Re: (cross post from bug-make) A complete example of quoting an arbitrary value as a word in a shell script

On 2022-11-06 03:59, Kaz Kylheku wrote:
> Just Base64-encode the value as, say, the make variable B64VAL and do
> 
> eval "$$(base64dec $(B64VAL))"
> 
> in the recipe or in a $(shell ...).
> 
> If that isn't palatable, invent some other encoding that is more
> readable.
> 
> URL encoding: percent hex notation for control and special characters.
> 
> 
> Quoted printable from MIME is another possibility.
> 
> You just have a dependency on the decoding tool.
> 
> Or make up something decodable by an awk or sed one liner. Awk has
> environment access, and gmake can export.

That all sounds more complex than defining the three functions I 
provided which can
quote a script that is readable as a literal value in a Makefile:

     shquotequote = $(subst ','\'',$(1))
     shnlquote = '$(subst $(newline),' ',$(call shquotequote,$(1)))'
     shquote = "$$(printf '%s\n' $(call shnlquote,$(1)))"

-- 
Yorick