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function prevd --description "Move back in the directory history"
if count $argv >/dev/null
switch $argv[1]
case -h --h --he --hel --help
__fish_print_help prevd
return 0
end
end
# Parse arguments
set -l show_hist 0
set -l times 1
if count $argv > /dev/null
for i in (seq (count $argv))
switch $argv[$i]
case '-l' --l --li --lis --list
set show_hist 1
continue
case '-*'
printf (_ "%s: Unknown option %s\n" ) prevd $argv[$i]
return 1
case '*'
if test $argv[$i] -ge 0 ^/dev/null
set times $argv[$i]
else
printf (_ "The number of positions to skip must be a non-negative integer\n")
return 1
end
continue
end
end
end
# Traverse history
set -l code 1
if count $times > /dev/null
for i in (seq $times)
# Try one step backward
if __fish_move_last dirprev dirnext;
# We consider it a success if we were able to do at least 1 step
# (low expectations are the key to happiness ;)
set code 0
else
break
end
end
end
# Show history if needed
if test $show_hist = 1
dirh
end
# Set direction for 'cd -'
if test $code = 0 ^/dev/null
set -g __fish_cd_direction next
end
# All done
return $code
end
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