scripts/tmuxs: more improvements

scripts/tmuxs/helpers.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+function current_session {
+    tty=$(tty)
+    for s in $(tmux list-sessions -F '#{session_name}' 2>/dev/null); do
+        tmux list-panes -F '#{pane_tty} #{session_name}' -t "$s"
+    done | grep "$tty" | awk '{print $2}'
+}
+
+function list_sessions {
+    tmux list-sessions -F "#{session_activity},#{session_id},#{session_name}" \
+        | sort -nr | cut -d, -f2,3 | format_session_string
+}
+
+# Given the input "#{session_id},#{session_name}" from tmux ($7,my_session for example)
+# will output <id>: <name (7: my_session)
+function format_session_string {
+    sed -r 's/^\$([[:digit:]]+),/\1: /'
+}
+
+# Extract the name part from the input (format "<id>: <name>")
+function get_session_name {
+    sed 's/[[:digit:]]\+\:\s//'
+}