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# Count files
cf() {
local dir
# Specify directory to check
dir=${1:-$PWD}
# Error conditions
if [[ ! -e $dir ]] ; then
printf 'bash: cf: %s does not exist\n' "$dir" >&2
return 1
elif [[ ! -d $dir ]] ; then
printf 'bash: cf: %s is not a directory\n' "$dir" >&2
return 1
elif [[ ! -r $dir ]] ; then
printf 'bash: cf: %s is not readable\n' "$dir" >&2
return 1
fi
# Count files and print; use a subshell so options are unaffected
(
shopt -s dotglob nullglob
declare -a files=("$dir"/*)
printf '%d\t%s\n' "${#files[@]}" "$dir"
)
}
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