From a3d15c17d1389f3047e2c271e69df869f6dd904d Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Wed, 21 Aug 1996 11:24:01 +0000
Subject: [PATCH] Shell works more like the YAZ line mode client.

---
 iterate.tcl |    6 +++---
 shell.tcl   |   69 +++++++++++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 58 insertions(+), 17 deletions(-)

diff --git a/iterate.tcl b/iterate.tcl
index 91c9b8a..f95ece7 100644
--- a/iterate.tcl
+++ b/iterate.tcl
@@ -1,4 +1,4 @@
-# $Id: iterate.tcl,v 1.4 1995-08-04 11:32:40 adam Exp $
+# $Id: iterate.tcl,v 1.5 1996-08-21 11:24:01 adam Exp $
 #
 # Small test script which searches for science ...
 proc fail-back {} {
@@ -48,5 +48,5 @@ ir z
 z failback {fail-back}
 z databaseNames dummy
 z callback {connect-response}
-z connect localhost:210
-
+z connect localhost:9999
+vwait forever
diff --git a/shell.tcl b/shell.tcl
index d9d32d8..a6a1c92 100644
--- a/shell.tcl
+++ b/shell.tcl
@@ -1,33 +1,61 @@
-# $Id: shell.tcl,v 1.2 1995-08-28 12:21:22 adam Exp $
+# $Id: shell.tcl,v 1.3 1996-08-21 11:24:03 adam Exp $
 #
 source display.tcl
 
 ir z
+set pref(base) Default
+set pref(format) usmarc
 
 proc help {} {
     puts "Commands:"
-    puts " target <host> <database>"
+    puts " target <host>"
+    puts " base <base>"
+    puts " format <format>"
     puts " find <query>"
     puts " show <offset> <number>"
     puts ""
 }
 
-proc target {name database} {
+proc fail-response {} {
+    global ok
+    set ok -1
+}
+proc target {name} {
+    global ok pref
+
+    set ok 0
     z disconnect
-    z failback {puts "Connection failed"}
+    z failback {fail-response}
     z callback {connect-response}
-    z databaseNames $database
-    z connect $name
+    if [catch "z connect $name"] {
+        fail-response
+    } else {
+        vwait ok
+    }
     return {}
 }
 
+proc base {base} {
+    global pref
+    set pref(base) $base
+}
+
+proc format {format} {
+    global pref
+    set pref(format) $format
+}
+
 proc connect-response {} {
     z callback {init-response}
     z init
 }
 
 proc init-response {} {
-    puts "Connect and initialized."
+    global ok pref
+
+    set ok 1
+    puts "Connected and initialized."
+    ir-set z.1 z
 }
 
 proc find-response {z} {
@@ -42,15 +70,18 @@ proc find-response {z} {
 }
 
 proc common-response {z from} {
-    set status [lindex [$z responseStatus] 0]
-    switch $status {
+    global ok pref
+
+    set ok 1
+    set status [$z responseStatus]
+    switch [lindex $status 0] {
     NSD { 
             puts -nonewline "NSD"
-            puts -nonewline [lindex [$z responseStatus] 1]
+            puts -nonewline [lindex $status 1]
             puts -nonewline " "
-            puts -nonewline [lindex [$z responseStatus] 2]
+            puts -nonewline [lindex $status 2]
             puts -nonewline ": "
-            puts -nonewline [lindex [$z responseStatus] 3]
+            puts -nonewline [lindex $status 3]
             puts ""
         }
     DBOSD {
@@ -67,14 +98,24 @@ proc common-response {z from} {
 }
 
 proc show {from number} {
+    global ok pref
+
+    set ok 0
     z callback "common-response z.1 $from"
     z.1 present $from $number
+    vwait ok
+    return {}
 }
     
 proc find {query} {
-    ir-set z.1 z
-    z failback {puts "Connection closed"}
+    global ok pref
+
+    set ok 0
+    z.1 databaseNames $pref(base)
+    z.1 preferredRecordSyntax $pref(format)
     z callback {find-response z.1}
     z.1 search $query
+    vwait ok
+    return {}
 }
 
-- 
1.7.10.4