[H-GEN] regular expressions

[Jason Henry Parker]

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Bruce Campbell <bc at humbug.org.au> writes:

> [ Humbug *General* list - semi-serious discussions about Humbug and ]
> [ Unix-related topics.  Please observe the list's charter.          ]
> 
> On Mon, 21 Aug 2000, Martin Pool wrote:
> 
> mbp> On Sat, Aug 19, 2000 at 09:10:36AM +1000, Jason Henry Parker wrote:
> mbp> 
> mbp> > I always trap my sed expressions in forward-quotes to hide them
> mbp> > completely from the shell.  [ObPeeve:  forward quotes cannot be
> mbp> > escaped from bash _at all_.]
> mbp> 
> mbp> Perhaps I misunderstand you, but
> mbp> 
> mbp>   $ echo I think jason\'s wrong
> 
> $ echo No matter which quotes you use, whether \"double\", \'single\' \
>   in either \`direction\`, they can all be \\escaped under bash\(1\) . \
>   And you can "do this inside \"another\" string like \'this\' ".

$ echo 'I don\'t think I\'m wrong'
> 

(I'd often like to write something like:

$ perl -e'open FILH, "</etc/passwd" or die "Can't open /etc/passwd: $!\n"'

only to find I can't do it.  It's incredibly annoying, but usually a
sign that the script needed to be a script and not a one-liner anyway.

jason, GNU bash, version 2.03.0(1)-release (i386-pc-linux-gnu)
-- 
``I worry that you'll work in an office ... have children ... celebrate
wedding anniversaries ... the world of heterosexuals is a sick and
boring life!''  --  Aunt Ida

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