Shell script question

Hi, I have a fixed width file with lots of lines of text. Is there any way I can go through it, one line at a time, and copy the text from characters 11 - 27, 43 - 48, and 51 - 52 and write it to a separate text file as a concatenated string, one line per line processed?

 

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I'm sure there is a way..I'm not sure what it is in Shell Scripting...
why not write a quick C program to do it?

-AntonK

 

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I'd use sed.

The regular expression you might use is:

.\{10\}\(.\{17\}\).\{15\}\(.\{5\}\).\{3\}\(.\{2\}\)/\1\2\3/

With sed:

sed -e 's/.\{10\}\(.\{17\}\).\{15\}\(.\{5\}\).\{3\}\(.\{2\}\)/\1\2\3/ in >out

Where in is the read from file and out is the written to file. There almost certainly a theoretical chance I remembered the syntax right.

 

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You could also try:

Code:

cut -c11-27,43-48,51-52 "<"inFile ">"outFile

Without the quotes.