
+}