From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: subsitutions and beginning of lines.
Date: Mon, 12 Oct 2015 02:26:37 +0000 [thread overview]
Message-ID: <20151012022637.GB2464@tarsus.local2> (raw)
In-Reply-To: <561AB49A.4060801@eastlink.ca>
Ray Andrews wrote on Sun, Oct 11, 2015 at 12:12:26 -0700:
> ${var// /}
>
> When doing that sort of substitution, is is possible to test for newlines?
> I'm playing with a function that grabs history and I'm trying to strip
> off the leading numbers.
If you're trying to parse something like this:
% history | tail -2
1004 echo foo
1005 echo bar
You could avoid parsing the line numbers (and unescaping the commands)
altogether by accessing the history differently:
% print -r - $history[1004]
echo foo
next prev parent reply other threads:[~2015-10-12 2:37 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-11 19:12 Ray Andrews
2015-10-11 20:09 ` Peter Stephenson
2015-10-11 23:05 ` Ray Andrews
2015-10-12 9:34 ` Peter Stephenson
2015-10-12 15:44 ` Ray Andrews
2015-10-12 17:07 ` Ray Andrews
2015-10-13 2:29 ` Bart Schaefer
2015-10-13 2:50 ` Ray Andrews
2015-10-13 5:03 ` Bart Schaefer
2015-10-13 5:24 ` Ray Andrews
2015-10-13 19:58 ` Bart Schaefer
2015-10-13 21:42 ` Ray Andrews
2015-10-14 0:23 ` Bart Schaefer
2015-10-14 5:03 ` Ray Andrews
2015-10-12 2:26 ` Daniel Shahaf [this message]
2015-10-12 15:53 ` Ray Andrews
2015-10-12 16:42 ` Peter Stephenson
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