base64 / mime prc table

[Brian K. White]

Mark had said he though I had written a prc table to do base64, and I almost 
thought I remembered that but not quite, and if I HAD, I wanted to find it 
because I could use that in a few places and would rather use that than what 
I am currently doing with a user command. (although, really the user command 
is working great and it has one advantage in that it's a single black box 
that both fp processes and cgi & cron scripts use to code/decode stuff for 
each other and I can make any kind of change I want in that script and not 
break anything else as long as the script still decodes what it encodes)

I went digging and I found it was this that he was thinking of which I had 
forgotten all about, and which I can ALSO use in several places. It's a URL 
encoder in filepro, which only took about 1 line of actual work, 2 or 3 
lines of loop set-up, and several lines of comment.

http://www.aljex.com/bkw/filepro/#urlenc

I only added the c files just now and unfortunately they don't work as user 
commands yet since they don't accept stdin.
I'm using them within a different already existing script that does work as 
a user command.

I never made a decoder in filepro but there is a decoder sco binary and c 
source there and a decoder should be almost as little in fp as the encoder.

There are awk and perl implimentations of this around but this is the kind 
of thing I tend to have in the middle of loops in the middle of much-used 
call tables on many-user systems such that it gets run a *lot* and so it 
needs to be as light and lean as possible, ideally all in filepro, next in 
as light as possible a user command, next in as light as possible a system 
command or within a script wrapper that can act as a user command.

Brian K. White  --  brian at aljex.com  --  http://www.aljex.com/bkw/
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