We do not need to mention an account and password when attaching to our node via IPC.

create.contract

@@ -48,7 +48,7 @@ console.log( pubcontract.address );
 EOT
     echo '*** Creating contract. Will take 16-30 seconds'
     cleanup out1
-    geth --datadir network5445/node1 --password /dev/null --unlock $account --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
+    geth --datadir network5445/node1 --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
     if [ ` wc -l < out1 ` = 2 -a `tail -1 < out1` = "true" ]
     then
         addr=` head -1 < out1 `

insert.sh

@@ -20,7 +20,7 @@ var thecontract = mycontract.at("$contract");
 console.log ( thecontract.storeDocument.sendTransaction( "${in}", {from: eth.accounts[0], gas: 1000000} ) )
 EOT
 cleanup out1
-geth --datadir network5445/node1 --password /dev/null --unlock $account --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
+geth --datadir network5445/node1 --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
 if [ ` wc -l < out1 ` = 2 -a `tail -1 < out1` = "true" ]
 then
     conf=` head -1 < out1 `

verify.sh

@@ -20,7 +20,7 @@ var thecontract = mycontract.at("$contract");
 console.log ( thecontract.checkDocument.call( "${in}" ) )
 EOT
 cleanup out1
-geth --datadir network5445/node1 --password /dev/null --unlock $account --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
+geth --datadir network5445/node1 --exec 'loadScript("g1.js")' attach ipc:network5445/node1/geth.ipc > out1
 if [ ` wc -l < out1 ` = 2 -a `tail -1 < out1` = "true" ]
 then
     block=` head -1 < out1 `