| O=$1 | |
| shift | |
| objtype=$1 | |
| shift | |
| ls -p ../$objtype/*.[cs] >[2]/dev/null | sed 's/..$//' > /tmp/reduce.$pid | |
| # | |
| # if empty directory, just return the input files | |
| # | |
| if (! ~ $status '|') { | |
| echo $* | |
| rm /tmp/reduce.$pid | |
| exit 0 | |
| } | |
| echo $* | tr ' ' \012 | grep -v -f /tmp/reduce.$pid | tr \012 ' ' | |
| rm /tmp/reduce.$pid |