nobacktick test: Use literal backtick in test.

With proper quoting, the non-POSIX \d96 escape isn't necessary, and the check should work also on Mac OS.

tests/t1260-listprj.sh

@@ -1,42 +0,0 @@
-#!/bin/sh
-
-test_description='list project functionality
-'
-. ./test-lib.sh
-
-cat > todo.txt <<EOF
-(B) smell the uppercase Roses +roses @outside +shared
-(C) notice the sunflowers +sunflowers @garden +shared +landscape
-stop
-EOF
-test_todo_session 'basic listproj' <<EOF
->>> todo.sh listproj
-+landscape
-+roses
-+shared
-+sunflowers
-EOF
-
-test_todo_session 'listproj with context' <<EOF
->>> todo.sh listproj @garden
-+landscape
-+shared
-+sunflowers
-EOF
-
-TEST_TODO_CUSTOM=todo-custom.cfg
-cat todo.cfg > "$TEST_TODO_CUSTOM"
-cat >> "$TEST_TODO_CUSTOM" <<'EOF'
-export DEFAULT='</color>'
-export PRI_B='<color type=green>'
-export PRI_C='<color type=blue>'
-export TODOTXT_FINAL_FILTER='grep -i roses'
-EOF
-test_todo_session 'listproj with context special cases' <<EOF
->>> todo.sh -+ -d "$TEST_TODO_CUSTOM" listproj @garden
-+landscape
-+shared
-+sunflowers
-EOF
-
-test_done

tests/t1300-ls.sh

@@ -94,40 +94,6 @@ TODO: 1 of 3 tasks shown
 TODO: 1 of 3 tasks shown
 EOF
 
-#
-# check the filtering of TERM containing characters that are special to the
-# shell, like variables, quotes, and multiple subsequent spaces.
-#
-cat > todo.txt <<'EOF'
-earn some pennies
-earn some $$
-earn some "money"
-get money from O'Brian
-just get   money!
-EOF
-test_todo_session 'checking filtering of special characters' <<'EOF'
->>> todo.sh ls '$$'
-2 earn some $$
---
-TODO: 1 of 5 tasks shown
-
->>> todo.sh ls '"money"'
-3 earn some "money"
---
-TODO: 1 of 5 tasks shown
-
->>> todo.sh ls "O'Brian"
-4 get money from O'Brian
---
-TODO: 1 of 5 tasks shown
-
->>> todo.sh ls "get   money"
-5 just get   money!
---
-TODO: 1 of 5 tasks shown
-EOF
-
-
 #
 # check the x command line option
 #

todo.sh

@@ -59,7 +59,7 @@ shorthelp()
 		    listcon|lsc
 		    listfile|lf SRC [TERM...]
 		    listpri|lsp [PRIORITY] [TERM...]
-		    listproj|lsprj [TERM...]
+		    listproj|lsprj
 		    move|mv ITEM# DEST [SRC]
 		    prepend|prep ITEM# "TEXT TO PREPEND"
 		    pri|p ITEM# PRIORITY
@@ -633,42 +633,6 @@ _addto() {
     fi
 }
 
-shellquote()
-{
-    typeset -r qq=\'; printf %s\\n "'${1//\'/${qq}\\${qq}${qq}}'";
-}
-
-filtercommand()
-{
-    filter=${1:-}
-    shift
-    post_filter=${1:-}
-    shift
-
-    for search_term
-    do
-        ## See if the first character of $search_term is a dash
-        if [ "${search_term:0:1}" != '-' ]
-        then
-            ## First character isn't a dash: hide lines that don't match
-            ## this $search_term
-            filter="${filter:-}${filter:+ | }grep -i $(shellquote "$search_term")"
-        else
-            ## First character is a dash: hide lines that match this
-            ## $search_term
-            #
-            ## Remove the first character (-) before adding to our filter command
-            filter="${filter:-}${filter:+ | }grep -v -i '$(shellquote "${search_term:1}")'"
-        fi
-    done
-
-    [ -n "$post_filter" ] && {
-        filter="${filter:-}${filter:+ | }${post_filter:-}"
-    }
-
-    printf %s "$filter"
-}
-
 _list() {
     local FILE="$1"
     ## If the file starts with a "/" use absolute path. Otherwise,
@@ -692,8 +656,32 @@ _list() {
     ## Get our search arguments, if any
     shift ## was file name, new $1 is first search term
 
-    ## Build the filter.
-    filter_command=$(filtercommand "${pre_filter_command:-}" "${post_filter_command:-}" "$@")
+    ## Prefix the filter_command with the pre_filter_command
+    filter_command="${pre_filter_command:-}"
+
+    for search_term
+    do
+        ## See if the first character of $search_term is a dash
+        if [ "${search_term:0:1}" != '-' ]
+        then
+            ## First character isn't a dash: hide lines that don't match
+            ## this $search_term
+            filter_command="${filter_command:-} ${filter_command:+|} \
+                grep -i \"$search_term\" "
+        else
+            ## First character is a dash: hide lines that match this
+            ## $search_term
+            #
+            ## Remove the first character (-) before adding to our filter command
+            filter_command="${filter_command:-} ${filter_command:+|} \
+                grep -v -i \"${search_term:1}\" "
+        fi
+    done
+
+    ## If post_filter_command is set, append it to the filter_command
+    [ -n "$post_filter_command" ] && {
+        filter_command="${filter_command:-}${filter_command:+ | }${post_filter_command:-}"
+    }
 
     ## Figure out how much padding we need to use
     ## We need one level of padding for each power of 10 $LINES uses
@@ -711,7 +699,7 @@ _list() {
         | grep -v "^[ 0-9]\+ *$"
     )
     if [ "${filter_command}" ]; then
-        filtered_items=$(echo -n "$items" | eval "${filter_command}")
+        filtered_items=$(echo -n "$items" | eval ${filter_command})
     else
         filtered_items=$items
     fi
@@ -764,7 +752,7 @@ _list() {
     fi
 }
 
-export -f cleaninput shellquote filtercommand _list die
+export -f cleaninput _list die
 
 # == HANDLE ACTION ==
 action=$( printf "%s\n" "$ACTION" | tr 'A-Z' 'a-z' )
@@ -1019,8 +1007,7 @@ case $action in
     ;;
 
 "listproj" | "lsprj" )
-    shift
-    eval "$(filtercommand 'cat "$TODO_FILE"' '' "$@")" | grep -o '[^ ]*+[^ ]\+' | grep '^+' | sort -u
+    grep -o '[^ ]*+[^ ]\+' "$TODO_FILE" | grep '^+' | sort -u
     ;;
 
 "listpri" | "lsp" )