Lots of updates. Finished implementing BB_FEATURE_TRIVIAL_HELP
which lets you compile out most of the "--help" output, saving up to 17k. Renamed mnc to nc. -Erik
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@ -47,6 +47,9 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <ctype.h>
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#define BB_DECLARE_EXTERN
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#define bb_need_help
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#include "messages.c"
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#define XWRITE(fd, buffer, n_bytes) \
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@ -70,15 +73,18 @@ static int forever;
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static int print_headers;
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const char tail_usage[] =
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"tail [OPTION] [FILE]...\n\n"
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"Print last 10 lines of each FILE to standard output.\n"
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"tail [OPTION] [FILE]...\n"
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#ifndef BB_FEATURE_TRIVIAL_HELP
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"\nPrint last 10 lines of each FILE to standard output.\n"
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"With more than one FILE, precede each with a header giving the\n"
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"file name. With no FILE, or when FILE is -, read standard input.\n\n"
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"Options:\n"
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"\t-n NUM\t\tPrint last NUM lines instead of first 10\n"
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"\t-f\t\tOutput data as the file grows. This version\n"
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"\t\t\tof 'tail -f' supports only one file at a time.\n";
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"\t\t\tof 'tail -f' supports only one file at a time.\n"
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#endif
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;
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static void write_header(const char *filename)
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@ -512,9 +518,9 @@ char *program_name;
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static int have_read_stdin;
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static const char tail_usage[] = "tail [OPTION]... [FILE]...\n\
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\n\
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Print last 10 lines of each FILE to standard output.\n\
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static const char tail_usage[] = "tail [OPTION]... [FILE]...\n"
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#ifndef BB_FEATURE_TRIVIAL_HELP
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"\nPrint last 10 lines of each FILE to standard output.\n\
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With more than one FILE, precede each with a header giving the file name.\n\
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With no FILE, or when FILE is -, read standard input.\n\
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\n\
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@ -523,11 +529,12 @@ With no FILE, or when FILE is -, read standard input.\n\
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-n=N output the last N lines, instead of last 10\n\
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-q never output headers giving file names\n\
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-v always output headers giving file names\n\
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--help display this help and exit\n\
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\n\
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If the first character of N (bytes or lines) is a `+', output begins with \n\
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the Nth item from the start of each file, otherwise, print the last N items\n\
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in the file. N bytes may be suffixed by k (x1024), b (x512), or m (1024^2).\n\n";
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in the file. N bytes may be suffixed by k (x1024), b (x512), or m (1024^2).\n"
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#endif
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;
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static void write_header(const char *filename, const char *comment)
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{
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