Ulrich Drepper (udrepper) wrote,

grep and color

I cannot believe there are still people who are surprised they see me working with the command line on my machine or when I tell them otherwise the the output of grep can use highlighting. Just add --color to the command line (with the optional argument just like ls). I've implemented that more than six years ago. In my .bashrc I have the following:

alias egrep='egrep --color=tty -d skip'
alias egrpe='egrep --color=tty -d skip'
alias fgrep='fgrep --color=tty -d skip'
alias fgrpe='fgrep --color=tty -d skip'
alias grep='grep --color=tty -d skip'
alias grpe='grep --color=tty -d skip'

Yes, I mistype grep often enough to warrant the extra aliases. Using tty as the color mode mean that if I pipe the output into another program there won't be any color escape sequences added which could irritate those programs.

Just make your life easier and add such aliases, too.

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