Commands tagged jq (17)


  • 6
    curl -s https://ipvigilante.com/$(curl -s https://ipinfo.io/ip) | jq '.data.latitude, .data.longitude, .data.city_name, .data.country_name'
    emphazer · 2019-04-26 09:15:00 0
  • Returns the current price of a troy ounce of gold, in USD. Requires the "jq" JSON parser. Show Sample Output


    3
    echo "Gold price is" $(wget https://rate-exchange-1.appspot.com/currency\?from=XAU\&to=USD -q -O - | jq ".rate") "USD"
    lordtoran · 2015-11-11 14:20:06 3
  • jq is amazing for manipulating json on the commandline, but the developers have some weird ideas about how to handle shell redirections. This command works around them. Further reading: https://github.com/stedolan/jq/issues/1110


    3
    diff <(jq . -M -S < old.json) <(jq . -M -S < new.json)
    malathion · 2018-10-11 20:59:48 0
  • Use the AWS CLI tools to generate a list instances, then pipe them to JQ to show only their launch time and instance id. Finally use sort to bring them out in runtime order. Find all those instances you launched months ago and have forgotten about. Show Sample Output


    2
    aws ec2 describe-instances | jq '.["Reservations"]|.[]|.Instances|.[]|.LaunchTime + " " + .InstanceId' | sort -n
    andrewtayloruk · 2014-02-03 07:59:47 5
  • You can do the filtering natively in the aws cli, without using jq (although jq is awesome!) Show Sample Output


    2
    aws ec2 describe-instances --query 'Reservations[*].Instances[*].[InstanceId,LaunchTime]' --output text | sort -n -k 2
    hakamadare · 2014-06-16 21:51:51 0
  • Uses the python-based AWS CLI (https://aws.amazon.com/cli/) and the JSON query tool, JQ (https://stedolan.github.io/jq/)


    2
    aws ec2 describe-snapshots --filter 'Name=volume-id,Values=vol-abcd1234' | jq '.[]|max_by(.StartTime)|.SnapshotId'
    thatinstant · 2014-06-26 20:26:23 1

  • 2
    curl -s httpbin.org/ip | jq -r .origin
    tebeka · 2016-08-11 04:20:48 1
  • Frustrated with the manual domain migration process AWS has, I unsuccessfully tried to install cli53, route53-transfer. I instead wrote this oneliner to ease the export (which is not supported via the AWS console ATM). The output can be easily pasted into the "Import Hosted Zone" dialog in Route53. SOA/NS records are excluded since they cannot be automatically imported. Show Sample Output


    1
    echo -e "\$ORIGIN\tumccr.org.\n\$TTL\t1h\n" && aws route53 list-resource-record-sets --hosted-zone-id Z1EEXAMPLE9SF3 | jq -r '.ResourceRecordSets[] | [.Name, .Type, .ResourceRecords[0].Value] | join("\t")' - | grep -vE "NS|SOA"
    brainstorm · 2018-06-15 01:19:21 0
  • Uses the python-based AWS CLI (https://aws.amazon.com/cli/) and the JSON query tool, JQ (https://stedolan.github.io/jq/)


    0
    aws ec2 describe-instances --query "Reservations[*].Instances[*]" | jq '.[]|.[]|(if .Tags then (.Tags[]|select(.Key == "Name").Value) else empty end)+", " +.InstanceId'
    thatinstant · 2014-06-26 20:01:12 0
  • If you have a load of logstash events in a redis queue (here named "logstash"), here's a fast way to examine the type and message of the event.


    0
    for i in {0..100}; do redis-cli LINDEX logstash ${i} | jq .type,.message; done
    crccheck · 2015-05-22 16:01:02 0
  • Returns the global weighted BTC rate in EUR. Requires the "jq" JSON parser. Show Sample Output


    0
    echo "BTC rate is" $(wget https://api.bitcoinaverage.com/ticker/global/EUR/ -q -O - | jq ".last") "?"
    lordtoran · 2015-09-28 23:03:59 0
  • Grabs the first JSON file in the directory, reads its keys, prints TSV, then prints all the json files' values as TSV. Nested objects appear as json. Unhappy times if your json has literal tabs in it. Show Sample Output


    0
    jq -r 'keys | join("\t")' $(ls -f *.json | head -1) && jq -Sr 'to_entries | [ .[] | .value | tostring ] | join("\t")' *.json
    drjeats · 2016-04-08 23:30:30 0
  • Looking up the id of a CF domain can be painful. Not anymore with this tip. Show Sample Output


    0
    aws cloudfront list-distributions | jq -r '.DistributionList | .Items | .[] | .Id + " " + .Aliases.Items[]'
    hendry · 2016-09-19 06:36:59 0
  • # Usage: ftagmarks TAG BOOKMARKS.JSON ftagmarks Bash ~/.mozilla/firefox/*.default/bookmarkbackups/bookmarks-*.json Tag can be partial matching, e.g. input 'Bas' or 'ash' will match 'Bash' tag. # Exact tag matching: ftagmark(){ jq -r --arg t "$1" '.children[] as $i|if $i.root == "tagsFolder" then ([$i.children[] as $j|{title: ($j.title), urls: [$j.children[].uri]}]) else empty end|.[] as $k|if $k.title == $t then $k.urls else empty end|.[]?' "$2"; } Usage: ftagmark TAG BOOKMARKS.JSON # List all tags: ftagmarkl(){ jq -r '.children[] as $i | if $i.root == "tagsFolder" then $i.children[].title else empty end' "$1"; } Usage: ftagmarkl BOOKMARKS.JSON # Requires: `jq` - must have CLI JSON processor http://stedolan.github.io/jq Show Sample Output


    0
    ftagmarks(){ jq -r --arg t "$1" '.children[] as $i|if $i.root == "tagsFolder" then ([$i.children[] as $j|{title: ($j.title), urls: [$j.children[].uri]}]) else empty end|.[] as $k|if ($k.title|contains($t)) then $k.urls else empty end|.[]?' "$2"; }
    qwertyroot · 2016-12-24 15:12:04 0
  • Compactly display a bitcoin-cli fee estimate in satoshis/Byte, sat/B, date time stamp. Change the 6 to the desired number of confirmations. Display in btc/KB unit of measure: printf %g "$(bccli estimatesmartfee 6 "ECONOMICAL" | jq .feerate)";printf " btc/KB estimated feerate for 6 confirmations\nMultiply by 100,000 to get sat/B\n"; Two settings for estimate mode are "ECONOMICAL". "CONSERVATIVE" is the same as "UNSET" # jq is a json filter. sudo apt-get install jq Show Sample Output


    0
    printf %g "$(bitcoin-cli estimatesmartfee 6 "ECONOMICAL" | jq .feerate*100000)";printf " sat/B estimated feerate for 6 confirmations as of $(date +%c)\nDivide by 100,000 to get btc/KB\n"
    deinerson1 · 2018-06-20 13:40:32 0
  • This allows you to get all instance profiles (roles) for a given set of tags. Lists it in CSV Show Sample Output


    0
    aws ec2 describe-instances --region us-east-1 --filters "Name=tag:YourTag,Values=YourValue" | jq '.["Reservations"]|.[]|.Instances|.[]|.IamInstanceProfile.Arn + "," +.InstanceId'
    symgryph · 2019-04-15 16:33:41 1
  • The only pre-requisite is jq (and curl, obviously). The other version used grep, but jq is much more suited to JSON parsing than that. Show Sample Output


    -1
    btc() { echo "1 BTC = $(curl -s https://api.coindesk.com/v1/bpi/currentprice/$1.json | jq .bpi.\"$1\".rate | tr -d \"\"\") $1"; }
    benjabean1 · 2015-09-19 02:49:30 1

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands


Check These Out

Short and elegant way to backup a single file before you change it.
Remember to backup everything before changing it so you can restore all to normal.

Generate MD5 hash for a string

Resolution of a image
You can use the -format switch to get the size of the image. Replace "logo:" with your image.

Function that counts recursively number of lines of all files in specified folders

Start a local web server in the current directory on a random dynamic port.

Image to color palette generator
Extract a color palette from a image useful for designers. Example usage: $extract-palette myawesomeimage.jpg 4 Where the first argument is the image you want to extract a palette from. The second argument is the number of colors you want. It may be the case where you want to change the search space. In that case, change the -resize argument to a bigger or smaller result. See the ImageMagick documentation for the -resize argument.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Check disk I/O

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Display which user run process from given port name
Display which user run process from given port name


Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: