added prompt segment for todo.txt task number

README.md

@@ -85,6 +85,7 @@ The segments that are currently available are:
 * [symphony2_tests](#symphony2_tests) - Show a ratio of test classes vs code classes for Symfony2.
 * **symphony2_version** - Show the current Symfony2 version, if you are in a Symfony2-Project dir.
 * [time](#time) - System time.
+* [todo.txt](http://todotxt.com/) - Shows the number of tasks in your todo.txt tasks file.
 * [vi_mode](#vi_mode)- Vi editing mode (NORMAL|INSERT).
 * **virtualenv** - Your Python [VirtualEnv](https://virtualenv.pypa.io/en/latest/).
 * [vcs](#vcs) - Information about this `git` or `hg` repository (if you are in one).

powerlevel9k.zsh-theme

@@ -45,6 +45,7 @@ case $POWERLEVEL9K_MODE in
       AWS_ICON                       $'\UE895'              # 
       BACKGROUND_JOBS_ICON           $'\UE82F '             # 
       TEST_ICON                      $'\UE891'              # 
+      TODO_ICON                      $'\U2611'              # ☑
       OK_ICON                        $'\U2713'              # ✓
       FAIL_ICON                      $'\U2718'              # ✘
       SYMFONY_ICON                   'SF'
@@ -93,6 +94,7 @@ case $POWERLEVEL9K_MODE in
       AWS_ICON                       $'\UF296'              # 
       BACKGROUND_JOBS_ICON           $'\UF013 '             # 
       TEST_ICON                      $'\UF291'              # 
+      TODO_ICON                      $'\U2611'              # ☑
       OK_ICON                        $'\UF23A'              # 
       FAIL_ICON                      $'\UF281'              # 
       SYMFONY_ICON                   'SF'
@@ -136,6 +138,7 @@ case $POWERLEVEL9K_MODE in
       AWS_ICON                       'AWS:'
       BACKGROUND_JOBS_ICON           $'\u2699'              # ⚙
       TEST_ICON                      ''
+      TODO_ICON                      $'\U2611'              # ☑
       OK_ICON                        $'\u2713'              # ✓
       FAIL_ICON                      $'\u2718'              # ✘
       SYMFONY_ICON                   'SF'
@@ -849,6 +852,16 @@ prompt_time() {
   "$1_prompt_segment" "$0" "$DEFAULT_COLOR_INVERTED" "$DEFAULT_COLOR" "$time_format"
 }
 
+# todo.sh: shows the number of tasks in your todo.sh file
+prompt_todo() {
+  if $(hash todo.sh 2>&-); then
+    count=$(todo.sh ls | egrep "TODO: [0-9]+ of ([0-9]+) tasks shown" | awk '{ print $4 }')
+    if [[ "$count" = <-> ]]; then
+      "$1_prompt_segment" "$0" "244" "$DEFAULT_COLOR" "$(print_icon 'TODO_ICON') $count"
+    fi
+  fi
+}
+
 # Vi Mode: show editing mode (NORMAL|INSERT)
 prompt_vi_mode() {
   case ${KEYMAP} in