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LAB 4 IS DONE.

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winPond
2019-07-06 10:39:40 +08:00
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# echo hello world | cat
hello world
# cat lorem
Lorem ipsum dolor sit amet, consectetur
adipisicing elit, sed do eiusmod tempor
incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis
nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit
in voluptate velit esse cillum dolore eu
fugiat nulla pariatur. Excepteur sint
occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim
id est laborum.
# cat lorem |num
1 Lorem ipsum dolor sit amet, consectetur
2 adipisicing elit, sed do eiusmod tempor
3 incididunt ut labore et dolore magna
4 aliqua. Ut enim ad minim veniam, quis
5 nostrud exercitation ullamco laboris
6 nisi ut aliquip ex ea commodo consequat.
7 Duis aute irure dolor in reprehenderit
8 in voluptate velit esse cillum dolore eu
9 fugiat nulla pariatur. Excepteur sint
10 occaecat cupidatat non proident, sunt in
11 culpa qui officia deserunt mollit anim
12 id est laborum.
# cat lorem |num |num |num |num |num
1 1 1 1 1 Lorem ipsum dolor sit amet, consectetur
2 2 2 2 2 adipisicing elit, sed do eiusmod tempor
3 3 3 3 3 incididunt ut labore et dolore magna
4 4 4 4 4 aliqua. Ut enim ad minim veniam, quis
5 5 5 5 5 nostrud exercitation ullamco laboris
6 6 6 6 6 nisi ut aliquip ex ea commodo consequat.
7 7 7 7 7 Duis aute irure dolor in reprehenderit
8 8 8 8 8 in voluptate velit esse cillum dolore eu
9 9 9 9 9 fugiat nulla pariatur. Excepteur sint
10 10 10 10 10 occaecat cupidatat non proident, sunt in
11 11 11 11 11 culpa qui officia deserunt mollit anim
12 12 12 12 12 id est laborum.
# lsfd -1
fd 0: name testshell.sh isdir 0 size 113 dev file
fd 1: name <pipe> isdir 0 size 32 dev pipe
fd 3: name <pipe> isdir 0 size 32 dev pipe
# cat script
echo This is from the script.
cat lorem | num | cat
echo These are my file descriptors.
lsfd -1
echo This is the end of the script.
# sh <script
This is from the script.
1 Lorem ipsum dolor sit amet, consectetur
2 adipisicing elit, sed do eiusmod tempor
3 incididunt ut labore et dolore magna
4 aliqua. Ut enim ad minim veniam, quis
5 nostrud exercitation ullamco laboris
6 nisi ut aliquip ex ea commodo consequat.
7 Duis aute irure dolor in reprehenderit
8 in voluptate velit esse cillum dolore eu
9 fugiat nulla pariatur. Excepteur sint
10 occaecat cupidatat non proident, sunt in
11 culpa qui officia deserunt mollit anim
12 id est laborum.
These are my file descriptors.
fd 0: name script isdir 0 size 132 dev file
fd 1: name <pipe> isdir 0 size 32 dev pipe
fd 3: name <pipe> isdir 0 size 32 dev pipe
This is the end of the script.