> echo $TRE > ./tre.sh TRE=trep > echo $TRE trep >
#!/usr/bin/env ksh PID=$PPID echo "Modifying $PID to set $1" TMPFILE=/tmp/tre.tmp cat<<EOF >$TMPFILE attach $PID call putenv ("$1") detach EOF cat $TMPFILE gdb -batch -x $TMPFILE > /dev/null rm $TMPFILE