ohmyzsh/lib/grep.zsh
2015-01-07 14:40:28 +01:00

26 lines
675 B
Bash

# Ignore VCS folders (if the necessary grep flags are available).
VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
_setup_grep_alias() {
# Is grep argument $1 available?
grep-flag-available() {
echo | grep $1 "" >/dev/null 2>&1
}
local GREP_OPTIONS
# Color grep results.
GREP_OPTIONS=(--color=auto)
if grep-flag-available --exclude-dir=.cvs; then
GREP_OPTIONS+=(--exclude-dir=$VCS_FOLDERS)
elif grep-flag-available --exclude=.cvs; then
GREP_OPTIONS+=(--exclude=$VCS_FOLDERS)
fi
# Re-define alias.
alias grep="grep $GREP_OPTIONS"
# Clean up.
unfunction grep-flag-available
}
alias grep=_setup_grep_alias