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feat(nsh_cat): allow cat to read from stdin

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Now, if we run cat without arguments, it will just read from stdin.

It can be used with redirect like `cat < infile > outfile`.
This commit is contained in:
Marco Casaroli
2024-08-06 23:53:41 +02:00
committed by Alan Carvalho de Assis
parent 4104019e1c
commit 8fba726a7d
2 changed files with 21 additions and 2 deletions
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4
nshlib/nsh_command.c
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@@ -158,8 +158,8 @@ static const struct cmdmap_s g_cmdmap[] =
#endif
#ifndef CONFIG_NSH_DISABLE_CAT
CMD_MAP("cat", cmd_cat, 2, CONFIG_NSH_MAXARGUMENTS,
"<path> [<path> [<path> ...]]"),
CMD_MAP("cat", cmd_cat, 1, CONFIG_NSH_MAXARGUMENTS,
"[<path> [<path> [<path> ...]]]"),
#endif
#ifndef CONFIG_DISABLE_ENVIRON