Mastering Unix : AWK Commands

Set script permissions with chmod 777 to grant read and write access for everyone, then check with ls. Run the script as ./filename or with sh filename.

Learn how awk selects columns from CSV files, enabling targeted data extraction. Explore viewing large files with paging using the more command, including spacebar navigation and quit controls.

Learn to remove the header row in awk by skipping the first line with NR and printing only the data rows.

Save awk command results to a file using redirection, creating a new file or updating an existing one. Verify the saved output by viewing the file contents with cat.

Mastering Unix: awk commands teaches how to filter data with conditional expressions using a where clause, and print selected columns using dollar fields and separators.

Master awk to conditionally filter data using logical and, returning records where the manager is Rohit and salary is 2000, while printing selected columns.

Apply AWK to conditionally select records by substring anywhere in a row using regex, print entire rows or a specific column, and exclude matches with not operators.

this lecture demonstrates using awk to conditionally select records by a substring in a column, including exact matches, not matches, and substring checks in the second column (name column).

Learn to use awk to find records that start with a specific text by matching the start of the line, print matching lines, and optionally display the filename.

Mastering awk commands demonstrates matching text at the end of lines, printing full records with $0, and combining start and end conditions to filter results.

Learn how to use awk to perform conditional checks with if statements, filtering records by salary and column values, including greater than 30000 and ranges like 20000 to 30000.

Use awk to perform if-else-if-else conditions on salary thresholds (over 30000, over 20000), assigning 30, 20, or 10 percent, printing names, and skipping the header line.

use the awk begin block to initialize variables and display a header before processing records. filter records where column three equals 10000, double the salary, and print the full line.

Explore how awk uses the begin, action, and end blocks to process data, display records with a column separator, and filter where column 3 equals 10000.

Use AWK's for loop to repeat tasks, set the field separator, and print $0, $1, and $2. Display each record in a full-length, multi-line format with ID and name.

Explore string functions in awk to compute the length of a string, extract the second column, and display the last name with its length.

Use awk to split a data file into multiple files by a chosen column, such as designation or office code, creating outputs named from a base like enp.