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lineup

read/write collection of formatted UTF-8 string items

About

lineup is a Rust library and cross-platform command-line tool for reading and writing a list of UTF-8 strings according to specified input and output formats (separator, padding, anchor, etc.)

$ echo -n 'hi,here,hey' | lineup --in-separator=',' --out-span=4 --out-pad='_' --out-anchor=right --out-line-n=1 --out-line-separator='
> '; echo
__hi
here
_hey

For more info check

lineup --help

Getting Started

Prerequisites

lineup is cross-platofrm, coded in Rust; you need to have a valid Rust installation.

Get with cargo

cargo install -f lineup

Build from sources

  1. clone this repository
  2. build with cargo:
cargo build --release

Usage

read/write collection of formatted UTF-8 string items

Usage: lineup [OPTIONS]

Options:
      --in-separator <IN_SEPARATOR>
          IN FORMAT: input item separator, possible values:
            N:   N is fixed number of bytes per item, no explicit item separator; NOTE N must be > 0 and boundary of a UTF-8 code point for each item
            SEP: SEP is a string used to separate items; SEP cannot start with a digit
          
          [default: ,]

      --in-line-n <IN_LINE_N>
          IN format, line: number of items per line; if 0 provided all items are on a single line
          
          [default: 0]

      --in-line-separator <IN_LINE_SEPARATOR>
          IN format, line: separator string between lines
          
          [default: ]

      --out-span <OUT_SPAN>
          OUT format, span: max characters an item would need; shorter representations would be padded with 'pad' and anchored according to 'anchor'; if 0, items will not be padded so 'pad' and 'anchor' are not used
          
          [default: 0]

      --out-pad <OUT_PAD>
          OUT format, span: pad character (see 'span')
          
          [default: " "]

      --out-anchor <OUT_ANCHOR>
          OUT format, span: anchor items to the left or right when padding is needed (see 'span')
          
          [default: left]
          [possible values: right, left]

      --out-separator <OUT_SEPARATOR>
          OUT format: separator string for items within a line
          
          [default: " "]

      --out-line-n <OUT_LINE_N>
          OUT format, line: number of items per line; if 0 provided put all items on a single line
          
          [default: 0]

      --out-line-separator <OUT_LINE_SEPARATOR>
          OUT format, line: separator string between lines
          
          [default: ]

  -h, --help
          Print help information (use `-h` for a summary)

  -V, --version
          Print version information

Input format arguments

These arguments specify how input items are arranged in the input stream:

  • item separator:--in-separator
  • line separator:
    • number of items per line: --in-line-n, 0 disables line separation
    • line separator: in-line-separator

Output format arguments

These arguments specify how items will be arranged on the output stream:

  • span:
    • span size: --out-span, 0 disables span
    • pad character: --out-pad
    • anchor: --out-anchor
  • item separator:--out-separator
  • line separator:
    • number of items per line: --out-line-n, 0 disables line separation
    • line separator: out-line-separator

License

This project is licensed under the GNU General Public License v3.

See LICENSE for more information.

Acknowledgements

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