Bizarre bash problem

[John Abreau]

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Erik Price <erikprice at mac.com> writes:

> If you use "which" in shell scripts to determine the location of an 
> executable given its name, but you want to try using "type" instead, 
> you can make use of type with the -p option to avoid getting the 
> verbose output:
> 
> wintermute:~/down$ which bash
> /bin/bash
> wintermute:~/down$ type bash
> bash is /bin/bash
> wintermute:~/down$ type -p bash
> /bin/bash

Note that "type" shows you any available command, including aliases, 
shell built-ins, and shell functions, in addition to executable files 
that are in your PATH variable. 

The "-p" option tells it to only report commands in the PATH, and 
ignores functions, aliases, and built-ins. This is fine for a script, 
but I'd suggest you shouldn't develop a habit of using "-p" when you 
use it interactively on the command line. 


- --
John Abreau / Executive Director, Boston Linux & Unix
Email jabr at blu.org / WWW http://www.abreau.net / PGP-Key-ID 0xD5C7B5D9
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