pig

# run piglet in the GNU debugger to catch the wiley coyote

stty sane

echo "pig is a script that runs pig.bin under the"
echo "gdb gnu debugger... don't worry about next two lines:"

(
cat <<!
    handle SIGINT noprint pass 
    handle SIGTSTP noprint pass 
    handle all 
    set detach-on-fork on
    run
    bt
    quit
    yes
    quit
    yes
!
) > pig.tmp.$$ 

gdb --batch  -q -command pig.tmp.$$ pig.bin | tee pigtrace

cat pigtrace  | col -b > pig.trace.$$
mv pig.trace.$$ pigtrace
chmod 666 pigtrace

# check for abnormal exit, ask user for bug report

if ! grep "exited normally" pigtrace > /dev/null
then
    echo "Piglet has crashed.  Please send a description of what you were doing"
    echo "plus the last 100 lines of the file named \"pigtrace\" to"
    echo "<walker@omnisterra.com>.  Thanks! - Rick Walker"
else
    rm pigtrace
fi

rm pig.tmp.*