10 lines
180 B
Plaintext
10 lines
180 B
Plaintext
dnl ../doc/m4.texinfo:2955: Origin of test
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syscmd(`false')
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dnl @result{}
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ifelse(sysval, 0, zero, non-zero)
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dnl @result{}non-zero
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syscmd(`true')
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dnl @result{}
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sysval
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dnl @result{}0
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