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-rw-r--r--applets/usage.c42
1 files changed, 17 insertions, 25 deletions
diff --git a/applets/usage.c b/applets/usage.c
index 3f367f9b1..1e2eb64cc 100644
--- a/applets/usage.c
+++ b/applets/usage.c
@@ -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
@@ -1025,32 +1024,25 @@ 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
#if defined BB_TAR
@@ -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"