67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
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/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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echo.c
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Abstract:
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Shell app "echo"
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Revision History
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--*/
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#include "shelle.h"
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/*///////////////////////////////////////////////////////////////////////
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Function Name:
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SEnvCmdEcho
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Description:
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Shell command "echo".
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*/
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EFI_STATUS
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SEnvCmdEcho (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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CHAR16 **Argv;
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UINTN Argc;
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UINTN Index;
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InitializeShellApplication (ImageHandle, SystemTable);
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Argv = SI->Argv;
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Argc = SI->Argc;
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/*
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* No args: print status
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* One arg, either -on or -off: set console echo flag
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* Otherwise: echo all the args. Shell parser will expand any args or vars.
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*/
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if ( Argc == 1 ) {
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Print( L"Echo is %s\n", (SEnvBatchGetEcho()?L"on":L"off") );
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} else if ( Argc == 2 && StriCmp( Argv[1], L"-on" ) == 0 ) {
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SEnvBatchSetEcho( TRUE );
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} else if ( Argc == 2 && StriCmp( Argv[1], L"-off" ) == 0 ) {
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SEnvBatchSetEcho( FALSE );
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} else {
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for (Index = 1; Index < Argc; Index += 1) {
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Print( L"%s ", Argv[Index] );
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}
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Print( L"\n" );
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}
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return EFI_SUCCESS;
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}
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