diff --git a/zshrc b/zshrc
index 60bc5ab..25602d0 100644
--- a/zshrc
+++ b/zshrc
@@ -458,6 +458,48 @@ function tadel() {
 	unset tadel_confirmation tadel_task_id
 }
 ## }}}
+## Mark a task as done {{{
+function tadone() {
+	# Verify argument
+	if [ "${#}" -eq 0 ]; then
+		## If no argument
+		## Ask the user to choose a task description from the last week Timewarrior activities {{{
+		timew summary :week :ids || return 0
+
+		printf '%b' "Enter the ${MAGENTAB}a pattern${RESET} matching the expected task to mark as complete : "
+		read -r tadone_task_regexp
+	else
+		## Merge all args into one var
+		tadone_task_regexp="${*}"
+		## }}}
+	fi
+
+	#printf '%b' "Pattern to search a task is ${REDB}${tadone_task_regexp}${RESET}.\n"
+	local tadone_task_id=$(task "${tadone_task_regexp}" simpleid | grep --after-context=2 -- ID | tail --lines=1 || return 0)
+
+	# If no task with this ID exists, exit function {{{
+	if [ -z "${tadone_task_id}" ]; then
+		printf '%b' "No available task with ${REDB}${tadone_task_regexp}${RESET} pattern."
+		return 1
+	fi
+	# }}}
+
+	# Get task's description
+	local tadone_task_desc=$(task "${tadone_task_id}" | sed -n "s/^Description *\(.*\)/\1/p")
+
+	printf '%b' "Mark the task \"${MAGENTAB}${tadone_task_id} − ${tadone_task_desc}${RESET}\" as done [Y/n] ? "
+	read -r tadone_confirmation
+
+	# Check confirmation
+	if printf -- '%s' "${tadone_confirmation:=y}" | grep --quiet --word-regexp -- "y"; then
+		task "${tadone_task_id}" done
+		printf '%b' "\"${MAGENTAB}${tadone_task_id} − ${tadone_task_desc}${RESET}\" task is now complete."
+	fi
+
+	# Unset defined variables
+	unset tadone_confirmation tadone_task_regexp
+}
+## }}}
 
 ## Completion {{{
 zstyle ':completion:*:*:task:*' verbose yes