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Last change
on this file was
474,
checked in by rybkin, 16 years ago
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See C.L. 375
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Property svn:eol-style set to
native
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Property svn:executable set to
*
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File size:
628 bytes
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| Line | |
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| 1 | |
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| 2 | #-------------------------------------------------- |
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| 3 | # Procedure to filter system version specifications |
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| 4 | # |
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| 5 | # Input is received from stdin |
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| 6 | # Output wll be sent to stdout |
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| 7 | # |
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| 8 | # Input format |
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| 9 | # <some letters>[-]<dot separated numeric fields> |
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| 10 | # |
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| 11 | # Output format |
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| 12 | # <some letters><field1><field2><field3> |
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| 13 | # |
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| 14 | # o only the first three numeric fields are kept |
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| 15 | # o separators ('-' or '.') are all filtered out |
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| 16 | # |
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| 17 | #-------------------------------------------------- |
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| 18 | |
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| 19 | export LC_ALL=C |
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| 20 | exec sed -n ' |
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| 21 | h |
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| 22 | s#[-.0-9]##g |
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| 23 | x |
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| 24 | s#[^-.0-9]##g |
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| 25 | s#^[^0-9]## |
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| 26 | y#-.# # |
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| 27 | s#^\([0-9]*\) *\([0-9]*\) *\([0-9]*\) *.*#\1\2\3# |
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| 28 | G |
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| 29 | s#\(.*\)\n\(.*\)#\2\1#p |
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| 30 | ' |
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