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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 --description "Edit variable value"
if test (count $argv) = 1
switch $argv
case '-h' '--h' '--he' '--hel' '--help'
__fish_print_help vared
return 0
case '-*'
printf (_ "%s: Unknown option %s\n") vared $argv
return 1
case '*'
if test (count $$argv ) -lt 2
set -l init ''
if test $$argv
set init $$argv
end
set -l prompt 'set_color green; echo '$argv'; set_color normal; echo "> "'
if read -p $prompt -c $init tmp
# If variable already exists, do not add any
# switches, so we don't change export rules. But
# if it does not exist, we make the variable
# global, so that it will not die when this
# function dies
if test $$argv
set $argv $tmp
else
set -g $argv $tmp
end
end
else
printf (_ '%s: %s is an array variable. Use %svared%s %s[n]%s to edit the n:th element of %s\n') vared $argv (set_color $fish_color_command; echo) (set_color $fish_color_normal; echo) $argv (set_color reset; echo) $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; echo) (set_color $fish_color_normal; echo)
end
end
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