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# 1  
Old 01-03-2002
Garbled Sed w/variables

I'm trying to get a partial file path by passing the part I want removed to sed. Sed gets garbled when I try multiple directories (i.e. because of the extra slash).

For example:

Gives me /local/bin. That works fine. But if I try:


Sed gets garbled. Any other ways I can accomplish this with or without sed?
# 2  
Old 01-04-2002

# 3  
Old 01-04-2002
To do this with sed I would switch delimiters. The backslash before the dollar sign in the sed command doesn't seem to be needed. On the other hand, I like superfluous double quotes around the sed argument. So my code would be:

But ksh can this with built-ins. This save launching a sed process:

Several other modern shells have borrowed this from ksh so it may work with your shell.
# 4  
Old 01-04-2002
That's exactly what I was looking for. With the sed example, I found it useful to set a variable to an unprintable character first:

CA=`echo '\001'`

and then use that for my delimiter:


I'm always a little weary of using printable characters for things like this, you never know where the one you choose might show up! I did like the ksh example even better though, I hadn't even thought of that approach.

Thanks for your help!

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