Linux command
tuc 命令
文本
涉及管道、覆盖或删除，执行前请先确认路径和参数。
常用示例
Cut the first field
echo "[a\tb\tc]" | tuc -f 1
Cut fields 1 through 3
echo "[a:b:c:d]" | tuc -d ':' -f 1:3
Reorder fields
echo "[a,b,c]" | tuc -d ',' -f 3,1,2
Use negative indexing
echo "[a b c]" | tuc -d ' ' -f -1
Use regex as delimiter
echo "[a1b2c3]" | tuc -e '[0-9]' -f 1:
Replace delimiter
echo "[a:b:c]" | tuc -d ':' -r '-' -f 1:
Select specific characters
echo "[hello]" | tuc -c 1:3
Format output with template
echo "[a,b,c]" | tuc -d ',' --format '{1} - {2}'
说明
tuc is a modern alternative to the classic cut command, written in Rust. It provides enhanced field selection with features like negative indexing, regex delimiters, multi-character delimiters, and field reordering. Field syntax supports ranges (1:3), lists (1,3,5), negative indexes (-1 for last), and combinations. Template formatting with {1}, {2} allows custom output formatting. Unlike cut, tuc can reorder fields, use regex patterns for splitting, and handle Unicode characters correctly. The -g option treats consecutive delimiters as one, useful for whitespace-separated data with variable spacing.
参数
- -f, --fields _bounds_
- Fields to select (default: 1:)
- -b, --bytes _bounds_
- Select specific bytes
- -c, --characters _bounds_
- Select characters (UTF-8 aware)
- -l, --lines _bounds_
- Select lines
- -d, --delimiter _delim_
- Field delimiter (default: tab)
- -e, --regex _pattern_
- Use regex as delimiter
- -r, --replace-delimiter _text_
- Replace delimiter with custom text
- -t, --trim _type_
- Trim delimiters: l (left), r (right), b (both)
- -g, --greedy-delimiter
- Match consecutive delimiters as one
- -p, --compress-delimiter
- Merge consecutive delimiters before cutting
- -s, --only-delimited
- Show only lines containing the delimiter
- -m, --complement
- Invert field selection
- -j, --join
- Rejoin selected parts with the delimiter
- -z, --zero-terminated
- Use NUL instead of newline as line terminator
- --format _template_
- Format output using field placeholders like {1}, {2}
- --json
- Output fields as JSON array
- --no-mmap
- Disable memory mapping
FAQ
What is the tuc command used for?
tuc is a modern alternative to the classic cut command, written in Rust. It provides enhanced field selection with features like negative indexing, regex delimiters, multi-character delimiters, and field reordering. Field syntax supports ranges (1:3), lists (1,3,5), negative indexes (-1 for last), and combinations. Template formatting with {1}, {2} allows custom output formatting. Unlike cut, tuc can reorder fields, use regex patterns for splitting, and handle Unicode characters correctly. The -g option treats consecutive delimiters as one, useful for whitespace-separated data with variable spacing.
How do I run a basic tuc example?
Run `echo "[a\tb\tc]" | tuc -f 1` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -f, --fields _bounds_ do in tuc?
Fields to select (default: 1:)