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147
votes
17answers
82k views

How to have tail -f show colored output

I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green. What kind of alias can I ...
10
votes
3answers
663 views

syntax_highlight <source_file> | lpr

Does anyone know of a simple way to produce the PostScript corresponding to a syntax-highlighted version of a source file that can be piped directly to a PostScript printer? As the wording of the ...
28
votes
4answers
6k views

How can I display syntax highlighting on a file?

Is there a variant of cat that outputs syntax-highlighted lines of code when used on a source file? An idea: maybe vi[m] or another editor can be asked to dump the syntax-highlighted contents of said ...
9
votes
5answers
4k views

`highlight` command

Is there a command which can be used to easily highlight (with colors, bold text or inverted back-/foreground) specific strings in stdin while passing the entire string to stdout? I'm thinking of ...
10
votes
4answers
6k views

Command that highlights regex in text?

Is there a command that highlights a certain expression in text? I'm looking for something like the 'search' function in less, but with normal text output on stdout, instead of the less viewer. ...
5
votes
1answer
1k views

Text editor with font-size selection for specific human languages (ie. Unicode Block) eg Devanagari

Pre Linux, I used Windows.. (too many years in the wilderness :) ... however there was a ray of sunshine in amongst all the general virus/re-install flack.. and that was Notepad++, a text Editor I ...
5
votes
2answers
646 views

Man page highlight color

To colorize my man pages, I put this code from archlinux.org into .bashrc: man() { env LESS_TERMCAP_mb=$'\E[01;31m' \ LESS_TERMCAP_md=$'\E[01;38;5;74m' \ LESS_TERMCAP_me=$'\E[0m' \ ...
4
votes
3answers
3k views

In SciTe (Scintilla), how can I create Syntax-Highlighting for my own custom language?

I want to create a custom Language, with its own custom Syntax Highlighting. Notepad++ (a Windows SciTe/Scintilla based Text-editor), allowed me to create a custom "Language", and now, in Linux, I ...
3
votes
2answers
5k views

How to highlight a word in the output of “cat”? [duplicate]

I can do the following to see if some word is available in the output of "cat": cat filename | grep word This filters the output and shows only those lines which contain "word". Now, is it possible ...
0
votes
3answers
59 views

highlighting parameters in with grep

I'm in need of some assistance with using the highlight feature in bash. My goal is to grep three parameters and then highlight them with three different colors. I've been messing around with this ...