Translate

Image of Advanced Programming in the UNIX Environment, Second Edition (Addison-Wesley Professional Computing Series)
Image of Android Wireless Application Development
Image of Operating System Concepts
Image of XSLT 2.0 and XPath 2.0 Programmer's Reference (Programmer to Programmer)

Remove Color Code Escape Sequences

Here is a simple way using sed to remove special characters such as color codes and other escape sequences from each line in a log file or the output from a utility like screen. $ sed -r “s/x1B[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g” If you wish to see the actual escape sequences, one way is to use the -r or -R options to the less utility -r or –raw-control-chars Causes “raw” control characters to be displayed. The default is to display control characters using the caret notation; for example, a control-A (octal 001) is displayed as “^A”. Warning: when the -r option is used, less