diff --git a/src/parser.ts b/src/parser.ts
index 5e47c86..bf38d5f 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -12,7 +12,7 @@ export class Parser {
 		const result: NamedCodeBlock[] = [];
 		
 		const file = view.file;
-		const fileContent = await view.app.vault.read(file);
+		const fileContent = await view.app.vault.cachedRead(file);
 		const fileCache = view.app.metadataCache.getFileCache( file );
 
 		if ( fileCache == null ){
@@ -210,7 +210,7 @@ export class Parser {
 		} = {};
 		
 		const file = view.file;
-		const fileContent = await view.app.vault.read(file);
+		const fileContent = await view.app.vault.cachedRead(file);
 		const fileCache = view.app.metadataCache.getFileCache( file );
 
 		if ( fileCache == null ){
@@ -232,9 +232,6 @@ export class Parser {
 			} 
 			if ( section.type == 'table' ){
 
-				// const from = editor.offsetToPos(section.position.start.offset);
-				// const to = editor.offsetToPos(section.position.end.offset);
-				// const table = editor.getRange( from, to );
 				const table = fileContent.slice(
 					section.position.start.offset,
 					section.position.end.offset
diff --git a/src/rci-io.ts b/src/rci-io.ts
index 7904c60..02f5b73 100644
--- a/src/rci-io.ts
+++ b/src/rci-io.ts
@@ -45,8 +45,8 @@ export class IoRunContextImplementation implements TIoRunContext {
 		if (file instanceof TFile){
 
 			if ( file.extension == 'csv'){
-				const csvdata = await this.vault.read( file );
-				const dataSet = pzr.loadCsv(csvdata);
+				const csvData = await this.vault.cachedRead( file );
+				const dataSet = pzr.loadCsv(csvData);
 				this.data[name??file.basename] = dataSet;
 				return dataSet;
 			}
@@ -70,7 +70,7 @@ export class IoRunContextImplementation implements TIoRunContext {
 		}
 
 		if ( file.extension == 'md' ){
-			const content = await this.vault.read( file );
+			const content = await this.vault.cachedRead( file );
 			const pzr = new Parser();
 			pzr.applyMarkdownContent(
 				file.basename,
@@ -94,7 +94,7 @@ export class IoRunContextImplementation implements TIoRunContext {
 			return undefined;
 		}
 
-		return await this.vault.read(af)
+		return await this.vault.cachedRead(af)
 	}
 
 	async load_data(path: string, name?: string | undefined): Promise<DataSet> {
diff --git a/src/rci-markers.ts b/src/rci-markers.ts
index 60a601e..45e6f99 100644
--- a/src/rci-markers.ts
+++ b/src/rci-markers.ts
@@ -71,7 +71,7 @@ export class MarkerRunContextImplementation implements TMarkerRunContext {
 
 	private async getTargetContents() : Promise<string>{
 		const targetFile = this.getTargetFileOrThrow();
-		return await this.vault.read( targetFile );
+		return await this.vault.cachedRead( targetFile );
 	}
 
 	async fetch(): Promise<MarkerValue[]> {