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-rw-r--r--ChangeLog5
-rw-r--r--Completion/User/_mere3
-rw-r--r--Functions/Misc/mere86
3 files changed, 91 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index f27e791c3..68a79acf9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-12-15 Tanaka Akira <akr@zsh.org>
+
+ * 13281: Functions/Misc/mere: new implementation.
+ Completion/User/_mere: new completion function for mere.
+
2000-12-13 Clint Adams <schizo@debian.org>
* 13250: Completion/User/.distfiles, Completion/User/_dict:
diff --git a/Completion/User/_mere b/Completion/User/_mere
new file mode 100644
index 000000000..3dd27728b
--- /dev/null
+++ b/Completion/User/_mere
@@ -0,0 +1,3 @@
+#compdef mere
+
+_files -g '*.[1-9]([a-z]|) *.man'
diff --git a/Functions/Misc/mere b/Functions/Misc/mere
index cf8d8ad14..496c67061 100644
--- a/Functions/Misc/mere
+++ b/Functions/Misc/mere
@@ -1,3 +1,83 @@
-#! /bin/sh
-# read a man page in the current directory
-nroff -man -Tman $1 | less -s
+# read a man page
+
+setopt localoptions extendedglob
+
+local manual="$1" col=col terminal=man magic line
+
+# /usr/bin/col on SunOS 4 doesn't support -x.
+if [[ -x /usr/5bin/col ]]; then
+ col=/usr/5bin/col;
+fi
+
+# SunOS 5 has no `man' terminal.
+if [[ -d /usr/share/lib/nterm &&
+ ! -e /usr/share/lib/nterm/tab.$terminal ]]; then
+ terminal=lp;
+fi
+
+# HP-UX has no `man' terminal.
+if [[ -d /usr/share/lib/term &&
+ ! -e /usr/share/lib/term/tab$terminal ]]; then
+ terminal=lp;
+fi
+
+# Unixware has no `man' terminal.
+if [[ -d /usr/ucblib/doctools/nterm &&
+ ! -e /usr/ucblib/doctools/nterm/tab.$terminal ]]; then
+ terminal=lp;
+fi
+
+# Solaris has SGML manuals.
+if [[ -f /usr/lib/sgml/sgml2roff ]] &&
+ [[ "$(read -er < $manual)" = "<!DOCTYPE"* ]]; then
+ /usr/lib/sgml/sgml2roff $manual | {
+ read -r line
+ if [[ $line = ".so "* ]]; then
+ # There is no cascading .so directive.
+ # On Solaris 7, at least.
+ /usr/lib/sgml/sgml2roff ${line#.so }
+ else
+ print -lr - "$line"
+ cat
+ fi
+ }
+else
+ read -u0 -k 2 magic < $manual
+ case $magic in
+ $'\037\235') zcat $manual;;
+ $'\037\213') gzip -dc $manual;;
+ *) cat $manual;;
+ esac
+fi | (
+ # cd is required to work soelim called by nroff.
+ case $manual in
+ */man/man*/*) cd ${manual:h:h};;
+ */man/sman*/*) cd ${manual:h:h};;
+ esac
+ read -r line
+ # The first line beginning with '\" shows preprocessors.
+ # Unknown preprocessors is ignored.
+ if [[ $line = "'\\\" "* ]]; then
+ typeset -A filter
+ filter=(
+ e neqn
+ g grap
+ p pic
+ r refer
+ t tbl
+ v vgrind
+ )
+ eval ${(j:|:)${${(s::)line#\'\\\" }//(#m)?/$filter[$MATCH]}}
+ elif [[ $line = "'\\\"! "* ]]; then
+ typeset -A filter
+ filter=(
+ eqn neqn
+ )
+ eval ${(j:|:)${${${${(s:|:)line#\'\\\"! }# ##}% ##}//(#m)*/$filter[$MATCH]}}
+ else
+ print -lr - "$line"
+ cat
+ fi |
+ nroff -T$terminal -man | $col -x
+) |
+${MANPAGER:-${PAGER:-more}} -s