bugfix for -s and --complement options

v3.1

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Added -E option

v3.0

added -E option

fixes for situation where no suitable delimiter found in input.

If fields are asked for that do not exist it can mean not delimiter is found in the input. In this situation use the command-line delimiter specification instead. Thanks to https://github.com/larrypl for finding this issue

handles non-existent fields

this release handles requests for fields that don't exist in the input stream by outputing a blank field

changes to be more compatible with gnu cut

Added new -e option to allow specifying delimiter with quoted characters, -d now works as per gnu cut, without quoted characters

reverse field ranges now work

reverse field ranges (e.g. -f 4-2) now work. Thanks to larrypl (https://github.com/larrypl) for raising the issue

String Delimiters

Allows use of strings rather than characters as delimiters. Fix for segfault if file open fails. Corrected misspellings of (delimiter)

Unicode really works now

Turns out you can't just count bytes with the high-bit set, you have to distinguish one unicode character from another. Added 'make check' for UTF8 support. Added SPDX headers to files

Preliminary Unicode Support

Support for unicode characters on input to -c or -b style cuts

Minor bugfix. -b working but -c wasn't.

Though -b and -c are currently equivalent in ccut, -c was being ignored.