Set list in a GitHub Actions workflow. And pass it to bash for processing.
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name: my workflow
on:
workflow_dispatch:
. . .
jobs:
jobA:
# . . .
steps:
- name: Print List
env:
MY_LIST: '"a","b","c"'
run: |
bash .github/scripts/print-list.sh
shell: bash
Then, in bash, loop over the list and do something with it.
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#!/bin/bash
# file: .github/scripts/print-list.sh
# check that env vars have been set
if [[ -z "${MY_LIST:-}" ]]; then
echo "ERROR: Missing env var MY_LIST"
exit 1
fi
# string processing via https://stackoverflow.com/a/35894538
for i in ${MY_LIST//,/ }
do
echo "$i"
# remove first and last quotes: https://stackoverflow.com/a/9733456
i_without_quotes=$(sed -e 's/^"//' -e 's/"$//' <<<"$i")
echo "$i"
done