split files based on context
Split a file at lines 5 and 23
Split a file every 5 lines (this will fail if the total number of lines is not divisible by 5)
Split a file every 5 lines, ignoring exact-division error
Split a file at line 5 and use a custom prefix for the output files
Split a file at a line matching a regular expression
csplit [OPTION]... FILE PATTERN...
Output pieces of FILE separated by PATTERN(s) to files 'xx00', 'xx01', ..., and output byte counts of each piece to standard output.
Read standard input if FILE is -
Mandatory arguments to long options are mandatory for short options too.
- -b, --suffix-format=FORMAT
use sprintf FORMAT instead of %02d
- -f, --prefix=PREFIX
use PREFIX instead of 'xx'
- -k, --keep-files
do not remove output files on errors
suppress the lines matching PATTERN
- -n, --digits=DIGITS
use specified number of digits instead of 2
- -s, --quiet, --silent
do not print counts of output file sizes
- -z, --elide-empty-files
remove empty output files
display this help and exit
output version information and exit
Each PATTERN may be:
copy up to but not including specified line number
copy up to but not including a matching line
skip to, but not including a matching line
repeat the previous pattern specified number of times
repeat the previous pattern as many times as possible
A line OFFSET is an integer optionally preceded by '+' or '-'
GNU coreutils online help:
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Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation <https://www.gnu.org/software/coreutils/csplit> or available locally via: info '(coreutils) csplit invocation'
Written by Stuart Kemp and David MacKenzie.