49 lines
1.3 KiB
Bash
49 lines
1.3 KiB
Bash
#!/bin/bash
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# Utility functions/procedures
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#
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# Copyright (C) 2014 Mike Gerwitz
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#
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# This file is part of shspec.
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#
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# shspec is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# These algorithms will often use looping constructs in favor of recursion
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# for performance reasons.
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##
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[ -z $__INC_UTIL ] || return
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__INC_UTIL=1
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##
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# Array functions/procedures ("a" prefix)
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#
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##
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# Asserts that all given values are zero
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#
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# This is perhaps mose useful for PIPESTATUS evaluation (the pipefail option
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# may not be available). If any value is non-zero, it will immediately
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# terminate with a non-zero status.
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aok()
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{
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local -ar arr=("$@")
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local -i i="${#arr[@]}"
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while ((i--)); do
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test "${arr[i]}" -eq 0 || return
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done &>/dev/null
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}
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