Go up multiple levels of directories quickly and easily.

cd() { if [[ "$1" =~ ^\.\.+$ ]];then local a dir;a=${#1};while [ $a -ne 1 ];do dir=${dir}"../";((a--));done;builtin cd $dir;else builtin cd "$@";fi ;}
This is a kind of wrapper around the shell builtin cd that allows a person to quickly go up several directories. Instead of typing: cd ../.. A user can type: cd ... Instead of: cd ../../.. Type: cd .... Add another period and it goes up four levels. Adding more periods will take you up more levels.

5
2009-10-29 21:43:51
cd cd

2 Alternatives + Submit Alt

What Others Think

By using sed, I can reduce your function by 52 characters and extend it to any number of dots! function cd() { if [[ "$1" =~ "^\.\.+$" ]];then builtin cd "$(echo $1 | sed -e 's/\.//' -e 's/\./..\//g')";else builtin cd "$@";fi }
flatcap · 683 weeks and 4 days ago
flatcap, I had in mind something like that although your version doesn't seem to work for me on Bash 4.0.33. I also have some reservations about using external programs for a shell builtin, so I came up with this test function that converts dots into the requisite number of "../"s. test() { local a dir;a=${#1};while [ $a -ne 1 ];do dir=${dir}"../";((a--));done; echo $dir;} It would be easy enough to incorporate if I could get that test condition to match correctly.
eightmillion · 683 weeks and 4 days ago
I managed to get that test to work. I had to unquote the regular expression. Here's the new command that doesn't use any external programs: cd() { if [[ "$1" =~ ^\.\.+$ ]];then local a dir;a=${#1};while [ $a -ne 1 ];do dir=${dir}"../";((a--));done;builtin cd $dir;else builtin cd "$@";fi ;}
eightmillion · 683 weeks and 4 days ago
Nice!
flatcap · 683 weeks and 4 days ago
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Perfecthomepugs · 5 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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