[Bug 180328] awk(1) fails to treat var as integer

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=180328

Jason W. Bacon <jwb at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jwb at freebsd.org

--- Comment #4 from Jason W. Bacon <jwb at freebsd.org> ---

I ran into something similar, also solved using

if ( var1 + 0 < var2 )

For data read using getline, the behavior differs from mawk and gawk from
ports.  I'm not sure if this should be regarded as a bug, but it should at
least be documented.

Here's a minimal test case:

BEGIN {
    x="10"
    y="9"
    printf("%s\n", x < y);  # Always 1

    x=10
    y=9
    printf("%s\n", x < y);  # Always 0

    getline x < "xy.txt"
    getline y < "xy.txt"
    printf("%s %s\n", x, y);   # Prove we're using values from getline
    printf("%s\n", x < y);     # awk 1, mawk and gawk 0
}

xy.txt:

11
8

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