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RE: nslookup (function) problem
- X-seq: zsh-workers 11177
- From: Sven Wischnowsky <wischnow@xxxxxxxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxx
- Subject: RE: nslookup (function) problem
- Date: Fri, 5 May 2000 10:47:43 +0200 (MET DST)
- In-reply-to: "Andrej Borsenkow"'s message of Fri, 5 May 2000 12:23:59 +0400
- Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm
Andrej Borsenkow wrote:
> > - Does it use other environment variables? If so, which. In which
> > order? I.e. which one overrides all others?
> > - If $PAGER is not set, does it use a default pager or does it just
> > dump the help to the output? I.e. is it enough to locally unset
> > PAGER in nslookup() or should we locally export PAGER=cat?
> >
>
> Unsetting PAGER runs it through `more' (obviously, default - but this
> PAGER story is not documented anywhere). Setting PAGER=cat does the
> trick ... almost. The problem is, now the ability to page output is
> lost.
>
> Hmm ... may be extend nslookup function in the same way (probably, using
> style to turn it on/off)? If output has more lines than fit on screen,
> run it through PAGER?
I was thinking about the same when I asked...
This adds the `pager' style. If set, it's value is used as the progrma
to use for paging (and only then will paging be done at all). If the
value is the empty string, it uses $PAGER or `more' if $PAGER is not
set.
Bye
Sven
Index: Functions/Misc/nslookup
===================================================================
RCS file: /cvsroot/zsh/zsh/Functions/Misc/nslookup,v
retrieving revision 1.1.1.9
diff -u -r1.1.1.9 nslookup
--- Functions/Misc/nslookup 2000/03/10 01:01:03 1.1.1.9
+++ Functions/Misc/nslookup 2000/05/05 08:45:38
@@ -4,6 +4,8 @@
setopt localoptions localtraps completealiases
local tmp line compcontext=nslookup curcontext='nslookup:::' pmpt
+local pager opager="$PAGER"
+typeset +g -x PAGER=cat
zmodload -e zsh/zpty || zmodload -i zsh/zpty
@@ -13,6 +15,8 @@
pmpt=()
zstyle -s ':nslookup' prompt tmp && pmpt=(-p "$tmp")
zstyle -s ':nslookup' rprompt tmp && pmpt=("$pmpt[@]" -r "$tmp")
+zstyle -s ':nslookup' pager tmp &&
+ [[ -z "$pager" ]] && pager="${opager:-more}"
(( $#pmpt )) || pmpt=(-p '> ')
zpty nslookup nslookup
@@ -29,7 +33,11 @@
zpty -r nslookup line '*
> '
- print -nr "$line"
+ if [[ -n "$pager" ]]; then
+ print -nr "$line" | "$pager"
+ else
+ print -nr "$line"
+ fi
done
zpty -w nslookup 'exit'
--
Sven Wischnowsky wischnow@xxxxxxxxxxxxxxxxxxxxxxx
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