1#!/bin/sh23set -e45trap 'rm -f file*' EXIT6trap 'exit $?' HUP INT TERM78############################################################################9#extract 1st member1011cp master.a file.a1213$EXEC scc ar -xv file.a file114diff -u file1 - <<EOF15This is the first file,16and it should go in the17first position in the archive.18EOF