inputFiles=$(ls src/ru/src/*.md) outputFiles=$(ls src/en/src/*.md) for inputFile,outputFile in inputFiles,outputFiles do python3.9 ${1} --file ${inputFile} --output ${outputFile} done buildEnglishTranslation() { cd src/en/ mdbook build } buildRussianTranslations() { cd src/ru/ mdbook build } buildEnglishTranslation cd ../../ buildRussianTranslations