Re: spell check on the command line

[Eric Smith <es@fruitcom.com>]

Looks great Bart, thank you!

I cannot find the application "suggest" anywhere, what do you
suggest?

Eric

Bart Schaefer wrote on Sat-25-Oct 14  9:24AM
> On Oct 24, 11:19pm, Eric Smith wrote:
> }
> } ~> setopt CORRECTALL
> } ~> touch this_settting_doess_not_yet_check_the_spelling_of_these_tags_in_a_filename.txt
> 
> Oh, so you want a regular spelling dictionary applied in some way, to
> substrings within each command-line argument.  Or perhaps only to
> substrings within file names, but since it's not possible to tell in
> general which arguments are file names (a shortcoming correctall has
> already), it's effectively the same problem.
> 
> Let's ignore the complications of shell keywords like "elif", complex
> commands like loops, and multi-line buffers.  Your basic choices are:
> 
> - override the accept-line widget; or
> - create (or add to if already using one) a zle-line-finish widget; or
> - attempt to handle it all in prexec.
> 
> The simplest one is zle-line-finish so I'll do a quick example of that
> here.  If you do it in preexec it's more difficult to implement the
> (a)bort and (e)dit cases.
> 
> I'll assume that anything matching [[:punct:]] is taken as a word break,
> and also that a program or function "suggest" exists that will spit out
> pairs of wrong words and their replacments (unlike "spell" which emits
> only the wrong words).
> 
>     zle-line-finish() {
>       local spelt misspelt nyae
>       print -R ${BUFFER//[[:punct:][:digit:]]/$'\n'} | suggest |
>       while read misspelt spelt
>       do
> 	read -k 1 nyae$'?\n'"correct '$misspelt' to '$spelt' [nyae]? "
> 	case ${nyae:l} in
> 	(a) zle send-break;;
> 	(e) zle push-line; return;;
> 	(y) BUFFER=${BUFFER/$misspelt/$spelt};;
> 	esac
>         [[ -n $nyae ]] && print -nR $nyae
>       done
>       [[ -n $nyae ]] && { print; zle redisplay }
>     }
>     zle -N zle-line-finish
> 
> Use at your own risk.

-- 
Eric Smith