Smart `cd`.. cd to the file directory if you try to cd to a file

cd() { if [ -z "$1" ]; then command cd; else if [ -f "$1" ]; then command cd $(dirname "$1"); else command cd "$1"; fi; fi; }
This little function will smarten 'cd'. If you try to cd into a file (which I guess we all have done), it cd's into the directory of that file instead. I had to use nesten if's, to get cd to still work with 'cd' (to get to $HOME), 'cd -' (to get to last directory), and 'cd foo\ bar'.
Sample Output
{ /root } # tail /var/log/messages
{ /root } # ... # ohh, I need to watch more logfiles
{ /root } # cd <alt+.> # to get last parameter
{ /var/log } # # Ready for action in the files folder

9
By: xeor
2010-04-23 19:17:43

What Others Think

Nice, but we can make it tidier... First, turn the nested if then if to if, elsif, else fi. Next drop dirname for shell magic: ${1%/*} Then move all the command cd's to the end cd() { if [ -z "$1" ]; then D=~; elif [ -f "$1" ]; then D="${1%/*}"; else D="$1"; fi; command cd "$D"; }
flatcap2 · 666 weeks and 6 days ago
Now only 83 chars and everything still works :-) cd() { [ -z "$1" ] && set -- ~; [ -f "$1" ] && set -- "${1%/*}"; command cd "$1"; }
flatcap2 · 666 weeks and 5 days ago
Even shorter: cd(){ [ -f "$1" ]&&builtin cd "${1%/*}"||builtin cd "$1";}
eightmillion · 666 weeks and 3 days ago
Nice (+1) though I probably won't never use it since bash completion don't complete regular file names.
rbossy · 665 weeks and 6 days ago
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Perfecthomepugs · 13 weeks and 3 days 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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