Never mind, I have found the reason for the error. The Filtered View command does not currently use the PATH environment variable to find the executable provided.
I have submitted a pull request for this: https://github.com/MidnightCommander/mc/pull/59 Is someone able to have a look for me? To replicate the problem: 1. In mc, open the "File" menu and select "Filtered View" 2. In the displayed Filtered View command and arguments field, type "grep PATTERN FILENAME" Expected result: display output of grep command in mcview Actual result: Error is displayed "Cannot create pipe streams" Reason: The grep command is not in the current directory, and the PATH environment variable is not used to search for the executable. Regards, Ben On Sun, Apr 12, 2015 at 2:18 AM Ben Woods <woods...@gmail.com> wrote: > Hi, > > I am maintaining the midnight commander port for FreeBSD, and I am seeing > an error with v4.8.14. > > When I use the "Filtered View" option from the File menu, and enter any > filter (e.g. "*.c"), it gives me an error message "Cannot create pipe > streams". > > This error appears to be from the function mc_popen in file lib/utilunix.c > (excerpt below). Any ideas how I can troubleshoot this further? > > Thanks in advance, > Ben > > /** > * Create pipe and run child process. > * > * @parameter command command line of child process > * @paremeter error contains pointer to object to handle error code and > message > * > * @return newly created object of mc_pipe_t class in success, NULL > otherwise > */ > > mc_pipe_t * > mc_popen (const char *command, GError ** error) > { > mc_pipe_t *p; > char **argv; > > p = g_try_new (mc_pipe_t, 1); > if (p == NULL) > { > mc_replace_error (error, MC_PIPE_ERROR_CREATE_PIPE, "%s", > _("Cannot create pipe descriptor")); > goto ret_err; > } > > if (!g_shell_parse_argv (command, NULL, &argv, error)) > { > mc_replace_error (error, MC_PIPE_ERROR_PARSE_COMMAND, "%s", > _("Cannot parse command for pipe")); > goto ret_err; > } > > if (!g_spawn_async_with_pipes (NULL, argv, NULL, > G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, > &p->child_pid, NULL, &p->out.fd, > &p->err.fd, error)) > { > mc_replace_error (error, MC_PIPE_ERROR_CREATE_PIPE_STREAM, "%s", > _("Cannot create pipe streams")); > goto ret_err; > } > ... >
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