MATTHEWS,MICHAEL (HP-Vancouver,ex1) <[EMAIL PROTECTED]> wrote: > I am porting a Linux build system to Windows XP by using the Cygwin 1.3.22-1 > environment (see the attached text file for output from "cygcheck -s -v > -r"). All of the bash shell scripts use the [[ ]] test in if statements, > similar to: > > if [[ "$(uname -s)" != "Linux" ]] > then > # Do Cygwin stuff > else > # Do Linux stuff > fi > > Whenever I run the script in the Cygwin bash shell, the conditional > executes, but the following error is displayed in the terminal window: > > [[: not found > > If I replace the double square brackets with single square brackets: > > if [ "$(uname -s)" != "Linux" ] > then > # Do Cygwin stuff > else > # Do Linux stuff > fi > > I do not get any error message. > > I use the [[ ]] test because from what I read about the bash shell > conditional testing, using [[ ]] is better than [ ], since [[ ]] is tested > internally, whereas [ ] is tested in a separate shell with the "test" > command. I would prefer to not have to change all of the test conditionals > in our Linux bash shell scripts from [[ ]] to [ ]. > > I checked the versions of bash in Cygwin and in Linux and they are: > > Cygwin bash version : GNU bash, version 2.05b.0(9)-release > (i686-pc-cygwin) > Linux bash version : GNU bash, version 2.05b.0(1)-release > (i686-pc-linux-gnu)
By default the shell for command scripts (/bin/sh) is ash not bash on Cygwin. You may be inadvertently using ash. To use bash start your scripts with #!/bin/bash. -- Cliff -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
