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General help message cleanup

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Many of the help messages were not really helpful; for example, many
commands that take no arguments would not print a correct synopsis
line, but "No additional help available." which is not exactly wrong,
but not helpful either.

Commit ``Make "usage" messages more helpful.'' changed this
partially. But it also became clear that lots of "Usage" and "Help"
messages (fields "usage" and "help" in struct cmd_tbl_s respective)
were actually redundant.

This patch cleans this up - for example:

Before:
	=> help dtt
	dtt - Digital Thermometer and Thermostat

	Usage:
	dtt         - Read temperature from digital thermometer and thermostat.

After:
	=> help dtt
	dtt - Read temperature from Digital Thermometer and Thermostat

	Usage:
	dtt

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk
2009-05-24 17:06:54 +02:00
parent 94796d8544
commit a89c33db96
165 changed files with 507 additions and 496 deletions
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10
common/cmd_nvedit.c
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@@ -569,7 +569,7 @@ int do_saveenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
saveenv, 1, 0, do_saveenv,
"save environment variables to persistent storage",
NULL
""
);
#endif
@@ -602,7 +602,7 @@ U_BOOT_CMD(
"print environment variables",
"\n - print values of all environment variables\n"
"printenv name ...\n"
" - print value of environment variable 'name'\n"
" - print value of environment variable 'name'"
);
U_BOOT_CMD(
@@ -611,7 +611,7 @@ U_BOOT_CMD(
"name value ...\n"
" - set environment variable 'name' to 'value ...'\n"
"setenv name\n"
" - delete environment variable 'name'\n"
" - delete environment variable 'name'"
);
#if defined(CONFIG_CMD_ASKENV)
@@ -627,7 +627,7 @@ U_BOOT_CMD(
" - get environment variable 'name' from stdin (max 'size' chars)\n"
"askenv name [message] size\n"
" - display 'message' string and get environment variable 'name'"
"from stdin (max 'size' chars)\n"
"from stdin (max 'size' chars)"
);
#endif
@@ -637,6 +637,6 @@ U_BOOT_CMD(
run, CONFIG_SYS_MAXARGS, 1, do_run,
"run commands in an environment variable",
"var [...]\n"
" - run the commands in the environment variable(s) 'var'\n"
" - run the commands in the environment variable(s) 'var'"
);
#endif