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author | Warner Losh <imp@FreeBSD.org> | 2021-07-19 22:47:30 -0600 |
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committer | Warner Losh <imp@FreeBSD.org> | 2021-07-20 08:10:50 -0600 |
commit | 45dab2a7e08ac950c8838e1b01f8d8439e2f0f7c (patch) | |
tree | d3e4410d7884d799040a074186836a78d1407e72 | |
parent | c0f4e97e4561ff42544e92512bbaf3d7d1f6a671 (diff) | |
download | one-true-awk-45dab2a7e08ac950c8838e1b01f8d8439e2f0f7c.tar.gz |
awk: Make -F '' and -v FS="" behave the same
IEEE Std 1003.1-2008 mandates that -F str be treated the same as -v
FS=str. For a null string, this was not the case. Since awk(1) documents
that a null string for FS has a specific behavior, make -F '' behave
consistently with -v FS="".
PR:
upstream issue: https://github.com/onetrueawk/awk/issues/127
Sponsored by: Netflix
-rw-r--r-- | main.c | 6 |
1 files changed, 1 insertions, 5 deletions
@@ -91,9 +91,7 @@ setfs(char *p) /* wart: t=>\t */ if (p[0] == 't' && p[1] == '\0') return "\t"; - else if (p[0] != '\0') - return p; - return NULL; + return p; } static char * @@ -169,8 +167,6 @@ int main(int argc, char *argv[]) break; case 'F': /* set field separator */ fs = setfs(getarg(&argc, &argv, "no field separator")); - if (fs == NULL) - WARNING("field separator FS is empty"); break; case 'v': /* -v a=1 to be done NOW. one -v for each */ vn = getarg(&argc, &argv, "no variable name"); |