Rosetta Code/Find unimplemented tasks: Difference between revisions
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m →{{header|Wren}}: Updated site URL and reran. |
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Find limit of recursion |
Find limit of recursion |
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...</pre> |
...</pre> |
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=={{header|hq}}== |
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This script illustrates how jq interoperates with other command-line tools. It was tested in October, 2022 |
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using both the C and Go implementations of jq. |
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The only pre-requisites other than bash are curl and jq, which is called at least four times. |
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<syntaxhighlight lang="bash"> |
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#!/bin/bash |
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# October 8, 2022 |
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# https://rosettacode.org/w/index.php?title=Rosetta_Code/Find_unimplemented_tasks |
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# Syntax: $0 [--markdown] CATEGORY |
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# Fetch the Category:Programming_Tasks and Category:$category pages, |
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# then compute the differences in the lists of titles. |
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# If --markdown is specified, then some markdown suitable for RosettaCode.org is added. |
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BN=$(basename "$0") |
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JQ=jq |
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function die { echo "$BN: $@" >&2 ; exit 1 ; } |
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baseuri="https://rosettacode.org/w/api.php?action=query&list=categorymembers&cmtitle=Category:" |
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if [ "$1" = "--markdown" ] ; then |
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markdown="--argjson markdown true" |
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shift |
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else |
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markdown="--arg markdown false" |
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fi |
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category="$1" |
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test -z "$category" && die "Syntax: $0 [--markdown] CATEGORY" |
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for id in $category Programming_Tasks; do |
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id=/tmp/rosettacode.$id.titles.json |
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test -s "$id" && rm "$id" |
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done |
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function getall { |
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local cat="$1" |
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local cmcontinue="$2" |
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local tmpfile="/tmp/rosettacode.$cat.json.tmp" |
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local continue=true |
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# cmlimit=500 is the max allowed so use paging |
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curl -Ss "${baseuri}${cat}&format=json&cmlimit=500${cmcontinue}" > "$tmpfile" |
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if [ ! -s "$tmpfile" ] ; then return ; fi |
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$JQ '.query.categorymembers[].title' "$tmpfile" >> /tmp/rosettacode.$cat.titles.json |
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cmcontinue=$($JQ -r '.continue | if . then .cmcontinue else null end' "$tmpfile" ) |
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if [ -z "$cmcontinue" -o "$cmcontinue" = "null" ] ; then return ; fi |
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echo $BN: fetching continuation page for $cat ... |
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getall "$cat" "&cmcontinue=$cmcontinue" |
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} |
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getall $category |
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getall Programming_Tasks |
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for id in $category Programming_Tasks; do |
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id=/tmp/rosettacode.$id.titles.json |
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test -s "$id" || die "unable to find $id" |
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done |
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$JQ -r -n $markdown --slurpfile tasks /tmp/rosettacode.Programming_Tasks.titles.json \ |
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--slurpfile cat /tmp/rosettacode.$category.titles.json ' |
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def mark: if $markdown then "* [[\(gsub(" ";"_"))|\(.)]]" else . end; |
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($tasks - $cat)[] | mark ' |
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</syntaxhighlight> |
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=={{header|Julia}}== |
=={{header|Julia}}== |