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nsh: Accept the command line arguments like sh

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Usage: nsh [<script-path>|-c <command>]

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ifb76b27e7fd09d26b1f6e48c391fed0972018041
This commit is contained in:
Xiang Xiao
2020-08-17 18:28:50 +08:00
committed by David Sidrane
parent 78e8090842
commit 9d80399bd5
14 changed files with 203 additions and 182 deletions
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33
nshlib/nsh_system.c
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@@ -73,40 +73,13 @@
int nsh_system(int argc, FAR char *argv[])
{
FAR struct console_stdio_s *pstate = nsh_newconsole();
FAR struct nsh_vtbl_s *vtbl;
int ret = EXIT_FAILURE;
int ret;
DEBUGASSERT(pstate != NULL);
vtbl = &pstate->cn_vtbl;
if (argc < 2)
{
/* Execute the interactive shell */
/* Execute the session */
ret = nsh_session(pstate, false);
}
else if (strcmp(argv[1], "-h") == 0)
{
ret = nsh_output(vtbl, "Usage: %s [<script-path>|-c <command>]\n",
argv[0]);
}
else if (strcmp(argv[1], "-c") != 0)
{
#if CONFIG_NFILE_STREAMS > 0 && !defined(CONFIG_NSH_DISABLESCRIPT)
/* Execute the shell script */
ret = nsh_script(vtbl, argv[0], argv[1]);
#endif
}
else if (argc >= 3)
{
/* Parse process the command */
ret = nsh_parse(vtbl, argv[2]);
#if CONFIG_NFILE_STREAMS > 0
fflush(pstate->cn_outstream);
#endif
}
ret = nsh_session(pstate, false, argc, argv);
/* Exit upon return */