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#
# This is a neat function, stolen from zsh. It allows you to edit the
# value of a variable interactively.
#
function vared -d (N_ "Edit variable value")
if test (count $argv) = 1
switch $argv
case '-h' '--h' '--he' '--hel' '--help'
help vared
case '-*'
printf (_ "%s: Unknown option %s\n") vared $argv
case '*'
if test (count $$argv ) -lt 2
set init ''
if test $$argv
set -- init $$argv
end
set prompt 'set_color green; echo '$argv'; set_color normal; echo "> "'
read -p $prompt -c $init tmp
# If variable already exists, do not add any
# switches, so we don't change export rules. But
# if it does not exist, we make the variable
# global, so that it will not die when this
# function dies
if test $$argv
set -- $argv $tmp
else
set -g -- $argv $tmp
end
else
printf (_ '%s: %s is an array variable. Use %svared%s %s[n] to edit the n:th element of %s\n') $argv (set_color $fish_color_command) (set_color $fish_color_normal) vared $argv $argv
end
end
else
printf (_ '%s: Expected exactly one argument, got %s.\n\nSynopsis:\n\t%svared%s VARIABLE\n') vared (count $argv) (set_color $fish_color_command) (set_color $fish_color_normal)
end
end
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