More updates to the docs, and fixes to sync things with the docs.
-Erik
This commit is contained in:
Erik Andersen
parent
4fd10fc73b
commit
e5b6c7dd9c
@ -1,4 +1,5 @@
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0.43
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* Major update to the provided documentation.
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* Busybox now includes a shell! It currently costs 7.5 k (plus an
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additional 2.5 k if you compile in command line editing). Handles
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job control, has the usual set of builtins, and does everything
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@ -25,8 +25,8 @@
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#include <sys/types.h>
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static const char tty_usage[] = "tty\n\n"
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"Print the file name of the terminal connected to standard input.\n"
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"Print the file name of the terminal connected to standard input.\n\n"
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"Options:\n"
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"\t-s\tprint nothing, only return an exit status\n";
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extern int tty_main(int argc, char **argv)
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@ -28,15 +28,9 @@
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#include <errno.h>
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static const char uniq_usage[] =
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"uniq [OPTION]... [INPUT [OUTPUT]]\n"
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"Discard all but one of successive identical lines from INPUT (or\n"
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"standard input), writing to OUTPUT (or standard output).\n"
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"\n"
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"\t-h\tdisplay this help and exit\n"
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"\n"
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"A field is a run of whitespace, then non-whitespace characters.\n"
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"Fields are skipped before chars.\n";
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"uniq [OPTION]... [INPUT [OUTPUT]]\n\n"
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"Discard all but one of successive identical lines from INPUT\n"
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"(or standard input), writing to OUTPUT (or standard output).\n";
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/* max chars in line */
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#define UNIQ_MAX 4096
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@ -190,4 +184,4 @@ int uniq_main(int argc, char **argv)
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exit(0);
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}
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/* $Id: uniq.c,v 1.8 2000/04/13 01:18:56 erik Exp $ */
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/* $Id: uniq.c,v 1.9 2000/04/17 16:16:10 erik Exp $ */
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@ -25,7 +25,8 @@
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static const char wc_usage[] = "wc [OPTION]... [FILE]...\n\n"
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"Print line, word, and byte counts for each FILE, and a total line if\n"
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"more than one FILE is specified. With no FILE, read standard input.\n"
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"more than one FILE is specified. With no FILE, read standard input.\n\n"
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"Options:\n"
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"\t-c\tprint the byte counts\n"
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"\t-l\tprint the newline counts\n"
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@ -25,9 +25,7 @@
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#include <pwd.h>
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static const char whoami_usage[] = "whoami\n\n"
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"Print the user name associated with the current effective user id.\n"
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"Same as id -un.\n";
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"Prints the user name associated with the current effective user id.\n";
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extern int whoami_main(int argc, char **argv)
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{
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@ -27,12 +27,18 @@ extern int yes_main(int argc, char **argv)
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{
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int i;
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if (argc == 1)
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if (argc >=1 && *argv[1]=='-') {
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usage("yes [OPTION]... [STRING]...\n\n"
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"Repeatedly outputs a line with all specified STRING(s), or `y'.\n");
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}
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if (argc == 1) {
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while (1)
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if (puts("y") == EOF) {
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perror("yes");
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exit(FALSE);
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}
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}
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while (1)
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for (i = 1; i < argc; i++)
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127
docs/busybox.pod
127
docs/busybox.pod
@ -1290,6 +1290,10 @@ Example:
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=item sh
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Usage: sh
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lash -- the BusyBox LAme SHell (command interpreter)
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FIXME
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-------------------------------
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@ -1528,9 +1532,7 @@ Example:
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=item tr
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Usage:
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tr [-csu] string1 string2
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Usage: tr [-csu] string1 string2
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tr [-cu] -d string1
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tr [-cu] -s string1
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tr [-cu] -ds string1 string2
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@ -1559,67 +1561,162 @@ Example:
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=item tty
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FIXME
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Usage: tty
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Print the file name of the terminal connected to standard input.
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Options:
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-s print nothing, only return an exit status
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Example:
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$ tty
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/dev/tty2
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-------------------------------
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=item umount
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FIXME
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Usage: umount [flags] filesystem|directory
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Flags:
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-a: Unmount all file systems
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-r: Try to remount devices as read-only if mount is busy
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-f: Do not free loop device (if a loop device has been used)
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Example:
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$ umount /dev/hdc1
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-------------------------------
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=item uname
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FIXME
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Usage: uname [OPTION]...
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Print certain system information. With no OPTION, same as -s.
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Options:
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-a print all information
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-m the machine (hardware) type
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-n print the machine's network node hostname
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-r print the operating system release
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-s print the operating system name
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-p print the host processor type
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-v print the operating system version
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Example:
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$ uname -a
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Linux debian 2.2.15pre13 #5 Tue Mar 14 16:03:50 MST 2000 i686 unknown
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-------------------------------
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=item uniq
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FIXME
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Usage: uniq [OPTION]... [INPUT [OUTPUT]]
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Discard all but one of successive identical lines from INPUT
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(or standard input), writing to OUTPUT (or standard output).
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Example:
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$ echo -e "a\na\nb\nc\nc\na" | sort | uniq
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a
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b
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c
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-------------------------------
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=item update
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FIXME
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Usage: update [options]
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Periodically flushes filesystem buffers.
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Options:
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-S force use of sync(2) instead of flushing
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-s SECS call sync this often (default 30)
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-f SECS flush some buffers this often (default 5)
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-------------------------------
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=item uptime
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FIXME
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Usage: uptime
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Tells how long the system has been running since boot.
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Example:
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$ uptime
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1:55pm up 2:30, load average: 0.09, 0.04, 0.00
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-------------------------------
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=item usleep
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FIXME
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Usage: usleep N
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Pauses for N microseconds.
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Example:
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$ usleep 1000000
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[pauses for 1 second]
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-------------------------------
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=item wc
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FIXME
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Usage: wc [OPTION]... [FILE]...
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Print line, word, and byte counts for each FILE, and a total line if
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more than one FILE is specified. With no FILE, read standard input.
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Options:
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-c print the byte counts
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-l print the newline counts
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-L print the length of the longest line
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-w print the word counts
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Example:
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$ wc /etc/passwd
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31 46 1365 /etc/passwd
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-------------------------------
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=item whoami
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FIXME
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Usage: whoami
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Prints the user name associated with the current effective user id.
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Example:
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$ whoami
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andersen
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-------------------------------
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=item yes
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FIXME
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Usage: yes [OPTION]... [STRING]...
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Repeatedly outputs a line with all specified STRING(s), or `y'.
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-------------------------------
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=item zcat
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FIXME
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This is essentially an alias for invoking "gunzip -c", where
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it decompresses the file inquestion and send the output to stdout.
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-------------------------------
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@ -1684,4 +1781,4 @@ Enrique Zanardi <ezanardi@ull.es>
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=cut
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# $Id: busybox.pod,v 1.12 2000/04/17 05:13:59 beppu Exp $
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# $Id: busybox.pod,v 1.13 2000/04/17 16:16:10 erik Exp $
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5
lash.c
5
lash.c
@ -961,9 +961,12 @@ int shell_main(int argc, char **argv)
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fprintf(stdout, "\n\nBusyBox v%s (%s) Built-in shell\n", BB_VER, BB_BT);
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fprintf(stdout, "Enter 'help' for a list of built-in commands.\n\n");
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} else {
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if (*argv[1]=='-') {
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usage("sh\n\nlash -- the BusyBox LAme SHell (command interpreter)\n");
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}
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input = fopen(argv[1], "r");
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if (!input) {
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fatalError("A: Couldn't open file '%s': %s\n", argv[1],
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fatalError("sh: Couldn't open file '%s': %s\n", argv[1],
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strerror(errno));
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}
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}
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@ -35,10 +35,12 @@ _syscall2(int, bdflush, int, func, int, data);
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#endif /* __GLIBC__ */
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static char update_usage[] =
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"update [options]\n"
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" -S\tforce use of sync(2) instead of flushing\n"
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" -s SECS\tcall sync this often (default 30)\n"
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" -f SECS\tflush some buffers this often (default 5)\n";
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"update [options]\n\n"
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"Periodically flushes filesystem buffers.\n\n"
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"Options:\n"
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"\t-S\tforce use of sync(2) instead of flushing\n"
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"\t-s SECS\tcall sync this often (default 30)\n"
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"\t-f SECS\tflush some buffers this often (default 5)\n";
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static unsigned int sync_duration = 30;
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static unsigned int flush_duration = 5;
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@ -48,6 +50,8 @@ extern int update_main(int argc, char **argv)
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{
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int pid;
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argc--;
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argv++;
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while (**argv == '-') {
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while (*++(*argv)) {
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switch (**argv) {
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@ -62,6 +66,8 @@ extern int update_main(int argc, char **argv)
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if (--argc < 1) usage(update_usage);
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flush_duration = atoi(*(++argv));
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break;
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default:
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usage(update_usage);
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}
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}
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argc--;
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@ -100,7 +106,7 @@ extern int update_main(int argc, char **argv)
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}
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}
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}
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return TRUE;
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exit( TRUE);
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}
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/*
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5
sh.c
5
sh.c
@ -961,9 +961,12 @@ int shell_main(int argc, char **argv)
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fprintf(stdout, "\n\nBusyBox v%s (%s) Built-in shell\n", BB_VER, BB_BT);
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fprintf(stdout, "Enter 'help' for a list of built-in commands.\n\n");
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} else {
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if (*argv[1]=='-') {
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usage("sh\n\nlash -- the BusyBox LAme SHell (command interpreter)\n");
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}
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input = fopen(argv[1], "r");
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if (!input) {
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fatalError("A: Couldn't open file '%s': %s\n", argv[1],
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fatalError("sh: Couldn't open file '%s': %s\n", argv[1],
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strerror(errno));
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}
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}
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@ -961,9 +961,12 @@ int shell_main(int argc, char **argv)
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fprintf(stdout, "\n\nBusyBox v%s (%s) Built-in shell\n", BB_VER, BB_BT);
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fprintf(stdout, "Enter 'help' for a list of built-in commands.\n\n");
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} else {
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if (*argv[1]=='-') {
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usage("sh\n\nlash -- the BusyBox LAme SHell (command interpreter)\n");
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}
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input = fopen(argv[1], "r");
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if (!input) {
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fatalError("A: Couldn't open file '%s': %s\n", argv[1],
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fatalError("sh: Couldn't open file '%s': %s\n", argv[1],
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strerror(errno));
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}
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}
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4
tty.c
4
tty.c
@ -25,8 +25,8 @@
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#include <sys/types.h>
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static const char tty_usage[] = "tty\n\n"
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"Print the file name of the terminal connected to standard input.\n"
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"Print the file name of the terminal connected to standard input.\n\n"
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"Options:\n"
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"\t-s\tprint nothing, only return an exit status\n";
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extern int tty_main(int argc, char **argv)
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14
uniq.c
14
uniq.c
@ -28,15 +28,9 @@
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#include <errno.h>
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static const char uniq_usage[] =
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"uniq [OPTION]... [INPUT [OUTPUT]]\n"
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"Discard all but one of successive identical lines from INPUT (or\n"
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"standard input), writing to OUTPUT (or standard output).\n"
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"\n"
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"\t-h\tdisplay this help and exit\n"
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"\n"
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"A field is a run of whitespace, then non-whitespace characters.\n"
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"Fields are skipped before chars.\n";
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"uniq [OPTION]... [INPUT [OUTPUT]]\n\n"
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"Discard all but one of successive identical lines from INPUT\n"
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"(or standard input), writing to OUTPUT (or standard output).\n";
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/* max chars in line */
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#define UNIQ_MAX 4096
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@ -190,4 +184,4 @@ int uniq_main(int argc, char **argv)
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exit(0);
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}
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/* $Id: uniq.c,v 1.8 2000/04/13 01:18:56 erik Exp $ */
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/* $Id: uniq.c,v 1.9 2000/04/17 16:16:10 erik Exp $ */
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16
update.c
16
update.c
@ -35,10 +35,12 @@ _syscall2(int, bdflush, int, func, int, data);
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#endif /* __GLIBC__ */
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static char update_usage[] =
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"update [options]\n"
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" -S\tforce use of sync(2) instead of flushing\n"
|
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" -s SECS\tcall sync this often (default 30)\n"
|
||||
" -f SECS\tflush some buffers this often (default 5)\n";
|
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"update [options]\n\n"
|
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"Periodically flushes filesystem buffers.\n\n"
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"Options:\n"
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"\t-S\tforce use of sync(2) instead of flushing\n"
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"\t-s SECS\tcall sync this often (default 30)\n"
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"\t-f SECS\tflush some buffers this often (default 5)\n";
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static unsigned int sync_duration = 30;
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static unsigned int flush_duration = 5;
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@ -48,6 +50,8 @@ extern int update_main(int argc, char **argv)
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{
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int pid;
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argc--;
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argv++;
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while (**argv == '-') {
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while (*++(*argv)) {
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switch (**argv) {
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@ -62,6 +66,8 @@ extern int update_main(int argc, char **argv)
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if (--argc < 1) usage(update_usage);
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flush_duration = atoi(*(++argv));
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break;
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default:
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usage(update_usage);
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}
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}
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argc--;
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@ -100,7 +106,7 @@ extern int update_main(int argc, char **argv)
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}
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}
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}
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return TRUE;
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exit( TRUE);
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}
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/*
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3
wc.c
3
wc.c
@ -25,7 +25,8 @@
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static const char wc_usage[] = "wc [OPTION]... [FILE]...\n\n"
|
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"Print line, word, and byte counts for each FILE, and a total line if\n"
|
||||
"more than one FILE is specified. With no FILE, read standard input.\n"
|
||||
"more than one FILE is specified. With no FILE, read standard input.\n\n"
|
||||
"Options:\n"
|
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"\t-c\tprint the byte counts\n"
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"\t-l\tprint the newline counts\n"
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|
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4
whoami.c
4
whoami.c
@ -25,9 +25,7 @@
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#include <pwd.h>
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|
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static const char whoami_usage[] = "whoami\n\n"
|
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"Print the user name associated with the current effective user id.\n"
|
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|
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"Same as id -un.\n";
|
||||
"Prints the user name associated with the current effective user id.\n";
|
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|
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extern int whoami_main(int argc, char **argv)
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{
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8
yes.c
8
yes.c
@ -27,12 +27,18 @@ extern int yes_main(int argc, char **argv)
|
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{
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int i;
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|
||||
if (argc == 1)
|
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if (argc >=1 && *argv[1]=='-') {
|
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usage("yes [OPTION]... [STRING]...\n\n"
|
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"Repeatedly outputs a line with all specified STRING(s), or `y'.\n");
|
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}
|
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|
||||
if (argc == 1) {
|
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while (1)
|
||||
if (puts("y") == EOF) {
|
||||
perror("yes");
|
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exit(FALSE);
|
||||
}
|
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}
|
||||
|
||||
while (1)
|
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for (i = 1; i < argc; i++)
|
||||
|
||||
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Reference in New Issue
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