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  • interleave two text files with specified lines

    a_file=$1
    a_step=$2
    b_file=$3
    b_step=$4
    
    a_start=1
    let a_end=$a_start+$a_step
    
    b_start=1
    let b_end=$b_start+$b_step
    
    a_lines=$(wc -l $a_file | awk '{print $1}')
    b_lines=$(wc -l $b_file | awk '{print $1}')
    
    while true
    do
    	awk "NR >= $a_start && NR < $a_end {print}" $a_file
    	awk "NR >= $b_start && NR < $b_end {print}" $b_file
    	let a_start=$a_start+$a_step
    	let a_end=$a_end+$a_step
    	let b_start=$b_start+$b_step
    	let b_end=$b_end+$b_step
    
    	if [ $a_start -ge $a_lines ] && [ $b_start -ge $b_lines ]
    	then
    		break
    	fi
    
    	#echo "a_start:" $a_start "a_end:" $a_end "b_start:" $b_start "b_end:" $b_end
    	#echo "a_file:" $a_file "a_step:" $a_step
    	#echo "b_file:" $b_file "b_step:" $b_step
    done
    

      

    Usage:

    bash interleave.sh file_a 7 file_b 1
    

      

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  • 原文地址:https://www.cnblogs.com/long123king/p/3765732.html
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