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
This also needs checking (in setuptex):
if [ z"$BASH_SOURCE" != z ]; then
SCRIPTPATH="$BASH_SOURCE"
elif [ z"$KSH_VERSION" != z ]; then
SCRIPTPATH="${.sh.file}"
else
SCRIPTPATH="$0"
fi
OWNPATH=$(cd -P -- "$(dirname -- "$SCRIPTPATH")" && pwd -P)
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