| The
single right angle bracket will overwrite a file if it is used to
redirect output. To avoid this you can use the double right-angle
bracket (>>)
to append the output of a command to an existing file.
Examples
$
cal 9 1999 > sept.oct
$
cat sept.oct
Sept
1999
| S |
M |
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F |
S |
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|
$
cal 10 1999>> sept.oct
$
cat sept.oct
Sept
1999
| S |
M |
Tu |
W |
Th |
F |
S |
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|
1 |
2 |
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| 5 |
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| 26 |
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|
Oct
1999
| S |
M |
Tu |
W |
Th |
F |
S |
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1 |
| 2 |
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| 9 |
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|
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|
$
|
|
