37 lines
574 B
Markdown
37 lines
574 B
Markdown
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---
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tags:
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- Programming_Languages
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- shell
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---
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The following are useful built-in utility methods that you can use for checking and validation in the course of your bash scripts.
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## Flags
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### Prevent newline
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Prevent bash from adding a new line after an echo:
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````bash
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echo 'Your name is Thomas'
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echo 'and you are 33 years old'
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# Your name is Thomas
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# and you are 33 years old
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````
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````bash
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echo -n 'Your name is Thomas '
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echo 'and you are 33 years old'
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# Your name is Thomas and you are 33 years old
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````
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## Operators
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### Mathematical
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````bash
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-lt , -gt,
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````
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