mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 18:43:51 +08:00
50 lines
1.3 KiB
Fish
50 lines
1.3 KiB
Fish
|
|
#
|
|
# 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 $$argv ) -lt 2
|
|
set init ''
|
|
if test $$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
|
|
|