Re: associative array questions

[Ray Andrews <rayandrews@eastlink.ca>]

On 2022-12-13 15:06, Bart Schaefer wrote:
> It would work for the case where the array you want to rewrite is
> Either you're not actually showing us what you're doing, or you're not
> doing what you're telling us you are.

At the risk of making an ass of myself ... I'm quite at a loss, it 
damned well did work.  Tested 50 times, saved.  Restored the backup and 
... it doesn't work.  Dunno, one of those glitches in the matrix.  In 
the wrong directory?  Somehow created a real 'list'?  It damned well 
worked.  But somehow ... I've been known to make edits in the wrong file 
so what I'm editing and what I'm running ain't the same.  I'm quite at a 
loss.  Anyway the good news is that you are not mistaken -- which would 
be a serious difficulty.  I consume enough of you guy's time, I can't 
stand it when I'm totally wasting it barking up the wrong tree.  My 
apologies.  Anyway it is working again ... this time with 'set -A' which 
seems preferable besides it's expected to work.  God knows. Here's the 
whole function:

n_search ()
{
local list=$1 # Name of file buffer, no dollar sign idiot!!

     # Begin a search.
     if [[ ! "$SEARCHBUF" && ! "$prev_buffer" ]]; then
         msg="Begin case insensitive search ... "

     # There is no search, but there was in previous loop. i.e. we are 
searching, but we have backspaced the search to 'all' so re-enter search 
mode with virgin list:
     elif [[ ! "$SEARCHBUF" && "$prev_buffer" ]]; then
         prev_buffer=
         msg="No search, keep trying or UP to return to the list ... "

     # We are actively searching. Compute new list as each keystroke 
filters more narrowly. ENTER or up/dn arrows end search. Note, buffer 
can be preloaded when '$1' is given to nn_init(). But see 'c()' as an 
example of the argument to the function NOT being wanted as an initial 
search since that removes various heading lines.

     elif [[ "$SEARCHBUF" && "$SEARCHBUF" != "$prev_buffer" ]]; then
         prev_buffer="$SEARCHBUF"

         # Lines below:
         # 1) First remove lines starting with colon, they are messages.
         # 2) Next do the filtering:  Note that the search is not 
incremental even tho it looks like it is -- the search is always in the 
virgin list, else backspacing would require each previous search result 
to be saved separately:
         # 3) Now colorize the search string green. '#b': backreferences 
active, '#i':  case-insensitive.

###
# WORKS: (Tx Roman and Bart)
         set -A $list "${(@MP)list:#^:*}"
         set -A $list "${(@MP)list:#(#i)*$SEARCHBUF*}"
         set -A $list 
"${(@MP)list//(#bi)($SEARCHBUF)/$Color${match[1]}$nrm}"
         msg="Filtering with: $SEARCHBUF"
     fi
}