Nice! I think something like this really could be useful for many users.
Some questions:
- Do you have an example input file demonstrating most features (as a
tutorial)?
- The copyright line is (legally) unclear. Copyright laws are pretty nasty. To
be on the safe side, I'd recommend you to look at FSF's recommendations, see
http://www.gnu.org/licenses/gpl-howto.html
(you should at least provide some kind of link to the actual license text).
Otherwise there is a risk that the license is invalid.
Erik
On Friday 22 April 2005 00.48, David Raleigh Arnold wrote:
> People have asked in the past for the ability to enter
> notes without having to put in the chromatic signs
> specified in the key signature. This sed filter
> does that plus a few other things optionally.
>
> I found it quite useful in doing my "Alegrias for Rose"
> which is in E major. Here it is. daveA:
>
> # keys.sed -- b for flat, w for double flat
> # are optional.
> # Can use h for bn, n for natural.
> # Outer address has no key changes.
> # Write single letters for notes in key sig.
> # Put @key0@ for no key change or
> # put @key[1-7][bs]@ ( b|s = flat|sharp )
> # anywhere on first line to edit and
> # @key@ anywhere on last line of input to edit.
> # (c)2005 David Raleigh Arnold. GNU license. Enjoy!
>
> # Outer Address:
> /@[EMAIL PROTECTED]/,/@key@/{
>
> # no tabs, one space at beginning, end of line
> s/\t/ /g
> s/^ */ /
> s/ *$/ /
>
> #change spellings:
>
> # b and bb notes to f and ff
> s/\([{<| ][a-g]\)bb/\1ff/g
> s/\([{<| ][a-g]\)b/\1f/g
>
> # h to b-natural
> s/\([{<| ]\)h/\1bn/g
>
> # w to double flat ff
> s/\([{<| ][a-g]\)w/\1ff/g
>
> /@key[1-7][bs]@/,/@key@/{
> # place marker to mark eligible notes consisting in a
> # single letter.
> s/\([{<| ]\)c\([^a-gnx]\)/\1c%flatORsharp%\2/g
> s/\([{<| ]\)d\([^a-gnx]\)/\1d%flatORsharp%\2/g
> s/\([{<| ]\)e\([^a-gnx]\)/\1e%flatORsharp%\2/g
> s/\([{<| ]\)f\([^a-gnx]\)/\1f%flatORsharp%\2/g
> s/\([{<| ]\)g\([^a-gnx]\)/\1g%flatORsharp%\2/g
> s/\([{<| ]\)a\([^a-gnx]\)/\1a%flatORsharp%\2/g
> s/\([{<| ]\)b\([^a-gnx]\)/\1b%flatORsharp%\2/g
>
> /@key7b@/,/@\/key@/b keycb
> /@key6b@/,/@\/key@/b keygb
> /@key5b@/,/@\/key@/b keydb
> /@key4b@/,/@\/key@/b keyab
> /@key3b@/,/@\/key@/b keyeb
> /@key2b@/,/@\/key@/b keybb
> /@key1b@/,/@\/key@/b keyf
> /@key7s@/,/@\/key@/b keycs
> /@key6s@/,/@\/key@/b keyfs
> /@key5s@/,/@\/key@/b keyB
> /@key4s@/,/@\/key@/b keye
> /@key3s@/,/@\/key@/b keya
> /@key2s@/,/@\/key@/b keyd
> /@key1s@/,/@\/key@/b keyg
>
> :keycb
>
> s/f%flatORsharp%/f%flat%/g
>
> :keygb
>
> s/c%flatORsharp%/c%flat%/g
>
> :keydb
>
> s/g%flatORsharp%/g%flat%/g
>
> :keyab
>
> s/d%flatORsharp%/d%flat%/g
>
> :keyeb
>
> s/a%flatORsharp%/a%flat%/g
>
> :keybb
>
> s/e%flatORsharp%/e%flat%/g
>
> :keyf
>
> s/b%flatORsharp%/b%flat%/g
> b finish
>
> :keycs
>
> s/b%flatORsharp%/b%sharp%/g
>
> :keyfs
>
> s/e%flatORsharp%/e%sharp%/g
>
> :keyB
>
> s/a%flatORsharp%/a%sharp%/g
>
> :keye
>
> s/d%flatORsharp%/d%sharp%/g
>
> :keya
>
> s/g%flatORsharp%/g%sharp%/g
>
> :keyd
>
> s/c%flatORsharp%/c%sharp%/g
>
> :keyg
>
> s/f%flatORsharp%/f%sharp%/g
>
> :finish
>
> s/%flatORsharp%//g
> # flat f
> s/%flat%/f/g
> # sharp s
> s/%sharp%/s/g
> }
> # Now outer clean up
> # rid of n's
> s/\([{<| ][a-g]\)n/\1/g
> # rid of markers
> s/@key0@//g
> s/@key[1-7][bs]@//g
> s/@key@//g
> }
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