CODEWITHSUNDEEP
bash
capser
capser

Reputation: 2635

Intertwining two text files line by line

I have two files. One file has name with spaces and the other the spaces have been replace with underbar by the mighty and formidable tr commands. 

cat /tmp/crap2
Effective awk Programming, 3rd Edition.pdf
Fashion Photography by Edward Steichen in the 1920s and 1930s (15).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (19).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (30).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (4).jpg
sed & awk, 2nd Edition.pdf


cat /tmp/crap
Effective_awk_Programming,_3rd_Edition.pdf
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(15).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(19).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(30).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(4).jpg
sed_&_awk,_2nd_Edition.pdf

I want to make output like this for display for to the file makinng display one with underbar and the other with not the underbar: 

Effective_awk_Programming,_3rd_Edition.pdf
Effective awk Programming, 3rd Edition.pdf
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(15).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (15).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(19).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (19).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(30).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (30).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(4).jpg
Fashion Photography by Edward Steichen in the 1920s and 1930s (4).jpg
sed_&_awk,_2nd_Edition.pdf
sed & awk, 2nd Edition.pdf

but when i use bash command with while loop and nested for loop I get big mess for outputs: 

$ while read line ; do  for i in $(cat /tmp/crap); do  echo $i ; done ; echo $line ; done < /tmp/crap2


Effective_awk_Programming,_3rd_Edition.pdf
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(15).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(19).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(30).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(4).jpg
sed_&amp;_awk,_2nd_Edition.pdf
Fashion Photography by Edward Steichen in the 1920s and 1930s (30).jpg
cat /tmp/crap)
cat /tmp/crap
Effective_awk_Programming,_3rd_Edition.pdf
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(15).jpg   
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(19).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(30).jpg 
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(4).jpg
sed_&amp;_awk,_2nd_Edition.pdf
Fashion Photography by Edward Steichen in the 1920s and 1930s (4).jpg
cat /tmp/crap)
cat /tmp/crap
Effective_awk_Programming,_3rd_Edition.pdf
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(15).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(19).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(30).jpg
Fashion_Photography_by_Edward_Steichen_in_the_1920s_and_1930s_(4).jpg
sed_&amp;_awk,_2nd_Edition.pdf
sed &amp; awk, 2nd Edition.pdf

I have tried other scripts with changing IFS and then making different cat file right now what i do is 

paste /tmp/crap /tmp/crap2

two file and use vi to make edits

Upvotes: 1

Views: 74

Answers (2)

glenn jackman
glenn jackman

Reputation: 246774

Use 2 file descriptors:

while read -u3 c1 && read -u4 c2; do 
    echo "$c1"
    echo "$c2"
done 3<crap 4<crap2

Upvotes: 1

4ae1e1
4ae1e1

Reputation: 7634

I believe paste has the -d,--delimiter option. So just do

paste -d '\n' /tmp/crap /tmp/crap2

assuming the cygwin paste is similar to coreutils paste or BSD paste.

Upvotes: 3

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