Re: multi-byte character sets in sed

>I usually use gVim that I can match character correctly with the encoding  
>set to cp936. Though in gVim I can match both a double-byte Character and  
>a single-byte ASCII letter by '.', I still want to know if if could be  
>achieved with sed. Or does sed plan to put the encoding support into  
>future versions that we can pass the encoding to sed either by environment  
>variable or by commandline option?
>
Yes, starting from version 4.1 on sed has full support for MBCS. The 
environment variables are LC_CTYPE and LC_COLLATE. Though, if you use 
them you may encounter weird behavior when a script expects an 
environment with the default values of these variables, i.e. LC_CTYPE=C 
LC_COLLATE=C: for example some locales demand that ranges (e.g. [A-Z]) 
match case-insensitively, and this is by now the most reported sed 
non-bug (this behavior is mandated by POSIX).

Paolo



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