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Re: compctl tab order by modification date



[ List changed to zsh-workers and CC'ed to Eric. ]

Eric Smith wrote:

> Hi
> 
> I would like to tab through files in order of their modification date, most
> recent first.  How could I set completion control to do this?

Currently there is no way to do that. However, the patch to allow this 
in the new completion system is quite simple -- see below. It adds the 
style `sort' for the `files' tag, so that:

  zstyle ':completion:*:files' sort time

gives what you wanted.

With `compctl' I don't see a nice-enough solution (a completion
function calling `ls -t' is not `nice', I think).


I don't know if this patch is interesting enough to be included in the 
distribution, though.


Bye
 Sven

diff -ru ../z.old/Completion/Core/_path_files Completion/Core/_path_files
--- ../z.old/Completion/Core/_path_files	Tue Jan  4 14:06:00 2000
+++ Completion/Core/_path_files	Tue Jan  4 14:42:03 2000
@@ -6,7 +6,7 @@
 local linepath realpath donepath prepath testpath exppath
 local tmp1 tmp2 tmp3 tmp4 i orig eorig pre suf tpre tsuf opre osuf cpre
 local pats haspats=no ignore group expl addpfx addsfx remsfx
-local nm=$compstate[nmatches] menu match matcher mopts atmp
+local nm=$compstate[nmatches] menu match matcher mopts atmp sort
 
 typeset -U prepaths exppaths
 
@@ -99,6 +99,37 @@
     pats=('*')
   else
     unset sopt
+  fi
+fi
+
+if zstyle -s ":completion${curcontext}:files" sort tmp1; then
+  case "$tmp1" in
+  *size*)             sort=oL;;
+  *links*)            sort=ol;;
+  *(time|date|modi)*) sort=om;;
+  *access*)           sort=oa;;
+  *(inode|change)*)   sort=oc;;
+  *)                  sort=on;;
+  esac
+  [[ "$tmp1" = *rev* ]] && sort[1]=O
+
+  if [[ "$sort" = on ]]; then
+    sort=''
+  else
+    group=( "${(@)group/#-J/-V}" )
+    expl=( "${(@)expl/#-J/-V}" )
+
+    tmp2=()
+    for tmp1 in "$pats[@]"; do
+      if [[ "$tmp1" = ?*\(\([^\|~]##\)\) ]]; then
+        tmp2=( "$tmp2[@]" "${tmp1[1,-3]}${sort}))" )
+      elif [[ "$tmp1" = ?*\([^\|~]##\) ]]; then
+        tmp2=( "$tmp2[@]" "${tmp1[1,-2]}${sort})" )
+      else
+        tmp2=( "$tmp2[@]" "${tmp1}(${sort})" )
+      fi
+    done
+    pats=( "$tmp2[@]" )
   fi
 fi
 
diff -ru ../z.old/Doc/Zsh/compsys.yo Doc/Zsh/compsys.yo
--- ../z.old/Doc/Zsh/compsys.yo	Tue Jan  4 10:15:50 2000
+++ Doc/Zsh/compsys.yo	Tue Jan  4 14:38:25 2000
@@ -1093,6 +1093,18 @@
 keeping them in the order in which they appear in the history (from
 youngest to oldest).
 
+The completion function that generates filenames as possible matches
+uses this style with the tt(files) tag to determine in which order the 
+names should be listed and completed when using menucompletion. The
+value may be one of tt(size) to sort them by the size of the file,
+tt(links) to sort them by the number of links to the file,
+tt(modification) (or tt(time) or tt(date)) to sort them by the last
+modification time, tt(access) to sort them by the last access time, or 
+tt(inode) (or tt(change)) to sort them by the last inode change
+time. Any other value (or not setting this style at all) makes them be 
+sorted alphabetically by name. If the value contains the string
+tt(reverse), sorting is done in decreasing order.
+
 This is also used by the tt(_expand) completer. Here, if it is set to
 `true', the expansions generated will always be sorted. If it is set
 to tt(menu), then the expansions are only sorted when they are offered 

--
Sven Wischnowsky                         wischnow@xxxxxxxxxxxxxxxxxxxxxxx



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