On 30-10-2012 18:38, Pontus Lurcock wrote:
On Tue 30 Oct 2012, Bill Meahan wrote:

On 10/30/2012 01:20 PM, Hans Hagen wrote:
filename 2>&1

This has been the correct Bourne shell (POSIX) syntax for many
years. I think it goes all the way back to Bell Labs V7 IIRC

instead of &>filename.

is a "bash-ism"

FWIW, Debian and Ubuntu have a package ‘devscripts’ which includes a
program ‘checkbashisms’ to catch such things (Ubuntu started using
dash as the default sh back in 2006). Ubuntu also has some advice
on strict-POSIX shell scripting: 
https://wiki.ubuntu.com/DashAsBinSh#I_am_a_developer._How_can_I_avoid_this_problem_in_future.3F

Mojca,

we need to change such lines in first-setup:

if which rsync &> /dev/null; then

Maybe a dashing user can check it for more non posix things.

Hans

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