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Scale agrep errors by hashtag string length. - annna - Annna the nice friendly … |
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git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws6… |
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--- |
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commit 2626d2adbaed035067dbbf759afb1edeaa388618 |
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parent 197a022b0448e15a18957ccb5d3d91a94513ca64 |
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Author: Annna Robert-Houdin <[email protected]> |
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Date: Sun, 7 Aug 2022 21:18:35 +0200 |
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Scale agrep errors by hashtag string length. |
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Diffstat: |
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M annna-meme-recommend | 24 +++++++++++++++++++++++- |
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1 file changed, 23 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/annna-meme-recommend b/annna-meme-recommend |
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@@ -12,8 +12,30 @@ hashtagfile="$HOME/bin/modules/hashtags/hashtags.txt" |
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hashtag="$1" |
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+# Scale allowed errors by input hashtag length. |
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+hashtaglen=$(($(utf8expr length "$hashtag") - 1)) |
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+case $hashtaglen in |
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+0|1) |
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+ nerrors=1;; |
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+2|3) |
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+ nerrors=2;; |
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+4|5) |
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+ nerrors=3;; |
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+6|7) |
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+ nerrors=4;; |
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+8|9) |
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+ nerrors=5;; |
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+10|11) |
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+ nerrors=6;; |
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+12|13) |
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+ nerrors=7;; |
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+*) |
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+ nerrors=8;; |
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+esac |
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+ |
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+ |
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# n differences == -4; up to 8 |
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-agrep -i -4 "^#${hashtag} " "${hashtagfile}" \ |
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+agrep -i -$nerrors "^#${hashtag} " "${hashtagfile}" \ |
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| head -n 5 \ |
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| cut -d' ' -f 1 \ |
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| tr "\n" " " |
