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Update to the tail rewrite by "Allen Soard" <esp-software@mail.hypermart.net>

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-Erik
This commit is contained in:
Eric Andersen
2000-08-02 16:42:58 +00:00
parent 080d51bf45
commit d5fa3e3e9a
5 changed files with 221 additions and 199 deletions
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42
applets/usage.c
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@@ -1017,7 +1017,6 @@ const char syslogd_usage[] =
#endif
#if defined BB_TAIL
#if defined BB_FEATURE_SIMPLE_TAIL
const char tail_usage[] =
"tail [OPTION] [FILE]...\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
@@ -1025,33 +1024,26 @@ const char tail_usage[] =
"With more than one FILE, precede each with a header giving the\n"
"file name. With no FILE, or when FILE is -, read standard input.\n\n"
"Options:\n"
"\t-n NUM\t\tPrint last NUM lines instead of first 10\n"
"\t-f\t\tOutput data as the file grows. This version\n"
"\t\t\tof 'tail -f' supports only one file at a time.\n"
#ifndef BB_FEATURE_SIMPLE_TAIL
"\t-c=N[kbm]\toutput the last N bytes\n"
#endif
;
#else /* ! defined BB_FEATURE_SIMPLE_TAIL */
const char tail_usage[] =
"tail [OPTION]... [FILE]...\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\nPrint last 10 lines of each FILE to standard output.\n"
"With more than one FILE, precede each with a header giving the file name.\n"
"With no FILE, or when FILE is -, read standard input.\n"
"\n"
" -c=N[kbm] output the last N bytes\n"
" -f output appended data as the file grows\n"
" -n=N output the last N lines, instead of last 10\n"
" -q never output headers giving file names\n"
" -v always output headers giving file names\n"
"\n"
"\t-n NUM\t\tPrint last NUM lines instead of first 10\n"
"\t\t\tAlso can be -NUM or +NUM.\n"
"\t-f\t\tOutput data as the file grows.\n"
#ifndef BB_FEATURE_SIMPLE_TAIL
"\t-q\t\tnever output headers giving file names\n"
"\t-s SEC\t\tWait SEC seconds between reads with -f\n"
"\t-v\t\talways output headers giving file names\n\n"
"If the first character of N (bytes or lines) is a `+', output begins with \n"
"the Nth item from the start of each file, otherwise, print the last N items\n"
"in the file. N bytes may be suffixed by k (x1024), b (x512), or m (1024^2).\n"
"in the file. N bytes may be suffixed by k (x1024), b (x512), or m (1024^2).\n"
//#else
// "\nIf the first character of N (bytes or lines) is a `+', output begins with \n"
// "the Nth item from the start of each file.\n"
#endif
#endif
;
#endif
#endif
#if defined BB_TAR
const char tar_usage[] =
@@ -1061,9 +1053,9 @@ const char tar_usage[] =
"tar -[xtvO] "
#endif
#if defined BB_FEATURE_TAR_EXCLUDE
"[--exclude File] "
"[-X File(s)] "
#endif
"[-f tarFile] [FILE] ...\n"
"[-f tarFile] [FILE(s)] ...\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\nCreate, extract, or list files from a tar file. Note that\n"
"this version of tar treats hard links as separate files.\n\n"
@@ -1077,7 +1069,7 @@ const char tar_usage[] =
"\tf\t\tname of tarfile or \"-\" for stdin\n"
"\tO\t\textract to stdout\n"
#if defined BB_FEATURE_TAR_EXCLUDE
"\t--exclude\tfile to exclude\n"
"\tX\t\tfile(s) to exclude\n"
#endif
"\nInformative output:\n"
"\tv\t\tverbosely list files processed\n"