evalcmd

#!/usr/bin/env bash

processHooks() {
    if [[ -f manpages && $2 = "man "[![:blank:]]* ]]; then
        local cmd args manpages
        read -r cmd args <<< "$2"
        source ./manpages &&
        if [[ ${manpages[$args]} ]]; then
            printf '%s: %s\n' "$2" "${manpages[$args]}"
            exit
        fi
    elif [[ -f helppages && $2 = "help "[![:blank:]]*  ]]; then
        local cmd args helppages
        read -r cmd args <<< "$2"
        source ./helppages &&
        if [[ ${helppages[$args]} ]]; then
            printf '%s\n' "${helppages[$args]}"
            exit
        fi
    elif [[ $2 = trigger?(s) ]]; then
        printf 'Available triggers: '

        local x limit=5 idx v
        for idx in "${indices[@]}"; do
            v=${versions[$idx]} x=0
            while [[ $v = *\# ]] && (( x++ < limit )); do
                v=${versions[$v]}
            done
            printf '%s %s; ' "$idx" "$v"
        done

        exit
    fi
}

if [[ $1 = -n ]]; then
    nopaste=1
    shift
fi

t=$1\#
declare -A triggers='()' versions='()'
indices=()
while IFS=$'\t' read -r trigger shell version; do
    triggers[$trigger]=$shell
    versions[$trigger]=$version
    indices+=("$trigger")  # to keep the order
done < ./triggers
[[ ${triggers[$t]} ]] || exit

processHooks "$@"

output=$(./limitcmd.pl "${triggers[$t]}" "$2" | expand | head -c 4242 | tr -d '\r' |
         awk '{ do { print substr($0, 1, 120) (length > 120 ? "\\" : ""); $0 = substr($0, 121); } while(length($0)>0); }'; exit "${PIPESTATUS[0]}"; )
                               # print a \ at the end of the line if it's too long
result=$?
lines=$(wc -l <<< "$output")

shopt -s extglob

if [[ $output == *( ) ]]
then
    if (( result > 0 ))
    then
        echo "no output within the time limit"
    else
        echo "no output"
    fi
    exit 0
fi

if ((nopaste)); then
    printf '%s\n' "$output"
else
    if (( lines <= 3 )); then
        printf '%s\n' "$output";
        exit 0
    fi

    if url=$(curl -sfF 'f:1=<-' http://ix.io <<< "$output"); then
        etc="etc... ( $url )"
    else
        etc="and so forth... (but now the pastebin is sick of me)"
    fi

    printf '%s\n' "$output" | head -n 2
    printf '%s\n' "$etc"
fi