Fix error with ResultListDo

Reported by Pomakhin
Also add a test to exercise the functionality

Author: dkprice

plugin/EasyGrep.vim

@@ -3104,7 +3104,7 @@ function! s:DoReplace(target, replacement, wholeword, escapeArgs)
 
     let finished = 0
     let lastFile = -1
-    let doAll = 0
+    let doAll = exists("g:EasyGrepAutomatedTest")
     let i = 0
     while i < numMatches && !finished
         try
@@ -3385,7 +3385,7 @@ function! s:ResultListDo(command)
 
     let finished = 0
     let lastFile = -1
-    let doAll = 0
+    let doAll = exists("g:EasyGrepAutomatedTest")
     let i = 0
     while i < numMatches && !finished
         try
@@ -3473,7 +3473,7 @@ function! s:ResultListDo(command)
             endif
 
             if doit
-                exe .a:command
+                exe a:command
             endif
 
             if pendingQuit

tests/__resultlistdo.in

@@ -0,0 +1,2 @@
+resultlistdo
+resultlistopen

tests/resultlistdo.ok

@@ -0,0 +1,8 @@
+|1 col 1| GrepAdd resultlist
+__resultlistdo.in|1 col 1| resultlistdo
+__resultlistdo.in|2 col 1| resultlistopen
+__resultlistdo.in|1 col 1| GrepAdd resultlistfroo
+__resultlistdo.in|1 col 1| resultlistfroo
+__resultlistdo.in|1 col 1| GrepAdd resultlist
+__resultlistdo.in|1 col 1| resultlistdo
+__resultlistdo.in|2 col 1| resultlistopen

tests/resultlistdo.vim

@@ -0,0 +1,31 @@
+
+let testname="resultlistdo"
+let g:EasyGrepDefaultUserPattern="__resultlistdo.in"
+let g:EasyGrepMode=3
+let g:EasyGrepAutomated=1
+
+" Search
+ResultListTag GrepAdd resultlist
+GrepAdd resultlist
+
+" Exercise
+ResultListDo s/resultlistdo/resultlistfroo/e
+wa
+
+" Search
+ResultListTag GrepAdd resultlistfroo
+GrepAdd resultlistfroo
+
+" Restore the input
+ResultListDo s/resultlistfroo/resultlistdo/e
+wa
+
+" Search again
+ResultListTag GrepAdd resultlist
+GrepAdd resultlist
+
+" Save results
+exe "ResultListSave ".testname.".out"
+
+cclose
+quitall!

tests/vimgrep.suite

@@ -1,4 +1,8 @@
 
+#-------------------------------------------------------------------------------
+# Grep tests
+#-------------------------------------------------------------------------------
+
 # casesensitivity
 casesensitivity_ack.vim
 casesensitivity_ag.vim
@@ -33,3 +37,14 @@ simpleregex_ag.vim
 simpleregex_grep.vim
 simpleregex_pt.vim
 simpleregex_vimgrep.vim
+
+#-------------------------------------------------------------------------------
+# ResultList tests
+#-------------------------------------------------------------------------------
+
+
+#-------------
+# ResultListDo
+#-------------
+resultlistdo_vimgrep.vim
+