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36 lines
1.2 KiB
Plaintext
Executable File
36 lines
1.2 KiB
Plaintext
Executable File
# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_check_awk_array_in.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_AWK_ARRAY_IN([ACTION-IF-SUCCESS],[ACTION-IF-FAILURE])
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#
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# DESCRIPTION
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#
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# Check if AWK supports 'in' on array. If successful execute
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# ACTION-IF-SUCCESS otherwise ACTION-IF-FAILURE.
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#
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# This work is heavily based upon testawk.sh script by Heiner Steven. You
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# should find his script (and related works) at
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# <http://www.shelldorado.com/articles/awkcompat.html>. Thanks to
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# Alessandro Massignan for his suggestions and extensive nawk tests on
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# FreeBSD.
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#
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# LICENSE
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#
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# Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 9
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AC_DEFUN([AX_CHECK_AWK_ARRAY_IN], [
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AX_TRY_AWK_EXPOUT([array in],
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[],[ i="x"; a[i]="1"; if (! (i in a)) exit (1) ],[],
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[$1],[$2])
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])
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