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Demonstrate how to use text processing commands like ‘sed’, and ‘cut’ with suitable examples.

Demonstrate how to use text processing commands like ‘sed’, and ‘cut’ with suitable examples.

SOLUTION....

Detailed Explanation

1. The sed Command

  • sed stands for Stream Editor.

  • It processes text line by line and can perform operations like:

    • Substitution (find & replace)

    • Deletion of lines

    • Insertion of text

    • Transformation of characters

Common Syntax

Examples

  1. Substitute (Replace text)

2. Delete lines

3. Insert a line

4.Print specific lines

2. The cut Command

  • cut is used to extract specific parts of text based on:

    • Delimiter (-d): Extract fields separated by characters (like , or :).

    • Character position (-c): Extract a range of characters.

    • Fields (-f): Select columns from the input.

Common Syntax

Examples

  1. Extract specific columns from a CSV file

2. Extract multiple fields

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