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Shell Programming and Scripting

Add CR to a String

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# 1  
Old 08-19-2005
Add CR to a String
How can I add a carriage return to a string for every 35 characters within the string?

Basically reversing a tr where I removed the CR and LF's.

Thanks for the help!
# 2  
Old 08-19-2005
Try this:

perl -e 'while(<>){s/(.{35})/$1\n/g; print;}' myfile > result


Explanation (in case you are not familiar with Perl):

while(<>) starts a loop on every line of standard input or files, listed in arguments;

s/(.{35})/$1\n/g means "substitute 'any character' 35 times with the same string and end of line; do this globally for the whole string";

print is obvious.
# 3  
Old 08-20-2005
Code:
ruby -nle 'puts gsub(/.{35}/, "\\&\n")'

# 4  
Old 08-23-2005
worked great, thank you
# 5  
Old 08-23-2005
fold -w 35 file > newFile
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