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CUT
Cutting Through Linux
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INTRODUCTION
Cut is a command line utility in Linux that allows users to extract sections from each line of text in a file.
The basic syntax of cut involves specifying the delimiter, or character that separates fields in a line of text, and the field number or range of fields to extract.
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Using Cut to Extract Fields
To use cut to extract fields from a file, first specify the delimiter using the -d option followed by the delimiter character.
Next, specify the field or range of fields to extract using the -f option followed by the field number(s).
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Cutting Based on Character Position
In addition to extracting fields based on delimiters, cut can also extract data based on character position.
For example, to extract the first 10 characters of each line in a file, use -c1-10. To extract every character after the 5th position, use -c6-.
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Cutting Based on Byte Position
- Cut can also extract data based on byte position, which is useful for working with binary files.
- For example, to extract the first 100 bytes of a file, use -b1-100. To extract every byte after the 50th position, use -b51-.
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Using Cut in Combination with Other Commands
- Cut can be used in combination with other command line utilities to perform more complex tasks.
- Similarly, cut can be used to extract data from a file, and then awk can be used to perform calculations or manipulate the data further.
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Conclusion
- Cut is a powerful command line utility in Linux that can be used to extract data from text and binary files based on delimiters, character positions, and byte positions.
©2021 SiemHunters
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