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#bash #cd 'cd' replacement function capable keeping up to 10 visited directories
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# This function defines a 'cd' replacement function capable of keeping, | |
# displaying and accessing history of visited directories, up to 10 entries. | |
# To use it, uncomment it, source this file and try 'cd --'. | |
# acd_func 1.0.5, 10-nov-2004 | |
# Petar Marinov, http:/geocities.com/h2428, this is public domain | |
cd_func () | |
{ | |
local x2 the_new_dir adir index | |
local -i cnt | |
if [[ $1 == "--" ]]; then | |
dirs -v | |
return 0 | |
fi | |
the_new_dir=$1 | |
[[ -z $1 ]] && the_new_dir=$HOME | |
if [[ ${the_new_dir:0:1} == '-' ]]; then | |
# | |
# Extract dir N from dirs | |
index=${the_new_dir:1} | |
[[ -z $index ]] && index=1 | |
adir=$(dirs +$index) | |
[[ -z $adir ]] && return 1 | |
the_new_dir=$adir | |
fi | |
# | |
# '~' has to be substituted by ${HOME} | |
[[ ${the_new_dir:0:1} == '~' ]] && the_new_dir="${HOME}${the_new_dir:1}" | |
# | |
# Now change to the new dir and add to the top of the stack | |
pushd "${the_new_dir}" > /dev/null | |
[[ $? -ne 0 ]] && return 1 | |
the_new_dir=$(pwd) | |
# | |
# Trim down everything beyond 11th entry | |
popd -n +11 2>/dev/null 1>/dev/null | |
# | |
# Remove any other occurence of this dir, skipping the top of the stack | |
for ((cnt=1; cnt <= 10; cnt++)); do | |
x2=$(dirs +${cnt} 2>/dev/null) | |
[[ $? -ne 0 ]] && return 0 | |
[[ ${x2:0:1} == '~' ]] && x2="${HOME}${x2:1}" | |
if [[ "${x2}" == "${the_new_dir}" ]]; then | |
popd -n +$cnt 2>/dev/null 1>/dev/null | |
cnt=cnt-1 | |
fi | |
done | |
return 0 | |
} | |
alias cd=cd_func |
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