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Support the obsolete '+' option

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This commit is contained in:
Glenn L McGrath 2002-12-23 11:54:56 +00:00
parent c00c56e7c8
commit 76ff0da4d2
1 changed files with 19 additions and 4 deletions
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23
coreutils/tail.c
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@ -69,12 +69,27 @@ int tail_main(int argc, char **argv)
char *s, *start, *end, buf[BUFSIZ];
int i, opt;
if (( argc >= 2 ) && ( argv [1][0] == '-' ) && isdigit ( argv [1][1] )) {
count = atoi ( &argv [1][1] );
optind = 2;
if (argc >= 2) {
int line_num;
switch (argv[1][0]) {
case '+':
from_top = 1;
/* FALLS THROUGH */
case '-':
line_num = atoi(&argv[1][1]);
if (line_num != 0) {
optind = 2;
count = line_num;
}
break;
}
}
while ((opt = getopt(argc, argv, "c:fhn:q:s:v")) > 0) {
#ifdef CONFIG_FEATURE_FANCY_TAIL
while ((opt = getopt(argc, argv, "c:fn:q:s:v")) > 0) {
#else
while ((opt = getopt(argc, argv, "fn:")) > 0) {
#endif
switch (opt) {
case 'f':
follow = 1;