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Full Discussion: .bashrc question re: rm -i & ls --colors
Top Forums UNIX for Dummies Questions & Answers .bashrc question re: rm -i & ls --colors Post 302187576 by era on Monday 21st of April 2008 01:15:26 PM
Old 04-21-2008
Quote:
Originally Posted by kthatch
alias rm='rm -i'

Problem is, there are 3 files that I remove many times a day and would like this command to ignore these 3 files. In other words, prompt me on everything EXCEPT these 3 files.
Yes, it's possible. It's not exactly trivial to get right, because you could be passing in both files from the excluded set and other files at the same time. But let's just figure you usually delete only one file at a time.

Code:
rm () {
  local ask
  ask="-i"
  case $# in 1)
     case $1 in your|excluded|files) ask= ;; esac ;;
  esac
  /bin/rm $ask "$@"
}

This declares a function (instead of an alias) which assumes your regular rm is in /bin/rm -- if it's in /usr/bin/rm or elsewhere, you need to adapt the command. The variable ask is set to "-i" and then conditionally, if there is exactly one argument, and if that one argument is one of your three files (change the list to hold your exceptions) then set ask to the empty string. Then, unconditionally run the regular rm, with whatever value $ask has now, on the arguments.

Quote:
Can I modify the color scheme? So that it only affects me, not everyone else?
The ls manual page mentions a variable LS_COLORS which you can set or modify in your own .bashrc. It won't affect anybody else; everybody have their own .bashrc. GNU file utilities has detailed documentation (for some version of GNU ls). It seems the regular documentation is what dircolors -p prints, and the manual doesn't explain it in too much detail.
Last edited by era; 04-21-2008 at 02:21 PM.. Reason: Actually, look at dircolors -p output
 

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LEARN ABOUT OSX

dircolors

DIRCOLORS(1)							   User Commands						      DIRCOLORS(1)

NAME

       dircolors - color setup for ls

SYNOPSIS

       dircolors [OPTION]... [FILE]

DESCRIPTION

       Output commands to set the LS_COLORS environment variable.

   Determine format of output:
       -b, --sh, --bourne-shell
	      output Bourne shell code to set LS_COLORS

       -c, --csh, --c-shell
	      output C shell code to set LS_COLORS

       -p, --print-database
	      output defaults

       --help display this help and exit

       --version
	      output version information and exit

       If  FILE  is specified, read it to determine which colors to use for which file types and extensions.  Otherwise, a precompiled database is
       used.  For details on the format of these files, run 'dircolors --print-database'.

AUTHOR

       Written by H. Peter Anvin.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report dircolors translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       Full documentation at: <http://www.gnu.org/software/coreutils/dircolors>
       or available locally via: info '(coreutils) dircolors invocation'

GNU coreutils 8.28						   January 2018 						      DIRCOLORS(1)
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