Hi, i am using jo to transform a list of key-value-pairs to json.<br

I don't think we can do that, but this might work for you: <div class="highlight h

Yes, does not work for me. My looks like this: <div class="snippet-clipboar

Thanks a lot <a class="user-mention notranslate" data-hovercard-type="user" data-hover

Disable type coercion about jo HOT 6 CLOSED

marbon87 commented on August 12, 2024

Disable type coercion

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Comments (6)

gromgit commented on August 12, 2024 1

I want to disable the type coercion because the value always must be a string for the api.

That sounds like you want to force type coercion, not disable it.

For the general problem you're facing (assembling JSON from dynamic input), shell arrays are your friend. Here's a simplified rewrite of your example, including a numeric value (which you said should be coerced to a string for API consumption):

#!/usr/bin/env bash
INPUT_PARAMETER="
first=Hello World
second=Foo Bar
third=123
"
JO_PARAMETERS=("id=1")

while read -r line; do
  if [[ $line =~ (.*)=(.*) ]]; then
    key=${BASH_REMATCH[1]}
    value=${BASH_REMATCH[2]}
    echo ">> key: '${key}' value: '${value}'"
    JO_PARAMETERS+=("${key}=$(jo -- -s value="${value}")")
  fi
done <<<"${INPUT_PARAMETER}"

jo -p "${JO_PARAMETERS[@]}"

and here's what happens when you run it:

$ bash test.sh
>> key: 'first' value: 'Hello World'
>> key: 'second' value: 'Foo Bar'
>> key: 'third' value: '123'
{
   "id": 1,
   "first": {
      "value": "Hello World"
   },
   "second": {
      "value": "Foo Bar"
   },
   "third": {
      "value": "123"
   }
}

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jpmens commented on August 12, 2024

I don't think we can do that, but this might work for you:

jo -- -s $(echo foo=123)

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marbon87 commented on August 12, 2024

Unfortunately i cannot use that variant because i have nested json objects with whitespaces in the values and that does not work correctly for some reasons.

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jpmens commented on August 12, 2024

Have you tried quoting the shell variable "$( )"

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marbon87 commented on August 12, 2024

Yes, does not work for me. My script looks like this:

#!/usr/bin/env bash
set -o pipefail
set -o nounset
set -o xtrace

INPUT_PARAMETER="
first=Hello World
second=Foo Bar
"
JO_PARAMETERS="id=1"

if [[ "${INPUT_PARAMETER}" == *"="* ]]; then
  while IFS= read -r line; do
      IFS='=' read -a keyValuePair <<< "${line}"
      if [ ! -z "${keyValuePair:-}" ]; then # Ignore empty lines
        key=${keyValuePair[0]}
        value="${keyValuePair[1]}"

        echo ">> key: '${key}' value: '${value}'"
        JO_PARAMETERS+="\n${key},value=${value}"
      fi
  done <<< ${INPUT_PARAMETER}
fi

echo -e "${JO_PARAMETERS}" | jo -p -d,
jo -p -d, ${JO_PARAMETERS}

Compare the output from the last two commands

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marbon87 commented on August 12, 2024

Thanks a lot @gromgit, works like a charm.

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