Ksh Read a File Line By Line ( UNIX Scripting )

To read a file line by line in KSH (Korn Shell), you can use the while loop and the read command.

Here is an example of a script that reads a file line by line:

# Set the path to the input file
input_file="/path/to/input.txt"

# Open the input file
while IFS= read -r line; do
  # Process the line
  echo "$line"
done < "$input_file"

This will read the file "input.txt" line by line and print each line to the console.

You can also use the cat command to read the entire file into a single string, and then use the for loop and the split command to iterate over the lines:

# Read the input file into a single string
input=$(cat "$input_file")

# Split the input string into an array of lines
IFS=$'\n' read -rd '' -a lines <<< "$input"

# Iterate over the lines
for line in "${lines[@]}"; do
  # Process the line
  echo "$line"
done

For more information on reading files in KSH, you can consult the KSH manual or online documentation.