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# Return appropriate options for ls
lsopts() {
# Snarf the output of `ls --help` into a variable
local lshelp=$(ls --help 2>/dev/null)
# Start collecting available options
local -a lsopts
# If the --color option is available and we have a terminal that supports
# at least eight colors, add --color=auto to the options
local colors=$(tput colors)
if [[ $lshelp == *--color* ]] && ((colors >= 8)) ; then
lsopts=("${lsopts[@]}" '--color=auto')
fi
# Print the options as a single string, space-delimited
printf %s "${lsopts[*]}"
}
# Alias ls with these options
alias ls="ls $(lsopts)"
# Unset helper function
unset -f lsopts
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