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d7b1dce054
Options and escape sequences are fatally incompatible with historic echo that has no room for such extensions. Instead they pose risk because it is harder to use echo on unvalidated input safely and because any further extensions potentially break existing scripts. Use printf(1) instead.
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2015.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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echo.cpp
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Write arguments to standard output.
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*******************************************************************************/
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#include <errno.h>
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#include <error.h>
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#include <stdio.h>
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int main(int argc, char* argv[])
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{
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for ( int i = 1; i < argc; i++ )
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{
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if ( i != 1 )
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putchar(' ');
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fputs(argv[i], stdout);
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}
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putchar('\n');
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if ( ferror(stdout) || fflush(stdout) == EOF )
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{
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error(1, errno, "<stdout>");
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return 1;
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}
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return 0;
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}
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