132 lines
3.0 KiB
Plaintext
132 lines
3.0 KiB
Plaintext
function cd_history () {
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local old
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local p
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local b
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if [ -z "$1" ]
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then \cd "$HOME"
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return
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fi
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old=$( tail -n 149 "$HOME/.bash_cdhistory" )
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echo "$old" > "$HOME/.bash_cdhistory"
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\cd "$1"
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p=$( pwd )
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b=$( basename "$p" )
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echo $b":"$p >> "$HOME/.bash_cdhistory"
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}
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alias cd=cd_history
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function qcd() {
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local OPTIND
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local OPTARG
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local opt
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local case
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while getopts aiLl:hm opt
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do case "$opt" in
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a)
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# Adding
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local name=${!OPTIND}
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if [ -z "$name" ]
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then name=$( basename $( pwd ))
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fi
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echo "$name":$( pwd )
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echo "$name":$( pwd ) >> ~/.qcd
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return
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;;
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i)
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case="-i"
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;;
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L)
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echo ==History ~/.bash_cdhistory:
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cat ~/.bash_cdhistory
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echo
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echo ==Saved ~/.qcd:
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cat ~/.qcd
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return
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;;
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l)
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local d=$( grep $case -h ^"$OPTARG" ~/.qcd <( tac ~/.bash_cdhistory ) | head -n 1 )
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d=${d/*:/}
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echo $d
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return
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;;
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m)
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local IFS=$'\n'
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for line in $( cat ~/.bash_cdhistory );
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do if [ -d "${line/*:/}" ];
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then echo "$line" >> ~/.bash_cdhistory.tmp
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fi
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done
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mv ~/.bash_cdhistory.tmp ~/.bash_cdhistory
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for line in $( cat ~/.qcd );
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do if [ -d "${line/*:/}" ];
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then echo "$line" >> ~/.qcd.tmp
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fi
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done
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mv ~/.qcd.tmp ~/.qcd
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return
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;;
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h)
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echo 'qcd [-hiLm]|[-al] [name]
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Change current working path based on the list ~/.qcd
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Keeps a history of folders visited in ~/.bash_cdhistory
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-a [name] Adds the path to the list
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You may add the name of the path, but when omitted
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the basename will be used
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-i Case insensitive search, must come first.
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-l [name] Show the match, but do not change
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-L Lists the paths
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-m Maintain the list, deleting non-existing entries'
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return
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;;
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esac
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done
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shift $(($OPTIND - 1))
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unset OPTSTRING
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unset OPTIND
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if [ -z "$1" ]
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then \cd; return
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fi
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if [ "$1" = "-" ]
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then \cd -; return
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fi
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d=$( grep $case -h ^"$1" ~/.qcd <( tac ~/.bash_cdhistory ) | head -n 1 )
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d=${d/*:/}
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if [ ! -z "$d" ]
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then \cd "$d"
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fi
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}
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function whenfilechanges() {
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[ -z "$1" ] && { echo 'Usage: whenfilechanges "file" "some" "command"
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Follows the modification time of the "file" and runs the command
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at every change. '
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return
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}
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[ -e "$1" ] || { echo $1 not found
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return
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}
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local fname
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local otime
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local ntime
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fname=$1
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shift 1
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otime=$( stat -c %Z "$fname" )
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while :
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do ntime=$( stat -c %Z "$fname" )
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[ "$ntime" -ne "$otime" ] && {
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eval "$@"
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otime=$( stat -c %Z "$fname" )
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}
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sleep 2
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done
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}
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