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skefir (1435B)

      1 #!/usr/bin/env sh
      2 
      3 set -eu
      4 
      5 LESS_VERSION=$(less --version | head -n 1 | awk '{print $2}' | cut -d. -f1)
      6 if [ "$LESS_VERSION" -lt "582" ]; then
      7     echo "Your less version is too old ($LESS_VERSION). Please, install 582+ version of less."
      8     exit 1
      9 fi
     10 
     11 if [ "$#" -lt 2 ]; then
     12     echo "Usage: skefir [-n] <host> <url>"
     13     exit 1
     14 fi
     15 
     16 if [ "$1" = "-n" ]; then
     17     NO_MAP=true
     18     shift
     19 fi
     20 
     21 link () {
     22     SHORTCUT=$(echo "$1" | base64 | tr -d '=')
     23     LINE=$2
     24     ARGS=$3
     25 
     26     printf "[%5s] " "$SHORTCUT"
     27     echo "$LINE" | awk -F '\t' '{print substr($1, 2)}'
     28 
     29     KEFIR_CALL="$(echo "$LINE" | awk -F '\t' '{printf "%s %s", $3, $2}')"
     30     COMMAND="$SHORTCUT shell skefir $ARGS $KEFIR_CALL"
     31     printf "%s\n" "$COMMAND" >> "$LESSKEY_FILE"
     32 }
     33 
     34 viewer () {
     35     LINK=0
     36     while read -r LINE || [ -n "$LINE" ]; do
     37         case "$LINE" in
     38         i*)
     39             printf "      "
     40             echo "$LINE" | awk -F '\t' '{print substr($1, 2)}'
     41             ;;
     42         1*)
     43             link "$LINK" "$LINE" ""
     44             LINK=$((LINK + 1))
     45             ;;
     46         0*)
     47             link "$LINK" "$LINE" "-n"
     48             LINK=$((LINK + 1))
     49             ;;
     50         *)
     51             ;;
     52         esac
     53     done
     54 }
     55 
     56 LESSKEY_FILE=$(mktemp -t skefir.XXXXXX)
     57 echo "#command" >> "$LESSKEY_FILE"
     58 TEXT=$(printf "%s\r\n" "$2" | nc "$1" 70)
     59 
     60 [ -z "${NO_MAP:-}" ] && TEXT="$(echo "$TEXT" | viewer)"
     61 echo "$TEXT" | less --lesskey-src="$LESSKEY_FILE"
     62 
     63 rm "$LESSKEY_FILE"