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zhouhh@zhh64:~/test$ ls
sendmail.py test.c testfor.sh
zhouhh@zhh64:~/test$ vi test.sh
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#!/bin/sh
( read l; read l; read l ;exec cat ) < "$0" | gunzip | tar xf - && ls -l
exit
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zhouhh@zhh64:~/test$ tar -zcvf data.tar.gz *
sendmail.py
test.c
testfor.sh
test.sh
zhouhh@zhh64:~/test$ ls
data.tar.gz sendmail.py test.c testfor.sh test.sh
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zhouhh@zhh64:~/test$ cat data.tar.gz >> test.sh
zhouhh@zhh64:~/test$ ls -lh test.sh
-rwxr-xr-x 1 zhouhh zhouhh 1.4K 2010-04-22 17:04 test.sh
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zhouhh@zhh64:~/test$ mkdir data
zhouhh@zhh64:~/test$ mv test.sh data
zhouhh@zhh64:~/test$ cd data
zhouhh@zhh64:~/test/data$ ls
test.sh
zhouhh@zhh64:~/test/data$ ./test.sh
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-rwxr-xr-x 1 zhouhh zhouhh 975 2010-04-12 16:50 sendmail.py
-rw-r--r-- 1 zhouhh zhouhh 92 2010-04-22 12:06 test.c
-rwxr-xr-x 1 zhouhh zhouhh 558 2010-03-25 11:20 testfor.sh
-rwxr-xr-x 1 zhouhh zhouhh 88 2010-04-22 16:49 test.sh
zhouhh@zhh64:~/test/data$ ls
sendmail.py test.c testfor.sh test.sh
zhouhh@zhh64:~/test/data$ cat test.
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