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Show error message and exit if $FOO is unset (or null)

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NiFrA answered on March 31, 2022 Popularity 1/10 Helpfulness 1/10

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  • answer Show error message and exit if $FOO is unset (or null)
  • related Show error message and exit if $FOO is unset (or null)

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  • Encountered null while assembling a row with handleInvalid = "error". Consider removing nulls from dataset or using handleInvalid = "keep" or "skip".
  • $FOO, or val if unset (or null)
  • Set $FOO to val if unset (or null)
  • val if $FOO is set (and not null)

    • Show error message and exit if $FOO is unset (or null)

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    Popularity 1/10 Helpfulness 1/10 Language whatever
    Source: devhints.io
    Tags: exit message show unset whatever
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    NiFrA
    Contributed on Mar 31 2022
    NiFrA
    0 Answers  Avg Quality 2/10

    Closely Related Answers



    Show error message and exit if $FOO is unset (or null)

    Comment
    0
    Popularity 1/10 Helpfulness 1/10 Language shell
    Source: devhints.io
    Tags: unset exit shell message show
    Link to this answer
    Share Copy Link
    NiFrA
    Contributed on Mar 31 2022
    NiFrA
    0 Answers  Avg Quality 2/10

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