18 lines
408 B
Bash
Executable File
18 lines
408 B
Bash
Executable File
#!/bin/bash
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# Output short and long options from man/usage text
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set -o errexit -o pipefail -o nounset
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main() {
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declare tmp
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tmp=$(mktemp)
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cat > "$tmp"
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sed -rn 's/.* (-[a-zA-Z0-9]).*/\1/gp' < "$tmp"
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# Do not print '=' after long options with arg because it makes completion
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# for option arguments harder.
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sed -rn 's/.* (--[a-zA-Z][-_a-zA-Z0-9]*)=?.*/\1/gp' < "$tmp"
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}
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main "$@"
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