📈 Changelog¶

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.3.0 - 2021-03-29¶

& filter which splits value using a separator and outputs N-th column.
-q, --quote flag to automatically wrap output of every pattern expression in quotes.
-l, --read-end flag to require the last input value to be properly terminated.
-I, --no-stdin flag to disable reading values from standard input.

% is the default pattern escape character instead of #.
n filter (substring) was renamed to #.
N filter (substring with backward indexing) was replaced by use of # with negative indexing (e.g., #-2).
Parsing of A+L range can no longer fail with overflow error. Such range would be now resolved as A- (from A to end).
Capture groups of a global regex need to be prefixed with $ (e.g., {$1} instead of {1}).
More lenient number parsing that ignore multiple leading zeros (e.g., 001 is interpreted as 1).
Output of --explain flag and error output have escaped non-printable and other special characters (newline, tab, etc.).
Output of --help-pattern includes list of escape sequences.
Output of --help-filters flag has more readable layout.
-T, --no-trailing-delimiter flag was renamed to -L, --no-print-end.
-s, --fail-at-end flag was renamed to -F, --fail-at-end.
-b, -diff flag was renamed to -d, --diff flag.

A+L range is correctly evaluated as "from A to A+L" (not A+L+1 as previously).
-h, --help flag displays correct position of -- argument in usage.

l filter (to lowercase) was renamed to v.
L filter (to uppercase) was renamed to ^.
0 is now a valid filter a no longer considered error.
Simplified error message for an invalid range.
Simplified output of --help-pattern and --help-filters flags.
Output of -h, --help flag is organized into sections.
Output of -h, --help flag uses more colors in descriptions.
Regular expression -e. --regex / -E. --regex-filename is now called global instead of external.

Initial release.