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Filters using Regular Expressions grep: Searching a Pattern.

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Presentation on theme: "Filters using Regular Expressions grep: Searching a Pattern."— Presentation transcript:

1 Filters using Regular Expressions grep: Searching a Pattern

2 Filters using Regular Expressions grep: Searching a Pattern

3 Filters using Regular Expressions grep: Searching a Pattern

4 grep Options

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6

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8 Basic Regular Expressions(BRE)

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10 Basic Regular Expressions(BRE)- The Character Class

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12 Basic Regular Expressions(BRE)- The *

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14 Basic Regular Expressions(BRE)- The Dot

15 Basic Regular Expressions(BRE)- Specifying Pattern Locations (^ and $)

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17 Extended Regular Expressions(ERE) and egrep

18 Extended Regular Expressions(ERE) – The + and ?

19 Extended Regular Expressions(ERE) – Matching Multiple Patterns (|, ( and ))

20 sed – The Stream Editor

21 sed – The Stream Editor – Line Addressing

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24 sed – The Stream Editor – Using Multiple Instructions (-e and –f)

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26 sed – The Stream Editor – Context Addressing

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28 sed – The Stream Editor – Writing Selected Lines to a File

29 sed – The Stream Editor – Text Editing

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32 sed – The Stream Editor – Substitution (s)

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36 sed – The Stream Editor – Remembered Pattern (//)

37 sed – The Stream Editor – Repeated Pattern (&)

38 sed – The Stream Editor

39 Interval Regular Expressions (IRE)

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42 The Tagged Regular Expressions (TRE)

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44


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