This script search for all the lines beginning with '- [X] ' in all the files in a directory, where [X] could be [ ]/[-]/[-]

checklist.fish

#!/opt/local/bin/fish
##########################################
# requires ag installed, optionally could 
# be adapted to grep for a fewfiles
##########################################
# This script search for all the lines beginning with '- [X] ' in all the files in a  directory, where [X] could be:
#[ ] = open item 
#[x] = closed item 
#[-] = ongoing item 
#[?] = question item 
# TBD:
#[/] = starting item 
#[\] = closing item
#
# The directory must be set in the variable $checklist_path
##########################################

function printout 
    set graphic $argv[1]
    set name $argv[2]
    # protect the regex in the search string
    if test $graphic = "?"
        set search  '^[^\h]\h\[\\'$graphic'\]'
    else
        set search  '^[^\h]\h\['$graphic'\]'
    end
    echo -e "\e[47;1m\e[30;1m$name [$graphic]:\e[0m"
    set tmp (ag --nonumbers --nofilename "$search" $checklist_path | sed -e 's/^.\{6\}//' -e '/^$/d')
    # avoiding fish issue #159 
    # [Cannot save multi-line output in a variable](https://github.com/fish-shell/fish-shell/issues/159)
    for elem in $tmp
        echo -e '\e[1;37m['$graphic']\e[0m '$elem
    end
    echo -e '\e[1;37m'(count $tmp) $name 'items\e[0m'
    echo
end

if test -n $checklist_path
    #Ongoing     
    printout "-" ongoing
    #Open
    printout " " open
    #Closed      
    printout "x" closed
    #Question mark      
    printout "?" questions
else
   echo 'Define the path to search for notes in $checklist_path first' 
end