ypb.sh/navigus.sh

   1 ### why the heck something like this in not on by default? ###
   2
   3 # avigu.sh help
   4 function N_avigush_help() {
   5         echo "#
   6 # [h | help]
   7 # [l | list]            : list dirs
   8 #
   9 # [s | switch] [args]   : push current, then 'cd args'
  10 # [g | go] <num>        : go to <num> directory from list
  11 # [n | navigate] <num>  : push current, then 'N g <num>'
  12 #                         better be in range with that <num>
  13 # [e | erase] <num>     : remove <num>th dir from list
  14 # [c | clear]           : clear current list completely
  15 #
  16 # [d | dump] [file]     : dump dirs to <file> or ~/.avigush
  17 # [r | restore] [file]  : restore from <file> or ~/.avigush
  18 #"
  19 }
  20
  21 # list dirs
  22 function N_avigush_list() {
  23         dirs -l -p -v | egrep -v "^.*0[[:blank:]]+/"
  24 }
  25
  26 # switch to dir saving current
  27 function N_avigush_switch() {
  28         pushd . > /dev/null ; cd "$@" ;
  29 }
  30
  31 # go to Nth dir in stack
  32 function N_avigush_go() {
  33         # Zsh knows not the 'dirs +/-N' but 'cd +/-N'
  34         cd $(N l | egrep "^.*$1[[:blank:]]+/" | sed 's|^[^/]*||')
  35 }
  36
  37 # go to Nth while pushing current for later... n as in navigate
  38 function N_avigush_navigate() {
  39         pushd . > /dev/null ; N g $(($1+1)) ;
  40 }
  41
  42 # erase Nth
  43 function N_avigush_erase() {
  44         popd +$1 > /dev/null
  45 }
  46
  47 # clear
  48 function N_avigush_clear() {
  49         dirs -c
  50 }
  51
  52 # save to default or some file
  53 function N_avigush_dump() {
  54         local FILE=${1:-$HOME/.avigush}
  55         echo "# dump($FILE)" ;
  56         N l | sort -rg |
  57         sed 's,^[^/]*,,g' 2>/dev/null > "$FILE" &&
  58         echo "# taken" ||
  59         echo "# doops" ;
  60 }
  61
  62 # restore from file, bash sucks monkey ballz... forealz!
  63 function N_avigush_restore() {
  64         local CWD=$(pwd)
  65         local FILE=${1:-$HOME/.avigush}
  66         [ -r "$FILE" ] || {
  67                 echo "# file($FILE) not readable" ; return ;
  68         }
  69         echo "# load($FILE)" ;
  70         IFS=$'\n' ; for d in `cat $FILE` ; do
  71 #               echo "-$d-" ;
  72                 [ -d "$d" ] &&
  73                 cd "$d" &&
  74                 pushd . > /dev/null ;
  75         done && echo "# done" ||
  76         echo "# oops" ;
  77         cd $CWD ;
  78 }
  79
  80 function N() {
  81         case "$1" in
  82                 h|help) N_avigush_help ;;
  83                 l|list) N_avigush_list ;;
  84                 s|switch) shift ; N_avigush_switch "$@" ;;
  85                 g|go) shift ; N_avigush_go "$@" ;;
  86                 n|navigate) shift ; N_avigush_navigate "$@" ;;
  87                 e|erase) shift ; N_avigush_erase "$@" ;;
  88                 c|clear) N_avigush_clear ;;
  89                 d|dump) shift ; N_avigush_dump "$@" ;;
  90                 r|restore) shift ; N_avigush_restore "$@" ;;
  91                 *) N_avigush_help ;;
  92         esac
  93 }
  94
  95 # BIGFATNOTE: unlimited number of dirs regex might cut smth off.