convert permissions in ls to octal

ls -l | sed -e 's/--x/1/g' -e 's/-w-/2/g' -e 's/-wx/3/g' -e 's/r--/4/g' -e 's/r-x/5/g' -e 's/rw-/6/g' -e 's/rwx/7/g' -e 's/---/0/g'

-4
By: luishka
2010-01-31 22:41:02

What Others Think

Some cases output garbage. Otherwise, nice idea. 000- 1 root root 703 1. Dez 22:03 gshadow
rodolfoap · 661 weeks and 4 days ago
stat can do it with nice output ;) stat -c '%A %a %n' *
JesusSuperstar · 661 weeks and 3 days ago
Ignores SUID and SGID flags
monkeyvegas · 661 weeks and 3 days ago
For golfing this, consider that, ignoring SUID and SGID modes, replacing [rwx] in the permission string with 1 and '-' with 0 returns us a binary digit which can be converted directly to octal.
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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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