Best CSV File Readers for Linux to Buy in January 2026
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Office 9 Create documents, spreadsheets and presentations with great ease–and excellent compatibility!
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To read a CSV (Comma-Separated Values) file in Linux, you can use various command-line tools such as awk, sed, or the csvkit library. Here is how you can do it:
- Using awk: Awk is a versatile tool for text processing and can be used to read CSV files. The following command demonstrates how to read a CSV file using awk: awk -F',' '{print $1, $2, $3}' filename.csv This command sets the field separator as a comma (-F','), and then prints the desired columns ($1, $2, $3) from the CSV file.
- Using sed: Sed is another command-line utility that can perform text manipulation. To read a CSV file using sed, you can use the following command: sed 's/,/ /g' filename.csv This command replaces commas (,) with spaces ( ) in the CSV file, allowing you to view the content in a formatted manner.
- Using csvkit: Csvkit is a powerful library specifically designed for working with CSV files on the command line. To read a CSV file using csvkit, you need to install it first by running the following command: pip install csvkit Once installed, you can use the csvkit command-line tools to read a CSV file. For example: csvlook filename.csv This command formats the contents of the CSV file in a tabular form for easy readability.
These methods allow you to read the content of a CSV file in Linux using the command line. Choose the method that best suits your needs based on the type of processing you want to perform on the data.
What command can be used to validate the format of a CSV file in Linux?
One command that can be used to validate the format of a CSV file in Linux is "csvlint". It is a command-line tool designed specifically for validating CSV files.
How to search for a specific value in a CSV file using grep in Linux?
To search for a specific value in a CSV file using grep in Linux, you can use the following command:
grep "value" filename.csv
Replace "value" with the specific value you want to search for, and "filename.csv" with the actual name of the CSV file you want to search in.
For example, if you want to search for the value "example" in a file called "data.csv", the command would be:
grep "example" data.csv
This command will print all the lines in the CSV file that contain the specified value.
How to calculate the sum or average of values in a specific column of a CSV file in Linux?
To calculate the sum or average of values in a specific column of a CSV file in Linux, you can use various command-line tools such as awk, sed, and bc. Here are two approaches:
Approach 1: Using awk and bc:
- Run the following command, replacing column_number with the number of the desired column (starting from 1) and file.csv with the name of your CSV file:
awk -F',' '{ sum += $column_number; count++ } END { print "Sum:", sum; print "Average:", sum / count }' file.csv | bc -l
This command sets the field separator to , (adjust the value for -F if your CSV uses a different separator) and then calculates the sum by accumulating the values in the specified column ($column_number). It also maintains a count of the number of values encountered. After processing the file, it prints the sum and average, which are then piped to bc for floating-point division.
Approach 2: Using awk alone for simple sum and average:
- If you only need a basic sum or average without decimal places, you can use the following awk command:
awk -F',' '{ sum += $column_number } END { print "Sum:", sum; print "Average:", sum / NR }' file.csv
This command works similarly to the previous one, but it uses NR (total number of input records) for average calculation, which might truncate the result to an integer if the CSV file contains whole numbers only.
Note: Make sure to replace column_number with the actual column number you want to calculate the sum or average for.
What is the recommended encoding for CSV files in Linux?
The recommended encoding for CSV files in Linux is UTF-8. UTF-8 is a widely supported character encoding that can represent any character from the Unicode standard, making it suitable for handling international data. It is also the default encoding for most Linux systems.