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Title | Meta Data |
Description | If you want to add a unique id column to the end of a CSV file, you can simply do it via a bash script following the steps below: Count the number of |
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WebSite | metadatascience.com |
Host IP | 192.30.252.154 |
Location | United States |
Site | Rank |
US$1,194,165
Last updated: 2022-07-14 16:30:46
metadatascience.com has Semrush global rank of 8,863,353. metadatascience.com has an estimated worth of US$ 1,194,165, based on its estimated Ads revenue. metadatascience.com receives approximately 137,789 unique visitors each day. Its web server is located in United States, with IP address 192.30.252.154. According to SiteAdvisor, metadatascience.com is safe to visit. |
Purchase/Sale Value | US$1,194,165 |
Daily Ads Revenue | US$1,103 |
Monthly Ads Revenue | US$33,070 |
Yearly Ads Revenue | US$396,831 |
Daily Unique Visitors | 9,186 |
Note: All traffic and earnings values are estimates. |
Host | Type | TTL | Data |
metadatascience.com. | A | 1799 | IP: 192.30.252.154 |
metadatascience.com. | A | 1799 | IP: 192.30.252.153 |
metadatascience.com. | NS | 1800 | NS Record: dns1.registrar-servers.com. |
metadatascience.com. | NS | 1800 | NS Record: dns2.registrar-servers.com. |
metadatascience.com. | MX | 1800 | MX Record: 20 eforward5.registrar-servers.com. |
metadatascience.com. | MX | 1800 | MX Record: 15 eforward4.registrar-servers.com. |
metadatascience.com. | MX | 1800 | MX Record: 10 eforward1.registrar-servers.com. |
metadatascience.com. | MX | 1800 | MX Record: 10 eforward2.registrar-servers.com. |
metadatascience.com. | MX | 1800 | MX Record: 10 eforward3.registrar-servers.com. |
metadatascience.com. | TXT | 1800 | TXT Record: v=spf1 include:spf.efwd.registrar-servers.com ~all |
Meta Data Science By Massoud Seifi, Ph.D. Data Scientist RSS Blog Archives Publications About Add Unique ID Column to CSV Files Sep 22 nd , 2015 If you want to add a unique id column to the end of a CSV file, you can simply do it via a bash script following the steps below: Count the number of lines in the input file using wc command and save it to a variable. Create a temoprary file using tempfile command. Using uuidgen command, generate n(= #lines ) unique ids and save them to the temporary file. Merge the input file with the temporary file containing unique ids using paste command. Remove the temporary file. Add unique ids to a CSV file (gen_uid.sh) download 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 #!/bin/bash # Author: Massoud Seifi, Ph.D. @ MetaDataScience.com # Count the number of lines in the input file lines = $( wc -l < "$1" ) # Generate unique ids and store them in a temporary file uids = $( tempfile ) for i in ` seq 1 $lines ` ; do uuidgen -t; done > "$uids" # Insert the |
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