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Chet Ramey
26 lines
364 B
Plaintext
26 lines
364 B
Plaintext
IFS='' # testing with only empty IFS
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set -- this is a test
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printf '|%s|\n' ${1+"$@"}
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echo
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printf '|%s|\n' "${1+$@}"
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echo
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printf '|%s|\n' "$@"
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echo
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printf '|%s|\n' ${1-"$@"}
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printf '|%s|\n' "${1-$@}"
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echo
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: ${foo:="$@"}
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printf '|%s|\n' "$foo"
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unset foo
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: "${foo:=$@}"
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printf '|%s|\n' "$foo"
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unset foo
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printf '|%s|\n' ${foo-"$@"}
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printf '|%s|\n' "${foo-$@}"
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