mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 17:51:31 +08:00
c2f6c6c1d2
darcs-hash:20060301165347-ac50b-3df9feec60dd9860e0988396d10b550a501f6802.gz
52 lines
1010 B
Fish
52 lines
1010 B
Fish
|
|
function prevd -d (N_ "Move back in the directory history")
|
|
# Parse arguments
|
|
set -l show_hist 0
|
|
set -l times 1
|
|
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
|
|
|
|
# Traverse history
|
|
set -l code 1
|
|
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
|
|
|
|
# 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
|
|
|