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02-29-2008
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text processing ( sed/awk)
hi..
I have a file having record on in 1 line.... I want every 400 characters in a new line... means in 1st line 1-400 in 2nd line - 401-800 etc pl help. |
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02-29-2008
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Quote:
Code:
sed -e "s/.\{400\}/&\n/g" file.txt
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02-29-2008
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hi vino...
its not working.. its showing me the same output... i tested in a small file having abcdefghijklmopqrstuvwxyz in a line.... so after -e "s/.\{4\}/&\n/g" file.txt the output should be abcd efgh ijkl lmno ... ... but its unchaged.. pl help |
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02-29-2008
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script
total_chars=`wc -c filename | cut -c 1-8 ` block_size=400 cut_from=1 cut_to=400 total_chars=`expr $total_chars + 0` #The above step is to get total_chars treated as number for below comparison while [ $cut_from -le $total_chars ] do cut -c `echo $cut_from`-`echo $cut_to` filename >> outfile cut_from=`expr $cut_from + $block_size` cut_to=`expr $cut_to + $block_size` done |
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02-29-2008
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A solution with awk: Code:
awk 'BEGIN{nr=1}{while(substr($0,nr,400)){print substr($0,nr,400);nr+=400}}' file
Regards |
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02-29-2008
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Thanks Franklin52,
 hi anchal_khare, u can also check the below code awk '{n=1;while( n<=length($0)) { t = substr($0,n,4); print t"\n"; n= n+4} }' Filename Input: abcdefghijklmnopqrstuvwxyz output abcd efgh ijkl mnop qrst uvwx yz |
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