Re: Add a new internal command to BASH

[Abhinandan]

Hi Thanks for the information will try it


Chet Ramey wrote:
> 
> Abhinandan wrote:
>> Hi i wanted to add a new internal command to bash, how shall i do it.
>> please
>> help me out on this, trying to do this since many days. i'm not looking
>> for
>> any alias etc stuffs, i want to my own command as bash built in commands
>> like trap, eval etc
> 
> Adding a builtin is an interesting learning exercise, at least.
> 
> Bash builtins are written as `.def' files and preprocessed into the form
> the shell needs by the `mkbuiltins' program.
> 
> Adding a shell builtin is as simple as creating a `.def' file in the
> appropriate format (use the existing ones as an example), putting it
> in the `builtins' subdirectory, adding the name of the source file to
> the appropriate variables (DEFSRC) in builtins/Makefile.in, adding
> the corresponding object file name to the OFILES variable in the same
> file, typing `make Makefiles' from the top-level bash build directory,
> and rebuilding bash.
> 
> The first step is probably the hardest one.
> 
> Chet
> 
> -- 
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
> 
> Chet Ramey, ITS, CWRU    chet@case.edu   
> http://cnswww.cns.cwru.edu/~chet/
> 
> 
> 
> 

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