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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2014 Clifford Wolf <clifford@clifford.at>
* Copyright (C) 2014 Johann Glaser <Johann.Glaser@gmx.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
struct WriteFileFrontend : public Frontend {
WriteFileFrontend() : Frontend("=write_file", "write a text to a file") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" write_file [options] output_file [input_file]\n");
log("\n");
log("Write the text fron the input file to the output file.\n");
log("\n");
log(" -a\n");
log(" Append to output file (instead of overwriting)\n");
log("\n");
log("\n");
log("Inside a script the input file can also can a here-document:\n");
log("\n");
log(" write_file hello.txt <<EOT\n");
log(" Hello World!\n");
log(" EOT\n");
log("\n");
}
virtual void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design*)
{
bool append_mode = false;
std::string output_filename;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-a") {
append_mode = true;
continue;
}
break;
}
if (argidx < args.size() && args[argidx].rfind("-", 0) != 0)
output_filename = args[argidx++];
else
log_cmd_error("Missing putput filename.\n");
extra_args(f, filename, args, argidx);
FILE *of = fopen(output_filename.c_str(), append_mode ? "a" : "w");
char buffer[64 * 1024];
size_t bytes;
while (0 < (bytes = f->readsome(buffer, sizeof(buffer))))
fwrite(buffer, bytes, 1, of);
fclose(of);
}
} WriteFileFrontend;
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