30 lines
1.1 KiB
Bash
Executable File
30 lines
1.1 KiB
Bash
Executable File
#=== FUNCTION ================================================================
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# NAME: read_and_check
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# DESCRIPTION: Reads a value (see read_value) and checks it (see check_value)
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# against an arbitrary long list of Bash regular expressions
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# PARAMETERS: 1 - Prompt string for the read
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# 2 - Name of variable to receive the result
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# 3 - Default value (optional)
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# 4..n - Valid regular expressions
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# RETURNS: Nothing
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#===============================================================================
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read_and_check () {
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local prompt="${1:?Usage: read_and_check prompt outputname [default] list_of_regex}"
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local outputname="${2:?Usage: read_and_check prompt outputname [default] list_of_regex}"
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local default="${3:-}"
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if ! read_value "$prompt" "$outputname" "$default"; then
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return 1
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fi
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shift 3
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until check_value "${!outputname}" "$@"
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do
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echo "Invalid input: ${!outputname}"
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if ! read_value "$prompt" "$outputname" "$default"; then
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return 1
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fi
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done
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return 0
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}
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