### paste_combined_flags
# paste -sd, should work as -s -d ,
printf "a\nb\nc\n" | paste -sd,
### expect
a,b,c
### end

### paste_combined_flags_tab
# paste -sd with tab delimiter (default-ish)
printf "a\nb\nc\n" | paste -s
### expect
a	b	c
### end

### paste_separate_flags
# paste -s -d , should still work
printf "a\nb\nc\n" | paste -s -d ,
### expect
a,b,c
### end

### paste_combined_flags_split_delimiter
# paste -sd , consumes the next argument as -d's delimiter.
printf "a\nb\nc\n" | paste -sd ,
### expect
a,b,c
### end

### paste_combined_flags_missing_delimiter
# Missing delimiter after combined -sd fails instead of using the default tab.
printf "a\nb\nc\n" | paste -sd
echo "exit=$?"
### expect
exit=1
### end