[ipxe-devel] add support for trimming whitespaces from strings

[Christian Hesse]

Hello everybody,

some vendors like filling information in BIOS with blanks. So echoing the
product variable results in something like "Latitude E6500               ".

I would like to trim the trailing whitespaces. This is not possible yet, no?
I added a new modifier "stringtrim". Using ${product:stringtrim} now results
in just "Latitude E6500". Any comments?
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}
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