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Don't let lib/aliases.zsh overwrite existing aliases

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This commit is contained in:
Nicolas Pinto 2011-07-14 21:41:20 -04:00
commit 358c875ee6
1 changed files with 18 additions and 13 deletions
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31
lib/aliases.zsh
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@ -1,25 +1,30 @@
# Helper function that won't overwrite the alias if defined
function alias_if_undefined() {
alias $1 &> /dev/null || alias $1=$2
}
# Push and pop directories on directory stack # Push and pop directories on directory stack
alias pu='pushd' alias_if_undefined pu 'pushd'
alias po='popd' alias_if_undefined po 'popd'
# Basic directory operations # Basic directory operations
alias ...='cd ../..' alias_if_undefined ... 'cd ../..'
alias -- -='cd -' alias_if_undefined -- 'cd -'
# Super user # Super user
alias _='sudo' alias_if_undefined _ 'sudo'
#alias g='grep -in' #alias_if_undefined g 'grep -in'
# Show history # Show history
alias history='fc -l 1' alias_if_undefined history 'fc -l 1'
# List direcory contents # List direcory contents
alias lsa='ls -lah' alias_if_undefined lsa 'ls -lah'
alias l='ls -la' alias_if_undefined l 'ls -la'
alias ll='ls -l' alias_if_undefined ll 'ls -l'
alias sl=ls # often screw this up alias_if_undefined sl 'ls' # often screw this up
alias afind='ack-grep -il' alias_if_undefined afind 'ack-grep -il'
alias x=extract alias_if_undefined x 'extract'