Re: do shell script- sed conundrum
Re: do shell script- sed conundrum
- Subject: Re: do shell script- sed conundrum
- From: "Mark J. Reed" <email@hidden>
- Date: Fri, 17 Feb 2006 13:04:19 -0500
Uhm, so why use sed? Just use perl. perl -ne 's/.../.../' filename
does what sed 's/.../.../' filename does.
However, your regex looks wrong. s/\BTitle:/Title:\r" will turn
"Title: King KongTitle: Godzilla" into
"Title: King KonTitle:
Godzilla".
You want to 1. keep whatever the \B matches and 2. put the newline
*before* the word Title.
perl -ne 's/(\B)(Title)/$1\n$2/' title.txt
On 2/17/06, Eric Geoffroy <email@hidden> wrote:
> This is a tiny part of a sed script that I'm calling from 'do shell
> script' This is the misbehaving part.
>
>
> SOURCE
> Title: King KongTitle: Godzilla
> Title: Mothra
>
> DESIRED RESULT
> Title: King Kong
> Title: Godzilla
> Title: Mothra
>
> I worked out the regex to match '\BTitle: '
> to negate the word boundary. In sed though, the boundary is \<
> but I can't figure out how to negate that.
>
> In my make-believe world, this would work-
>
> sed 's/\BTitle:/Title:\r/' title.txt
>
> I also tried ^\<(Title)
>
> In the real world, the \B is invalid for sed, and the shell in OSX is
> not handling the \r.
>
> thx
> - Eric
>
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--
Mark J. Reed <email@hidden>
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