Read from files

build-theme.sh

#!/bin/bash

# places to read files from
paths=("../src/themes/**/index.js" "../src/themes/base.js")

rm -rf ./tmp/themes
mkdir -p ./tmp/themes

# this was an experiement to add dynamic files for tests
# in Storybook.
# reads files from all locations in $paths
for story in ${paths[@]}; do
  if [ -f "$story" ]; then
    temp=./tmp/$story
    
    # examples of ways to manipulate the filename
    # with replacing text in the filename
    temp="${temp/\.\.\/src\//}"
    temp="${temp/\/index\.js/.js}"
    
    # read story into the variable
    body="$(<$story)"
    
    # write the variable into the new file 
    echo $body > $temp
    
    echo "Wrote $story to $temp"
  fi
done