Greg Matheson <cid88201(_at_)mail(_dot_)chinmin(_dot_)edu(_dot_)tw> wrote:
I seem to have it working with s/\\\\//g
Very good.
The following, from one of my rc files, works to handle the
backslash and a couple of other chars. Adjust for your own needs:
:0 # save us from possible SUBJ bombs when calling sed
* SUBJ ?? [&\/]
This means do the substitution only if $SUBJ contains one of these
metacharacters.
Yes.
{
# we're using printf %s to replace echo, which is not
# consistent in its handling of escape quotes
SUBJ = `printf %s "$SUBJ" | sed 's,\\\\,\\\\\\\\,g; \
s/&/\\\\&/g; \
s,/,\\\\/,g'`
So you're trying to preserve the metacharacters by quoting them.
Strange sed syntax there with the colons and lack of -e for extra
expressions. I think 'sed' has been deleted from 2nd and 3rd
lines here.
As someone answered the other day already, it's actually a
standard sed syntax. The -e '[expression]' -e '[expression]'
thing is not the only way. Most any modern sed can do it
the way I showed it, too. Very ancient seds would not be
able to, however.
This was posted to the list about two years ago as part of a
thread..
The thread index at
http://www.rosat.mpe-garching.mpg.de/mailing-lists/procmail/2000-04/thre
ads.html#00139
shows the discussion by Dallman Ross and Volker Kuhlmann
developed from problems with a vacation autoresponder.
Glad you found it!
I didn't understand all the discussion, but I am probably going
to leave it because I have gotten rid of the backslash with
s/\\\\//g
But I still don't understand why y/\\\\// doesn't work.
I guess it's the difference between a regex and a literal
expression.
I'm not entirely clear on what you're asking. But it sounds like
you got what you wanted working, so -- great!
Dallman
--
Dallman Ross
"If you find a path with no obstacles, it probably does not lead to
anywhere."
Thoughts of Rev. Sunnan Kubose, from _Zen in the Markets_
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