diff -r dc5c210295d0 -r f466b4c7d9b1 streamlet-examples/__relpipe_in_filesystem_script_cloc
--- a/streamlet-examples/__relpipe_in_filesystem_script_cloc	Sat Jan 18 16:41:59 2020 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,78 +0,0 @@
-#!/bin/bash
-
-# Relational pipes
-# Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 3 of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-# This streamlet counts lines of code of given files. It calls the tool cloc.
-#
-# With no options, these attributes are provided: language, code, comment, blank
-# Specific attributes can be selected using options – e.g. --option 'attribute' 'code'
-# or --option "attribute" "total" (sum of code, comment and blank lines, hidden by default).
-#
-# Optional prefix can be added to attribute names: --option 'prefix' 'my_prefix_'
-
-
-. "$(dirname $0)/streamlet-common.sh"
-
-processMessage_WAITING_FOR_OUTPUT_ATTRIBUTES_METADATA() {
-	clocFields=()
-
-	for (( i=0; i<${#optionNames[@]}; i++)); do
-		if [[ "x${optionNames[$i]}" == "xattribute" ]]; then
-			if [[ "${optionValues[$i]}" =~ ^(language|blank|comment|code)$ ]]; then
-				clocFields+=("${optionValues[$i]}");
-			else
-				echo "Unsupported attribute: ${optionValues[$i]}" >&2
-			fi
-		elif [[ "x${optionNames[$i]}" == "xprefix" ]]; then
-			clocPrefix="${optionValues[$i]}";
-		else
-			echo "Unsupported option: ${optionNames[$i]}" >&2
-		fi
-	done
-
-	if [[ -z "$clocFields" ]]; then
-		clocFields=( "language" "code" "comment" "blank" ); # + "total"
-	fi
-
-	for (( i=0; i<${#clocFields[@]}; i++)); do
-		if [[ "x${clocFields[$i]}" == "xlanguage" ]]; then local type="string"; else local type="integer"; fi
-		send OUTPUT_ATTRIBUTE_METADATA "${outputAttributeAliases[$i]-$clocPrefix${clocFields[$i]}}"    "$type"
-	done
-
-	send WAITING_FOR_INPUT_ATTRIBUTES
-}
-
-processMessage_WAITING_FOR_OUTPUT_ATTRIBUTES() {
-	local language files blank comment code total;
-	
-	[[ -d "$currentFile" ]] || read_nullbyte language files blank comment code total < <( cloc "$currentFile" | perl -ne 'if (/(.*?)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/) { print "$1\0$2\0$3\0$4\0$5\0"; print $3 + $4 + $5; print "\0"; }' );
-
-	for (( i=0; i<${#clocFields[@]}; i++)); do
-		value="${!clocFields[$i]}";
-
-		if [[ "x$files" == "x1" ]]; then                                isNull="false";
-		elif [[ "x${clocFields[$i]}" == "xlanguage" ]]; then value="";  isNull="true";
-		else                                                 value="0"; isNull="true"; fi
-
-		send OUTPUT_ATTRIBUTE "$value"    "$isNull";
-	done
-	
-	send WAITING_FOR_INPUT_ATTRIBUTES;
-}
-
-initialize
-processMessages