/* vi: set sw=4 ts=4: */ /* * Monitor a pipe with a simple progress display. * * Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ #include "libbb.h" #define PIPE_PROGRESS_SIZE 4096 /* Read a block of data from stdin, write it to stdout. * Activity is indicated by a '.' to stderr */ int pipe_progress_main(int argc, char **argv); int pipe_progress_main(int argc, char **argv) { RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE); time_t t = time(NULL); size_t len; while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) { time_t new_time = time(NULL); if (new_time != t) { t = new_time; fputc('.', stderr); } fwrite(buf, len, 1, stdout); } fputc('\n', stderr); if (ENABLE_FEATURE_CLEAN_UP) RELEASE_CONFIG_BUFFER(buf); return 0; }