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tex2lyx: exit earlier if input file could not be found
In particular, do not write an empty .lyx file (#12339)
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@ -979,16 +979,9 @@ bool tex2lyx(idocstream & is, ostream & os, string const & encoding,
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/// convert TeX from \p infilename to LyX and write it to \p os
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bool tex2lyx(FileName const & infilename_in, ostream & os, string encoding,
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bool tex2lyx(FileName const & infilename, ostream & os, string encoding,
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string const & outfiledir)
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{
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FileName infilename = infilename_in;
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// Like TeX, we consider files without extensions as *.tex files
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// and append the extension if the file without ext does not exist
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// (#12340)
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if (!infilename.exists() && infilename.extension().empty())
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infilename.changeExtension("tex");
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// Set a sensible default encoding.
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// This is used until an encoding command is found.
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// For child documents use the encoding of the master, else try to
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@ -1046,6 +1039,18 @@ bool tex2lyx(FileName const & infilename_in, ostream & os, string encoding,
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bool tex2lyx(string const & infilename, FileName const & outfilename,
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string const & encoding)
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{
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FileName ifname = FileName(infilename);
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// Like TeX, we consider files without extensions as *.tex files
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// and append the extension if the file without ext does not exist
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// (#12340)
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if (!ifname.exists() && ifname.extension().empty()) {
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ifname.changeExtension("tex");
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if (!ifname.exists()) {
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cerr << "Could not open input file \"" << infilename
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<< "\" for reading." << endl;
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return false;
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}
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}
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if (outfilename.isReadableFile()) {
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if (overwrite_files) {
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cerr << "Overwriting existing file "
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@ -1065,10 +1070,10 @@ bool tex2lyx(string const & infilename, FileName const & outfilename,
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return false;
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}
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#ifdef FILEDEBUG
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cerr << "Input file: " << infilename << "\n";
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cerr << "Input file: " << ifname << "\n";
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cerr << "Output file: " << outfilename << "\n";
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#endif
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return tex2lyx(FileName(infilename), os, encoding,
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return tex2lyx(ifname, os, encoding,
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outfilename.onlyPath().absFileName() + '/');
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}
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