convert .mov to .m4v with mac terminal
With ffmpeg installed: ffmpeg -i input.mov -acodec copy -vcodec copy output.m4v This will perform an exact copy of both the audio and video streams into the new file.
terminal
Use the contents of a file to replace a string using SED
You can use the r command. When you find a ‘fox’ in the input… /fox/{ …replace it for nothing… s/fox//g …and read the input file: r f.html } If you have a file such as: $ cat file.txt the quick brown fox jumps over the lazy dog fox dog the result is: $ sed ‘/fox/{ … Read more
How to overwrite stdout in C
It’s not manipulating stdout — it’s overwriting the characters which have already been displayed by the terminal. Try this: #include <stdio.h> #include <unistd.h> static char bar[] = “=======================================” “======================================>”; int main() { int i; for (i = 77; i >= 0; i–) { printf(“[%s]\r”, &bar[i]); fflush(stdout); sleep(1); } printf(“\n”); return 0; } That’s pretty close … Read more
How to show terminal/shell code snippets in Sphinx?
.. code-block:: console is meant for interactive sessions. Bash or sh didn’t work for me. ( from http://build-me-the-docs-please.readthedocs.org/en/latest/Using_Sphinx/ShowingCodeExamplesInSphinx.html#pygments-lexers )
How to determine a terminal’s background color?
There’s an xterm control sequence for this: \e]11;?\a (\e and \a are the ESC and BEL characters, respectively.) Xterm-compatible terminals should reply with the same sequence, with the question mark replaced by an X11 color name, e.g. rgb:0000/0000/0000 for black.
In-place progress output in the terminal or console
Use carriage return. ‘\r’ should usually work.
How can Vim stop responding?
You’ve stopped the terminal with CTRL-S. To resume, press CTRL-Q. Btw, this is not VIM-specific, but rather terminal-specific.
Update powershell keyboard bindings to be emacs style like bash shell
You can do that with the PSReadLine module which ships with PowerShell 5.0 (Windows 10). Simply set the EditMode option to Emacs: Set-PSReadLineOption -EditMode Emacs In addition to the default Windows mode, it also has a Vi mode. The project README file mentions that neither are fully implemented so don’t expect full feature parity, but … Read more
how to use the trackpad to scroll in nano using iterm2, the way it works in terminal.app?
It’s a configurable preference (like xterm’s alternateScroll resource). In iTerm2, that’s in the Advanced tab:
How can I start octave from the command line and not the GUI?
I also install through brew I found that just run: octave-cli you will see the octave in terminal: GNU Octave, version 4.2.0-rc2 Copyright (C) 2016 John W. Eaton and others. This is free software; see the source code for copying conditions. There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or … octave:1>