Add script for ofxstatement

Conversion of multiple XML-files into separate OFX-files using
    ofxstatement and ofxstatement-iso20022

arch-config/scripts/pieces/statement-convert.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# help message
+fn_help() {
+    cat <<EOF
+Helper script to convert multiple XML-files in the camt.053 format into OFX files with sensible filenames
+This script requires ofxstatement and ofxstatement-iso20022 to be installed as well as configured
+
+Use like this:
+./statement-convert.sh (profile) (path)
+
+profile: Name of the configuration profile in the ofxstatement config
+path:    Folder path containing one or more XML-files to be converted
+EOF
+}
+
+# 2 parameters, profile and path
+if [ $# -ne 2 ]; then
+    fn_help
+    exit 1
+fi
+
+profile="$1"
+path="$2"
+
+# find all xml files in the folder
+readarray -d '' xmlfiles < <(find "$path" -maxdepth 1 -name "*\.xml" -print0)
+
+for file in "${xmlfiles[@]}"; do
+    # Takes a path like this
+    # /home/exu/Documents/camt.053_SPS_08_083522212930_ND_0835222129300000_20230309_005134241_005.xml
+    # And converts it into this new path
+    # /home/exu/Documents/statement_20230309.ofx
+    outfile="$(dirname "$file")/statement_$(basename "$file" | cut -d_ -f7).ofx"
+    ofxstatement convert -t "$1" "$file" "$outfile"
+done