Re: `which` and infinite recursion

[Colin Watson <cjwatson@debian.org>]

On Sat, Jun 22, 2002 at 10:54:15PM -0400, Joseph Barillari wrote:
> I investigated my .bashrc, and found that the offending line was 
> 
> export CVS_RSH=`which ssh`
> 
> Because `which` is implemented as a bash script, invoking it causes
> .bashrc to be read, and `which ssh` to be evaluated, which causes
> `which` (a bash script) to be invoked, which causes .bashrc to be
> read, which causes `which ssh` to be evaluated, ad infinitum.

How about finding out whether your shell's interactive before running
which? This should do it:

  case $- in
    *i*)
      export CVS_RSH=`which ssh`
      ... other similar stuff ...
      ;;
  esac

Cheers,

-- 
Colin Watson                                  [cjwatson@flatline.org.uk]


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