/* Input parsing code is always bulky - used heavy duty libc stuff as
much as possible, missed out a lot of bounds checking */
-/* Default input handling to save surprising some people */
-
-/* GNU coreutils 6.9 man page:
- * date [OPTION]... [+FORMAT]
- * date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
- * -d, --date=STRING
- * display time described by STRING, not `now'
- * -f, --file=DATEFILE
- * like --date once for each line of DATEFILE
- * -r, --reference=FILE
- * display the last modification time of FILE
- * -R, --rfc-2822
- * output date and time in RFC 2822 format.
- * Example: Mon, 07 Aug 2006 12:34:56 -0600
- * --rfc-3339=TIMESPEC
- * output date and time in RFC 3339 format.
- * TIMESPEC='date', 'seconds', or 'ns'
- * Date and time components are separated by a single space:
- * 2006-08-07 12:34:56-06:00
- * -s, --set=STRING
- * set time described by STRING
- * -u, --utc, --universal
- * print or set Coordinated Universal Time
- *
- * Busybox:
- * long options are not supported
- * -f is not supported
- * -I seems to roughly match --rfc-3339, but -I has _optional_ param
- * (thus "-I seconds" doesn't work, only "-Iseconds"),
- * and does not support -Ins
- * -D FMT is a bbox extension for _input_ conversion of -d DATE
- */
+//applet:IF_DATE(APPLET(date, _BB_DIR_BIN, _BB_SUID_DROP))
//kbuild:lib-$(CONFIG_DATE) += date.o
//config: Enable option (-I) to output an ISO-8601 compliant
//config: date/time string.
//config:
+//config:# defaults to "no": stat's nanosecond field is a bit non-portable
//config:config FEATURE_DATE_NANO
//config: bool "Support %[num]N nanosecond format specifier"
//config: default n
//config: the same format. With it on, 'date DATE' additionally supports
//config: MMDDhhmm[[YY]YY][.ss] format.
+/* GNU coreutils 6.9 man page:
+ * date [OPTION]... [+FORMAT]
+ * date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
+ * -d, --date=STRING
+ * display time described by STRING, not `now'
+ * -f, --file=DATEFILE
+ * like --date once for each line of DATEFILE
+ * -r, --reference=FILE
+ * display the last modification time of FILE
+ * -R, --rfc-2822
+ * output date and time in RFC 2822 format.
+ * Example: Mon, 07 Aug 2006 12:34:56 -0600
+ * --rfc-3339=TIMESPEC
+ * output date and time in RFC 3339 format.
+ * TIMESPEC='date', 'seconds', or 'ns'
+ * Date and time components are separated by a single space:
+ * 2006-08-07 12:34:56-06:00
+ * -s, --set=STRING
+ * set time described by STRING
+ * -u, --utc, --universal
+ * print or set Coordinated Universal Time
+ *
+ * Busybox:
+ * long options are not supported
+ * -f is not supported
+ * -I seems to roughly match --rfc-3339, but -I has _optional_ param
+ * (thus "-I seconds" doesn't work, only "-Iseconds"),
+ * and does not support -Ins
+ * -D FMT is a bbox extension for _input_ conversion of -d DATE
+ */
+
+//usage:#define date_trivial_usage
+//usage: "[OPTIONS] [+FMT] [TIME]"
+//usage:#define date_full_usage "\n\n"
+//usage: "Display time (using +FMT), or set time\n"
+//usage: "\nOptions:"
+//usage: IF_NOT_LONG_OPTS(
+//usage: "\n [-s] TIME Set time to TIME"
+//usage: "\n -u Work in UTC (don't convert to local time)"
+//usage: "\n -R Output RFC-2822 compliant date string"
+//usage: ) IF_LONG_OPTS(
+//usage: "\n [-s,--set] TIME Set time to TIME"
+//usage: "\n -u,--utc Work in UTC (don't convert to local time)"
+//usage: "\n -R,--rfc-2822 Output RFC-2822 compliant date string"
+//usage: )
+//usage: IF_FEATURE_DATE_ISOFMT(
+//usage: "\n -I[SPEC] Output ISO-8601 compliant date string"
+//usage: "\n SPEC='date' (default) for date only,"
+//usage: "\n 'hours', 'minutes', or 'seconds' for date and"
+//usage: "\n time to the indicated precision"
+//usage: )
+//usage: IF_NOT_LONG_OPTS(
+//usage: "\n -r FILE Display last modification time of FILE"
+//usage: "\n -d TIME Display TIME, not 'now'"
+//usage: ) IF_LONG_OPTS(
+//usage: "\n -r,--reference FILE Display last modification time of FILE"
+//usage: "\n -d,--date TIME Display TIME, not 'now'"
+//usage: )
+//usage: IF_FEATURE_DATE_ISOFMT(
+//usage: "\n -D FMT Use FMT for -d TIME conversion"
+//usage: )
+//usage: "\n"
+//usage: "\nRecognized TIME formats:"
+//usage: "\n hh:mm[:ss]"
+//usage: "\n [YYYY.]MM.DD-hh:mm[:ss]"
+//usage: "\n YYYY-MM-DD hh:mm[:ss]"
+//usage: "\n [[[[[YY]YY]MM]DD]hh]mm[.ss]"
+//usage:
+//usage:#define date_example_usage
+//usage: "$ date\n"
+//usage: "Wed Apr 12 18:52:41 MDT 2000\n"
+
#include "libbb.h"
#if ENABLE_FEATURE_DATE_NANO
# include <sys/syscall.h>
"$ echo \"Hello world\" | cut -f 2 -d ' '\n" \
"world\n"
-#define date_trivial_usage \
- "[OPTIONS] [+FMT] [TIME]"
-#define date_full_usage "\n\n" \
- "Display time (using +FMT), or set time\n" \
- "\nOptions:" \
- IF_NOT_LONG_OPTS( \
- "\n [-s] TIME Set time to TIME" \
- "\n -u Work in UTC (don't convert to local time)" \
- "\n -R Output RFC-2822 compliant date string" \
- ) IF_LONG_OPTS( \
- "\n [-s,--set] TIME Set time to TIME" \
- "\n -u,--utc Work in UTC (don't convert to local time)" \
- "\n -R,--rfc-2822 Output RFC-2822 compliant date string" \
- ) \
- IF_FEATURE_DATE_ISOFMT( \
- "\n -I[SPEC] Output ISO-8601 compliant date string" \
- "\n SPEC='date' (default) for date only," \
- "\n 'hours', 'minutes', or 'seconds' for date and" \
- "\n time to the indicated precision" \
- ) IF_NOT_LONG_OPTS( \
- "\n -r FILE Display last modification time of FILE" \
- "\n -d TIME Display TIME, not 'now'" \
- ) IF_LONG_OPTS( \
- "\n -r,--reference FILE Display last modification time of FILE" \
- "\n -d,--date TIME Display TIME, not 'now'" \
- ) \
- IF_FEATURE_DATE_ISOFMT( \
- "\n -D FMT Use FMT for -d TIME conversion" \
- ) \
- "\n" \
- "\nRecognized TIME formats:" \
- "\n hh:mm[:ss]" \
- "\n [YYYY.]MM.DD-hh:mm[:ss]" \
- "\n YYYY-MM-DD hh:mm[:ss]" \
- "\n [[[[[YY]YY]MM]DD]hh]mm[.ss]" \
-
-#define date_example_usage \
- "$ date\n" \
- "Wed Apr 12 18:52:41 MDT 2000\n"
-
#define dd_trivial_usage \
"[if=FILE] [of=FILE] " IF_FEATURE_DD_IBS_OBS("[ibs=N] [obs=N] ") "[bs=N] [count=N] [skip=N]\n" \
" [seek=N]" IF_FEATURE_DD_IBS_OBS(" [conv=notrunc|noerror|sync|fsync]")
projects / oweals / busybox.git / commitdiff