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echo T.builtin: test miscellaneous builtin functions
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awk=${awk-../a.out}
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$awk 'BEGIN { print index(123, substr(123, 2)) }' >foo1
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echo 2 >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin (index/substr)'
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$awk 'BEGIN {
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pi = 2 * atan2(1, 0)
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printf("%.5f %.3f %.3f %.5f %.3f\n",
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pi, sin(pi), cos(pi/2), exp(log(pi)), log(exp(10)))
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}' >foo1
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echo '3.14159 0.000 0.000 3.14159 10.000' >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin (sin/cos)'
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$awk 'BEGIN {
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s = srand(1) # set a real random start
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for (i = 1; i <= 10; i++)
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print rand() >"foo1"
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srand(s) # reset it
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for (i = 1; i <= 10; i++)
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print rand() >"foo2"
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}'
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diff foo1 foo2 || echo 'BAD: T.builtin (rand)'
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echo 'hello, WORLD!' |
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$awk '{ printf("%s|%s|%s\n", tolower($0), toupper($0), $0)}' >foo1
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echo 'hello, world!|HELLO, WORLD!|hello, WORLD!' >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin (toupper/tolower)'
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if locale -a | grep -qsi de_DE.UTF-8; then
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(export LANG=de_DE.UTF-8 && echo 'Dürst' |
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$awk '{ printf("%s|%s|%s\n", tolower($0), toupper($0), $0)}') >foo1
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echo 'dürst|DÜRST|Dürst' >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin (toupper/tolower) for utf-8'
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(export LC_NUMERIC=de_DE.UTF-8 && $awk 'BEGIN { print 0.01 }' /dev/null) >foo1
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echo "0.01" >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin LC_NUMERIC radix (.) handling'
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fi
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$awk 'BEGIN {
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j = 1; sprintf("%d", 99, ++j) # does j get incremented?
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if (j != 2)
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print "BAD: T.builtin (printf arg list not evaluated)"
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}'
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$awk 'BEGIN {
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j = 1; substr("", 1, ++j) # does j get incremented?
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if (j != 2)
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print "BAD: T.builtin (substr arg list not evaluated)"
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}'
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$awk 'BEGIN {
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j = 1; sub(/1/, ++j, z) # does j get incremented?
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if (j != 2)
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print "BAD: T.builtin (sub() arg list not evaluated)"
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}'
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$awk 'BEGIN {
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j = 1; length("zzzz", ++j, ++j) # does j get incremented?
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if (j != 3)
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print "BAD: T.builtin (excess length args not evaluated)"
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}' 2>foo
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grep 'too many arg' foo >/dev/null || echo 'T.bad: too many args not caught'
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echo 'a
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a b
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a b c' >foo0
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echo '1
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2
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3' >foo1
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$awk '{ n = split($0, x); print length(x) }' <foo0 >foo2
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diff foo1 foo2 || echo 'BAD: T.builtin length array'
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# Test for backslash handling
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cat << \EOF >foo0
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BEGIN {
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print "A\
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B";
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print "CD"
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}
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EOF
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$awk -f foo0 /dev/null >foo1
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cat << \EOF >foo2
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AB
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CD
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EOF
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diff foo1 foo2 || echo 'BAD: T.builtin continuation handling (backslash)'
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