tmux variables

gistfile1.txt

The following variables are available, where appropriate:
.Bl -column "XXXXXXXXXXXXXXXXXXX" "XXXXX"
.It Sy "Variable name" Ta Sy "Alias" Ta Sy "Replaced with"
.It Li "alternate_on" Ta "" Ta "If pane is in alternate screen"
.It Li "alternate_saved_x" Ta "" Ta "Saved cursor X in alternate screen"
.It Li "alternate_saved_y" Ta "" Ta "Saved cursor Y in alternate screen"
.It Li "buffer_name" Ta "" Ta "Name of buffer"
.It Li "buffer_sample" Ta "" Ta "Sample of start of buffer"
.It Li "buffer_size" Ta "" Ta "Size of the specified buffer in bytes"
.It Li "client_activity" Ta "" Ta "Integer time client last had activity"
.It Li "client_created" Ta "" Ta "Integer time client created"
.It Li "client_control_mode" Ta "" Ta "1 if client is in control mode"
.It Li "client_height" Ta "" Ta "Height of client"
.It Li "client_key_table" Ta "" Ta "Current key table"
.It Li "client_last_session" Ta "" Ta "Name of the client's last session"
.It Li "client_pid" Ta "" Ta "PID of client process"
.It Li "client_prefix" Ta "" Ta "1 if prefix key has been pressed"
.It Li "client_readonly" Ta "" Ta "1 if client is readonly"
.It Li "client_session" Ta "" Ta "Name of the client's session"
.It Li "client_termname" Ta "" Ta "Terminal name of client"
.It Li "client_termtype" Ta "" Ta "Terminal type of client"
.It Li "client_tty" Ta "" Ta "Pseudo terminal of client"
.It Li "client_utf8" Ta "" Ta "1 if client supports utf8"
.It Li "client_width" Ta "" Ta "Width of client"
.It Li "command" Ta "" Ta "Name of command in use, if any"
.It Li "command_list_name" Ta "" Ta "Command name if listing commands"
.It Li "command_list_alias" Ta "" Ta "Command alias if listing commands"
.It Li "command_list_usage" Ta "" Ta "Command usage if listing commands"
.It Li "cursor_flag" Ta "" Ta "Pane cursor flag"
.It Li "cursor_x" Ta "" Ta "Cursor X position in pane"
.It Li "cursor_y" Ta "" Ta "Cursor Y position in pane"
.It Li "history_bytes" Ta "" Ta "Number of bytes in window history"
.It Li "history_limit" Ta "" Ta "Maximum window history lines"
.It Li "history_size" Ta "" Ta "Size of history in bytes"
.It Li "hook" Ta "" Ta "Name of running hook, if any"
.It Li "hook_pane" Ta "" Ta "ID of pane where hook was run, if any"
.It Li "hook_session" Ta "" Ta "ID of session where hook was run, if any"
.It Li "hook_session_name" Ta "" Ta "Name of session where hook was run, if any"
.It Li "hook_window" Ta "" Ta "ID of window where hook was run, if any"
.It Li "hook_window_name" Ta "" Ta "Name of window where hook was run, if any"
.It Li "host" Ta "#H" Ta "Hostname of local host"
.It Li "host_short" Ta "#h" Ta "Hostname of local host (no domain name)"
.It Li "insert_flag" Ta "" Ta "Pane insert flag"
.It Li "keypad_cursor_flag" Ta "" Ta "Pane keypad cursor flag"
.It Li "keypad_flag" Ta "" Ta "Pane keypad flag"
.It Li "line" Ta "" Ta "Line number in the list"
.It Li "mouse_any_flag" Ta "" Ta "Pane mouse any flag"
.It Li "mouse_button_flag" Ta "" Ta "Pane mouse button flag"
.It Li "mouse_standard_flag" Ta "" Ta "Pane mouse standard flag"
.It Li "pane_active" Ta "" Ta "1 if active pane"
.It Li "pane_bottom" Ta "" Ta "Bottom of pane"
.It Li "pane_current_command" Ta "" Ta "Current command if available"
.It Li "pane_current_path" Ta "" Ta "Current path if available"
.It Li "pane_dead" Ta "" Ta "1 if pane is dead"
.It Li "pane_dead_status" Ta "" Ta "Exit status of process in dead pane"
.It Li "pane_height" Ta "" Ta "Height of pane"
.It Li "pane_id" Ta "#D" Ta "Unique pane ID"
.It Li "pane_in_mode" Ta "" Ta "If pane is in a mode"
.It Li "pane_input_off" Ta "" Ta "If input to pane is disabled"
.It Li "pane_index" Ta "#P" Ta "Index of pane"
.It Li "pane_left" Ta "" Ta "Left of pane"
.It Li "pane_pid" Ta "" Ta "PID of first process in pane"
.It Li "pane_right" Ta "" Ta "Right of pane"
.It Li "pane_start_command" Ta "" Ta "Command pane started with"
.It Li "pane_synchronized" Ta "" Ta "If pane is synchronized"
.It Li "pane_tabs" Ta "" Ta "Pane tab positions"
.It Li "pane_title" Ta "#T" Ta "Title of pane"
.It Li "pane_top" Ta "" Ta "Top of pane"
.It Li "pane_tty" Ta "" Ta "Pseudo terminal of pane"
.It Li "pane_width" Ta "" Ta "Width of pane"
.It Li "pid" Ta ""  Ta "Server PID"
.It Li "scroll_region_lower" Ta "" Ta "Bottom of scroll region in pane"
.It Li "scroll_region_upper" Ta "" Ta "Top of scroll region in pane"
.It Li "scroll_position" Ta "" Ta "Scroll position in copy mode"
.It Li "session_alerts" Ta "" Ta "List of window indexes with alerts"
.It Li "session_attached" Ta "" Ta "Number of clients session is attached to"
.It Li "session_activity" Ta "" Ta "Integer time of session last activity"
.It Li "session_created" Ta "" Ta "Integer time session created"
.It Li "session_last_attached" Ta "" Ta "Integer time session last attached"
.It Li "session_group" Ta "" Ta "Number of session group"
.It Li "session_grouped" Ta "" Ta "1 if session in a group"
.It Li "session_height" Ta "" Ta "Height of session"
.It Li "session_id" Ta "" Ta "Unique session ID"
.It Li "session_many_attached" Ta "" Ta "1 if multiple clients attached"
.It Li "session_name" Ta "#S" Ta "Name of session"
.It Li "session_width" Ta "" Ta "Width of session"
.It Li "session_windows" Ta "" Ta "Number of windows in session"
.It Li "socket_path" Ta "" Ta "Server socket path"
.It Li "start_time" Ta "" Ta "Server start time"
.It Li "version" Ta "" Ta "Server version"
.It Li "window_activity" Ta "" Ta "Integer time of window last activity"
.It Li "window_activity_flag" Ta "" Ta "1 if window has activity"
.It Li "window_active" Ta "" Ta "1 if window active"
.It Li "window_bell_flag" Ta "" Ta "1 if window has bell"
.It Li "window_find_matches" Ta "" Ta "Matched data from the find-window"
.It Li "window_flags" Ta "#F" Ta "Window flags"
.It Li "window_height" Ta "" Ta "Height of window"
.It Li "window_id" Ta "" Ta "Unique window ID"
.It Li "window_index" Ta "#I" Ta "Index of window"
.It Li "window_last_flag" Ta "" Ta "1 if window is the last used"
.It Li "window_layout" Ta "" Ta "Window layout description, ignoring zoomed window panes"
.It Li "window_linked" Ta "" Ta "1 if window is linked across sessions"
.It Li "window_name" Ta "#W" Ta "Name of window"
.It Li "window_panes" Ta "" Ta "Number of panes in window"
.It Li "window_silence_flag" Ta "" Ta "1 if window has silence alert"
.It Li "window_visible_layout" Ta "" Ta "Window layout description, respecting zoomed window panes"
.It Li "window_width" Ta "" Ta "Width of window"
.It Li "window_zoomed_flag" Ta "" Ta "1 if window is zoomed"
.It Li "wrap_flag" Ta "" Ta "Pane wrap flag"