[ILUG] RE question...

[Braun Brelin]

Brian et. al.

Fold is perfect.  That's exactly what I wanted.

thanks,

Braun

On 12/15/05, Brian Brazil <bbrazil at netsoc.tcd.ie> wrote:
> On Thu, Dec 15, 2005 at 11:03:35PM +0000, Braun Brelin wrote:
> > Okay,
> >
> > so i'm trying to figure a regular expression to do the following:
> >
> > Take a single (really long) line and break it up into 80 character
> > lines.  i.e. after every 80th character, insert a newline (or, if it's
> > HTML) insert a <br>
>
> fold < file.in > file.out
>
> Not exactly a regex. If you're in vim you can also use the gggqG to wrap
> all the lines in the file. gqJ will do the current line.
> ':set textwidth=80' is the default.
>
> For the <br> I'd pipe it through sed -e 's/$/<br>/'.
> Vim line is ':%s /$/<br>/', not exactly what you asked for though.
>
> For perl: 'perl -pe "s/(.{80})/\1\n/g"' works, although it doesn't handle
> lines of length 80*n correctly.
> perl -pe 's/^(.{80})(.+)/\1\n\2/' will handle it correctly, but you
> might need to run it a few times. A while loop on the substitution
> should handle that.
> Substitute <br> in the above for /n for HTML.
>
> Brian
>
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