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memecache-insert - annna - Annna the nice friendly bot. |
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git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws6… |
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memecache-insert (786B) |
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--- |
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1 #!/bin/sh |
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2 set -e |
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3 |
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4 usage() { |
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5 printf "usage: %s old.meme new.meme\n" "$(basename "$0")" |
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6 exit 1 |
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7 } |
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8 |
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9 memesanity() { |
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10 if ! [ -e "$1" ]; then |
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11 printf "%s not found\n" "$1" |
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12 usage |
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13 fi |
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14 |
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15 if [ "$(sed 1q "$1")" != "meme2" ]; then |
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16 printf "we can only work with the meme2 format\n" |
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17 usage |
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18 fi |
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19 } |
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20 |
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21 if [ -z "$1" ] || [ -z "$2" ]; then |
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22 usage |
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23 fi |
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24 |
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25 oldmemes="$1" |
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26 newmemes="$2" |
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27 |
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28 memesanity "$oldmemes" |
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29 memesanity "$newmemes" |
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30 |
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31 t="$(mktemp)" |
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32 |
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33 tail -n+2 "$newmemes" | while read -r tag uri sum; do |
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34 if grep -q " ${sum}\$" "$oldmemes"; then |
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35 printf "%s already here\n" "$tag" >&2 |
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36 continue |
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37 fi |
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38 |
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39 printf "%s %s %s\n" "$tag" "$uri" "$sum" |
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40 printf "downloading %s ...\n" "$tag" >&2 |
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41 curl -s "$uri" > "$(basename "$uri")" |
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42 done > "$t" |
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43 |
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44 tail -n+2 "$oldmemes" >> "$t" |
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45 |
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46 printf "meme2\n" |
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47 sort "$t" |
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48 |
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49 rm -f "$t" |
