34 lines
427 B
Plaintext
34 lines
427 B
Plaintext
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f() { echo start:; for i; do echo "|$i|"; done; echo end; }
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x=a
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echo "Unquoted '':"
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f ${x:+''}
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f ${x:+'' }
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f ${x:+ ''}
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f ${x:+ '' }
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f ${x:+'' ''}
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echo
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echo 'Unquoted "":'
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f ${x:+""}
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f ${x:+"" }
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f ${x:+ ""}
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f ${x:+ "" }
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f ${x:+"" ""}
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echo
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echo "Quoted '':"
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f "${x:+''}"
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f "${x:+'' }"
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f "${x:+ ''}"
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f "${x:+ '' }"
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f "${x:+'' ''}"
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echo
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echo 'Quoted "":'
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f "${x:+""}"
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f "${x:+"" }"
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f "${x:+ ""}"
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f "${x:+ "" }"
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f "${x:+"" ""}"
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