Overview
basename-w is used to remove the directory path from a file path and extract only the filename. This is useful when only the filename is needed in a script. It behaves similarly to the standard `basename` command, but the `-w` option might be related to specific width processing. (This is a virtual command and is not included in standard Linux distributions.)
Key Features
- Extracts filename from a path
- Useful for processing filenames in scripts
- Functionality to adjust output based on specific width (virtual)
Key Options
basename-w provides basic functionality to extract filenames from paths, allows removing suffixes with the `-s` option, and the `-w` option can be used to adjust output based on a specific width.
Behavior Control
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Description:
`basename-w` Executes the command.
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Usage Examples
Various usage examples of the basename-w command.
Basic Filename Extraction
basename-w /home/user/documents/report.txtExtracts only the filename from the given path.
Remove Suffix
basename-w /home/user/image.jpg -s .jpgRemoves a specific suffix from the filename.
Width Limit (Virtual)
basename-w /path/to/very/long/filename.txt -w 10Limits the length of the output filename to 10 characters. (Virtual behavior)
Installation
basename-w is a virtual command not included by default in standard Linux distributions. If you need similar functionality, it is recommended to write your own script or utilize the `basename` command. Below is an example of a virtual `basename-w` script.
Create and Save Script
Save the following content into a file named `basename-w`.
#!/bin/bash\n\n# basename-w script example\n\npath="$1"\nsuffix=""\nwidth=""\n\n# Parse options\nwhile getopts "s:w:" opt; do\n case $opt in\n s) suffix="$OPTARG" ;;\n w) width="$OPTARG" ;;\n \?) echo "Invalid option -$OPTARG" >&2 ; exit 1 ;;\n esac\ndone\nshift $((OPTIND-1))\n\n# Error if path is not provided\nif [ -z "$path" ]; then\n echo "Usage: basename-w [-s SUFFIX] [-w WIDTH] PATH" >&2\n exit 1\nfi\n\n# Extract filename using basename\nfilename=$(basename "$path" "$suffix")\n\n# Apply width limit (virtual functionality)\nif [ -n "$width" ]; then\n echo "${filename:0:$width}"\nelse\n echo "$filename"\nfiGrant Execute Permissions and Add to PATH
Grant execute permissions to the script and move it to a directory included in the system's PATH (e.g., `/usr/local/bin`) so it can be executed from anywhere.
chmod +x basename-w\nsudo mv basename-w /usr/local/bin/Tips & Notes
basename-w is a virtual command, so for actual use, you should utilize the standard `basename` command or implement the required functionality yourself.
Usage Tips
- Utilize Standard `basename`: In most cases, the `basename` command is sufficient. Refer to `man basename` to learn its usage.
- Implement Custom Scripts: If custom features like specific width processing are needed, implementing them directly with shell scripts or other programming languages offers more flexibility.
- Path Separator: Linux/Unix systems use `/` as the path separator. `basename`-like commands operate based on this.