Groups | Search | Server Info | Keyboard shortcuts | Login | Register
Groups > comp.unix.shell > #1757
| From | Stephane CHAZELAS <Stephane.CHAZELAS@free.fr> |
|---|---|
| Newsgroups | comp.unix.shell, comp.unix.programmer, comp.programming.contests |
| Subject | Re: The First Pure Shell Contest (PUSH): relativepath |
| Date | 2011-08-20 20:07 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <slrnj5050s.gg9.stephane.chazelas@spam.is.invalid> (permalink) |
| References | <9b7kg7F3njU1@mid.individual.net> |
Cross-posted to 3 groups.
2011-08-19, 17:23(+00), Jens Schweikhardt:
[...]
> Write a POSIX shell function named 'relativepath' which takes as
> arguments two absolute canonicalized pathnames, and stores the relative
> path from the first to the second in the variable "result" or "." when
> the arguments are the same. Example: relativepath /foo/bar /foo/baz sets
> result to "../baz".
[...]
In the not-answering-the-question category, what about:
printf '%s\n' "$1//$2/"|sed -e:1 -e'$!{N;b1' -e} -e'
s|/////*|///|;s|\(.*/\)\(.*/\)\1|\2|;:2
s|^[^/]*/\(\(.*/\)*/\)|\1../|;t2
s|^/||;s|/$||;s/^$/./'
--
Stephane
Back to comp.unix.shell | Previous | Next — Previous in thread | Next in thread | Find similar
The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <schweikh@schweikhardt.net> - 2011-08-19 17:23 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <stephane_chazelas@yahoo.fr> - 2011-08-19 18:13 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-19 19:12 +0000
Re: The First Pure Shell Contest (PUSH): relativepath pk <pk@pk.invalid> - 2011-08-19 21:14 +0200
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-19 19:29 +0000
Re: The First Pure Shell Contest (PUSH): relativepath pk <pk@pk.invalid> - 2011-08-19 21:37 +0200
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-19 20:04 +0000
Re: The First Pure Shell Contest (PUSH): relativepath pk <pk@pk.invalid> - 2011-08-19 22:25 +0200
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-19 21:08 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-08-19 19:58 +0100
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-19 19:23 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-08-19 22:18 +0100
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <Stephane.CHAZELAS@free.fr> - 2011-08-20 20:07 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Jens Schweikhardt <usenet@schweikhardt.net> - 2011-08-21 10:43 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-08-21 15:14 +0100
Re: The First Pure Shell Contest (PUSH): relativepath Janis Papanagnou <janis_papanagnou@hotmail.com> - 2011-08-21 18:28 +0300
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <stephane_chazelas@yahoo.fr> - 2011-08-21 16:19 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <stephane_chazelas@yahoo.fr> - 2011-08-21 20:12 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-08-22 21:15 +0100
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <stephane_chazelas@yahoo.fr> - 2011-08-23 18:23 +0000
Re: The First Pure Shell Contest (PUSH): relativepath Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-08-23 19:52 +0100
Re: The First Pure Shell Contest (PUSH): relativepath Stephane CHAZELAS <stephane_chazelas@yahoo.fr> - 2011-08-23 21:56 +0000
csiph-web