til - annna - Annna the nice friendly bot.
 (HTM) git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/annna/
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       ---
       til (1459B)
       ---
            1 #!/bin/sh
            2 
            3 nick="${1}"
            4 learned="${2}"
            5 tilmodbase="$HOME/bin/modules/til"
            6 tildb="${tilmodbase}/til.txt"
            7 
            8 # Make sure there's a file to store the TILs.
            9 if [ ! -f "${tildb}" ];
           10 then
           11     mkdir -p "${tilmodbase}"
           12     touch "${tildb}"
           13 fi
           14 
           15 # Make sure file is writable.
           16 if [ ! -w "${tildb}" ];
           17 then
           18     exit 1
           19 fi
           20 
           21 # Clean up the learned string.
           22 learned="$(printf "%s" "${learned}" \
           23         | tr -d [:cntrl:] \
           24         | sed 's,\n, ,g')"
           25 
           26 # Check to see if its already been learned.
           27 already_learned_entry="$(grep -m 1 "${learned}" "${tildb}")"
           28 if [ $? -eq 0 ]; # Match found (grep exit status of 0)
           29 then
           30     timestamp="$(printf "%s" "${already_learned_entry}" \
           31         | tr "\t" "\n" \
           32         | tail -n 1)"
           33     user="$(printf "%s" "${already_learned_entry}" \
           34         | tr "\t" "\n" \
           35         | head -n 1)"
           36     learned_text="$(printf "%s" "${already_learned_entry}" \
           37         | tr "\t" "\n" \
           38         | tail -n 2 \
           39         | head -n 1)"
           40     paste="$(printf '%s\n%s learned %s\n' \
           41                 '${timestamp}' \
           42                 '${user}' \
           43                 '${learned_text}' \
           44                 | /br/bin/bitreich-paste)"
           45     printf "looks like that's already been learned by %s on %s! %s" \
           46                 "${user:-someone}" \
           47                 "$(date -d "${timestamp}" +"%B %d, %Y")" \
           48                 '${paste}'
           49     exit
           50 fi
           51 
           52 # Add the new TIL to the database.
           53 timestamp=$(date -u)
           54 printf "%s\n" "${nick}        ${learned}        $(date -u)" \
           55        >> "${tildb}"
           56 
           57 # Count users TILs
           58 til_count="$(grep -cP "^${nick}\t" "${tildb}")"
           59 
           60 # Successful return message. 
           61 printf "well done! You've learned ${til_count} things so far! o.o"
           62 exit 0