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skefir (1166B)

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