Re: built-in '[' and '/usr/bin/[' yield different results

[Ilkka Virta]

On 13.11. 18:29, Service wrote:
>      # Put the above commands into a script, say check.sh
>      # Run with: /bin/sh < check.sh
>      # Or      : /bin/sh ./check.sh
>      # Or      : /usr/bin/env ./check.sh
>
>      # Output is always not ok:
>      not_nt
>      nt

 $ cat check.sh
 export PATH=""
 /bin/touch file1
 /bin/rm -f file2
 if          [ file1 -nt file2 ]; then echo nt; else echo not_nt; fi
 if /usr/bin/[ file1 -nt file2 ]; then echo nt; else echo not_nt; fi

 $ bash ./check.sh
 nt
 nt

 $ /bin/sh ./check.sh
 not_nt
 nt

Isn't that Windows Linux thingy based on Ubuntu? /bin/sh isn't Bash by 
default on Debian and Ubuntu, so it might be you're just not running the 
script with Bash.


--
Ilkka Virta / itvirta@iki.fi