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