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# This is a convenience script to determine which
# type of shell you have, and then run GMXRC.[csh|bash|zsh]
# from the Gromacs binary directory.
#
# If you only use one shell you can copy that GMXRC.* instead.
# only csh/tcsh understand 'set'
set is_csh = 123
test "$is_csh" = 123 && goto CSH
# if we got here, shell is bsh/bash/zsh/ksh
# bsh cannot remove part of a variable with %%
shtst="A.B"
if [ "`(echo ${shtst%%.*}) 2>/dev/null`" = A ]; then
# shell is bash/zsh/ksh
# bash/zsh use $[...] for arithmetic evaluation, ksh doesn't
if [ "`echo $[0+1]`" = 1 ]; then
# shell is zsh/bash
# zsh can test if the variable shtst is set with ${+shtst}
if [ "`(echo ${+shtst}) 2>/dev/null`" = 1 ]; then
# shell is zsh
source @bindir@/GMXRC.zsh
else
# shell is bash
source @bindir@/GMXRC.bash
fi
else
# shell is ksh - use bash setup, completions won't be read.
. @bindir@/GMXRC.bash
fi
return
else
# shell is bsh - use bash setup, completions won't be read.
. @bindir@/GMXRC.bash
exit
fi
# csh/tcsh jump here
CSH:
source @bindir@/GMXRC.csh
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