I found many who want color codes in their "piped to tee" output (usually when the first program is aware of something being able to display color), but I'm not finding an question/answer to do the reverse. echo -e "color \033[1 31mRED\033[0m output" | TERM=dumb tee test.log od -c test.log dialog will run interactively, so you’ll be able to exit easily, and even track screen changes made in response to user input if you with ( script supports timestamps, which can be useful here). If you run cat with no arguments and start hitting the arrow keys you can see the escape sequences used. So for example, e48 5 209m sets the background to a peachy color (if you have 256 color support) and e2 2H moves the cursor near the top-left corner of the screen. Every escape sequence starts with a literal escape character, which you can input using the Bash escape sequence e.
LINUX REMOVE ANSI ESCAPE SEQUENCES CODE
If you run cat with no arguments and start hitting the arrow keys you can see the escape sequences used. You can use script: script -q -c dialog -title 'HELLO' -yesno 'Are you sure' 6 30. Most terminals represent arrow key presses using ANSI escape sequences. See Wikipedia:ANSI escape code for examples of escape sequences. I want the color for the console output (for human consumption, it's great)īut do not want color in the log file copy of the output. Most terminals represent arrow key presses using ANSI escape sequences. Tried to make tee see my terminal is unaware of colors (env vars, sub-shells) but tee happily just writes what it is given.
Is there a way to strip ANSI sequences only for the tee's output to file? I'd like the file to be clean of ANSI color sequences, etc.,Īs it makes greping the log file fun later: echo -e "color \033[1 31mRED\033[0m output" | tee test.logĬolor is written to the console and also into the file "test.log". In my case, command_that_writes_color_to_stdout | tee file
I want to see color output when in stdout to the console, but I want to remove it in a captured copy of the output from the tee command. Notepad++ regular expressions use the Boost regular expression library v1.70, which is based on PCRE (Perl Compatible Regular Expression) syntax, only departing from it in very minor ways.
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