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seq: fix yet another case of negative parameters not working

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2023-04-11 20:29:59 +02:00
parent cb57abb46f
commit 478b5ac2bc
2 changed files with 7 additions and 2 deletions
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8
coreutils/seq.c
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@ -57,8 +57,12 @@ int seq_main(int argc, char **argv)
saved = argv[++n];
if (!saved)
break;
if (saved[0] != '-')
break;
if (saved[0] != '-') {
// break; // "seq -s : -1 1" won't be treated correctly
continue;
}
// "seq -s -1 1 9" is not treated correctly, but such usage
// (delimiter string which looks like negative number) is very unlikely
c = saved[1];
if (c == '.' || (c >= '0' && c <= '9')) {
argv[n] = NULL;

1
testsuite/seq.tests
View File

@ -45,5 +45,6 @@ testing "seq count by .3 with padding 2" "seq -w 03 .3 0004" "0003.0\n0003.3\n00
testing "seq from -4 count down by 2" "seq -4 -2 -8" "-4\n-6\n-8\n" "" ""
testing "seq from -.0 count down by .25" "seq -.0 -.25 -.9" "-0.00\n-0.25\n-0.50\n-0.75\n" "" ""
testing "seq -s : with negative start" "seq -s : -1 1" "-1:0:1\n" "" ""
exit $FAILCOUNT