Split a txt file on the basis of line number


 
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Old 04-08-2019
Split a txt file on the basis of line number

I have to split a file containing 100 lines to 5 files say from lines ,1-20 ,21-30 ,31-40 ,51-60 ,61-100


Here is i can do it for 2 file but how to handle it for more than 2 files

Code:
awk 'NR < 21{ print >> "a"; next } {print >> "b" }' $input_file

Please advidse.

Thanks
 
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SPLIT(1)						      General Commands Manual							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [ option ... ] [ file ] DESCRIPTION
Split reads file (standard input by default) and writes it in pieces of 1000 lines per output file. The names of the output files are xaa, xab, and so on to xzz. The options are -n n Split into n-line pieces. -l n Synonym for -n n, a nod to Unix's syntax. -e expression File divisions occur at each line that matches a regular expression; see regexp(7). Multiple -e options may appear. If a subex- pression of expression is contained in parentheses (...), the output file name is the portion of the line which matches the subex- pression. -f stem Use stem instead of x in output file names. -s suffix Append suffix to names identified under -e. -x Exclude the matched input line from the output file. -i Ignore case in option -e; force output file names (excluding the suffix) to lower case. SOURCE
/src/cmd/split.c SEE ALSO
sed(1), awk(1), grep(1), regexp(7) SPLIT(1)