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Formatting File Using Shell Script

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# 15  
Old 08-10-2012
grep -En "^.{66}CONTRA" 2.txt, command is displaying the below error.
grep: illegal option -- E
Usage: grep -hblcnsviw pattern file . . .

$count variable is loosing its value after the loop.
# 16  
Old 08-10-2012
Formatting File Using Shell Script (Using AWK)
Building on Franklin52's example... I found a syntax error as well :
Code:
awk '{if (substr($0,67,6)=="CONTRA"){exit} if($1 ~ /^[0-9]/){print }}' awktest.dat

Produces
Code:
  5555555555555555555555555555555    5555555555555555 44444445 555AAAAAA            ZXXXXCONTRACTORS
  5555555555555555555555555555555    5555555555555555 44444445 555AAAAAA            ZXXXXXXXXXXXXXXXXX
  5555555555555555555555555555555    5555555555555555 44444445 555AAAAAA            ZXXXXXXXXXXXXXXXXX

with the output you provided above. But note that the column numbers 65-70 you specified do not match your example. CONTRA begins in column 67.
Code:
awk '{if (substr($0,61,6)=="CONTRA"){exit} if($1 ~ /^[0-9]/){print }}' awktest.dat

will produce
Code:
5555555555555555555555555555555 5555555555555555 44444445 555AAAAAA ZXXXXCONTRACTORS
5555555555555555555555555555555 5555555555555555 44444445 555AAAAAA ZXXXXXXXXXXXXXXXXX
5555555555555555555555555555555 5555555555555555 44444445 555AAAAAA ZXXXXXXXXXXXXXXXXX

from the second example you provided - note again CONTRA is NOT in the columns you specified, but starts in Column 61.

This
Code:
awk '{if ($4 ~ /CONTRA$/){exit} if($1 ~ /^[0-9]/){print }}' awktest.dat

will work as long as CONTRA is at the end of the 4th column. It works with both examples.

This line will cause it to break because CONTRA is in the 5th Column
Code:
5555555555555555555555555555555 555555555 55555 44444445 555CONTRA ZXXXXXXXXXXXXXXXXX

Code:
awk '{if ($4 ~ /CONTRA$/){exit} if ($5 ~ /CONTRA$/){exit} if($1 ~ /^[0-9]/){print }}' awktest.dat

works with all examples

You can send the output to a file by adding >outfile.txt to the end of the commnd
Code:
awk '{if ($4 ~ /CONTRA$/){exit} if($1 ~ /^[0-9]/){print }}' awktest.dat > outfile.txt

Hope that helps. If that doesn't solve the problem, please be a bit more specific about the actual format of the data and post some examples that I can test against.

Hope that helps.
Last edited by Franklin52; 08-10-2012 at 04:45 AM.. Reason: Please use code tags for data and code samples, thanks
# 17  
Old 08-10-2012
Hi ataneja7 ,
if I run the loop in your script, everything seems OK:
Code:
About to enter while
Line no is 1
Line no is 2
3
Job done

No loss of the count value. What's your output?

Too bad your system does not support extended regex at all, as it seems.
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