From: "Bart Schaefer" <schaefer@brasslantern.com>
To: Vin Shelton <acs@alumni.princeton.edu>, zsh-users@sunsite.dk
Subject: Re: Convert absolute paths to relative paths
Date: Fri, 19 Apr 2002 17:51:50 +0000 [thread overview]
Message-ID: <1020419175150.ZM15246@candle.brasslantern.com> (raw)
In-Reply-To: <545ofgfaowz.fsf@icd.teradyne.com>
On Apr 19, 7:49am, Vin Shelton wrote:
}
} Can anyone show me some nifty zsh hackery to convert a string
} representing an absolute path into a relative path? For example, if
} my current $PWD is "/opt/build" and the path I want to convert is
} "/opt/src/perl-5.6.1", I would like the result to be
} "../src/perl-5.6.1".
function relative {
emulate -L zsh
local up=.. down
# ! -d $up/$down accounts for symlinks in $PWD
while [[ ${PWD#$1} == $PWD || ! -d $up/$down ]]
do
up=../$up
if [[ -n $1:t ]]
then
down=$1:t${down:+/$down}
1=$1:h
fi
done
print $up/$down
}
--
Bart Schaefer Brass Lantern Enterprises
http://www.well.com/user/barts http://www.brasslantern.com
Zsh: http://www.zsh.org | PHPerl Project: http://phperl.sourceforge.net
next prev parent reply other threads:[~2002-04-19 17:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-19 11:49 Vin Shelton
2002-04-19 17:51 ` Bart Schaefer [this message]
2002-04-19 19:00 ` Bart Schaefer
2002-04-20 0:47 ` Vin Shelton
2002-04-20 0:59 ` Bart Schaefer
2002-04-20 4:48 ` Vin Shelton
2002-04-21 18:32 ` Bart Schaefer
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