boost-filesystem - w3toppers.com

How similar are Boost.Filesystem and the C++ standard filesystem library?

There are a number of differences. Some were, I believe, Boost changes that were never propagated. For example, there is no path.filename_is_dot() query (as discussed below, it would be less useful in std::filesystem anyway). There was also a good bit of late-breaking news on this front: Support for non-POSIX-like filesystems: Specify whether a string is … Read more

expand file names that have environment variables in their path

For UNIX (or at least POSIX) systems, have a look at wordexp: #include <iostream> #include <wordexp.h> using namespace std; int main() { wordexp_t p; char** w; wordexp( “$HOME/bin”, &p, 0 ); w = p.we_wordv; for (size_t i=0; i<p.we_wordc;i++ ) cout << w[i] << endl; wordfree( &p ); return 0; } It seems it will even … Read more