AI Generated Cheatsheets

AWK Cheatsheet

Overview of unique features

• Text processing language
• Uses pattern-action paradigm
• Built-in variables for manipulating text
• Supports regular expressions
• Can be used for data extraction and reporting

Text processing

# Print a specific field from a file
awk '{print $1}' file.txt

# Search for a specific pattern in a file
awk '/pattern/ {print}' file.txt

# Use built-in variables to manipulate text
awk '{print toupper($0)}' file.txt
awk '{print length($1)}' file.txt

Regular expressions

# Search for a regular expression in a file
awk '/[0-9]+/ {print}' file.txt

# Use regular expression to match a specific pattern
awk '/^start/,/^end/ {print}' file.txt

Reporting and data extraction

# Calculate the sum of a column in a CSV file
awk -F, '{ sum += $3 } END { print sum }' file.csv

# Extract data from a log file
awk '/error/ {print $0}' log.txt

Resources

• AWK documentation
• AWK tutorial
• AWK forum for community support and troubleshooting.

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