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This is sometimes used with eval or old-style command substitution, and most shells other than ash derivatives allow it. It can also be used with scripts that violate POSIX's requirement on the application that they end in a newline (scripts must be text files except that line length is unlimited). Example: v=`cat <<EOF foo EOF` echo $v This commit does not add support for the similar construct with new-style command substitution, like v=$(cat <<EOF foo EOF) This continues to require a newline after the terminator.
26 lines
255 B
Text
26 lines
255 B
Text
# $FreeBSD$
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failures=''
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check() {
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if eval "[ $* ]"; then
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:
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else
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echo "Failed: $*"
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failures=x$failures
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fi
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}
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check '`cat <<EOF
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foo
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EOF` = foo'
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check '"`cat <<EOF
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foo
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EOF`" = foo'
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check '`eval "cat <<EOF
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foo
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EOF"` = foo'
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test "x$failures" = x
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