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Updated some new usages (#31635)

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* Updated some new usages

Displaying information using wild card and merging file usuage added

* fix: resolve-conflicts
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SpeedX
2019-02-24 22:02:57 +05:30
committed by Tom
parent ee635832ad
commit 01bd850d3c
1 changed files with 5 additions and 4 deletions
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guide/english/bash/bash-cat/index.md
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@ -3,27 +3,23 @@ title: Bash cat
--- ---
## Bash command: cat ## Bash command: cat
The bash command `cat` is one of the most frequently used commands in Unix operating systems. It is used to read a file sequentially and print it to the standard output. The bash command `cat` is one of the most frequently used commands in Unix operating systems. It is used to read a file sequentially and print it to the standard output.
The command's name is derived from its function to con**cat**enate files. The command's name is derived from its function to con**cat**enate files.
The cat command can also be used to create a text file. The cat command can also be used to create a text file.
### Usage ### Usage
```bash ```bash
cat [options] [file_names] cat [options] [file_names]
``` ```
Most used options: Most used options:
* `-b`, number non-blank output lines * `-b`, number non-blank output lines
* `-n`, number all output lines * `-n`, number all output lines
* `-s`, squeeze multiple adjacent blank lines * `-s`, squeeze multiple adjacent blank lines
* `-v`, display nonprinting characters, except for tabs and the end of line character * `-v`, display nonprinting characters, except for tabs and the end of line character
### Example ### Example
Print in terminal the content of file.txt: Print in terminal the content of file.txt:
```bash ```bash
cat file.txt cat file.txt
@ -45,6 +41,11 @@ cat > yourfile.txt
``` ```
After pressing Enter, the cursor will be placed on the next line. You can start entering your desired text directly into your file. Press Ctrl+D or Ctrl+C to exit the file. After pressing Enter, the cursor will be placed on the next line. You can start entering your desired text directly into your file. Press Ctrl+D or Ctrl+C to exit the file.
Using wildcard to display contents of all text files:
```bash
cat *.txt
```
**Tip**: Using `cat` on a directory will cause error, so make sure it's a readable file. **Tip**: Using `cat` on a directory will cause error, so make sure it's a readable file.
#### More Information: #### More Information: