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CSPLIT(1) FreeBSD General Commands Manual CSPLIT(1) NAME csplit -- split files based on context SYNOPSIS csplit [-ks] [-f prefix] [-n number] file args ... DESCRIPTION The csplit utility splits file into pieces using the patterns args. If file is a dash (`-'), csplit reads from standard input. Files are created with a prefix of "xx" and two decimal digits. The size of each file is written to standard output as it is created. If an error occurs whilst files are being created, or a HUP, INT, or TERM signal is received, all files previously written are removed. The options are as follows: -f prefix Create file names beginning with prefix, instead of "xx". -k Do not remove previously created files if an error occurs or a HUP, INT, or TERM signal is received. -n number Create file names beginning with number of decimal digits after the prefix, instead of 2. -s Do not write the size of each output file to standard output as it is created. The args operands may be a combination of the following patterns: /regexp/[[+|-]offset] Create a file containing the input from the current line to (but not including) the next line matching the given basic regular ex- pression. An optional offset from the line that matched may be specified. %regexp%[[+|-]offset] Same as above but a file is not created for the output. line_no Create containing the input from the current line to (but not in- cluding) the specified line number. {num} Repeat the previous pattern the specified number of times. If it follows a line number pattern, a new file will be created for each line_no lines, num times. The first line of the file is line number 1 for historic reasons. After all the patterns have been processed, the remaining input data (if there is any) will be written to a new file. Requesting to split at a line before the current line number or past the end of the file will result in an error. ENVIRONMENT The LANG, LC_ALL, LC_COLLATE and LC_CTYPE environment variables affect the execution of csplit as described in environ(7). EXIT STATUS The csplit utility exits 0 on success, and >0 if an error occurs. EXAMPLES Split the mdoc(7) file foo.1 into one file for each section (up to 21 plus one for the rest, if any): csplit -k foo.1 '%^\.Sh%' '/^\.Sh/' '{20}' Split standard input after the first 99 lines and every 100 lines there- after: csplit -k - 100 '{19}' SEE ALSO sed(1), split(1), re_format(7) STANDARDS The csplit utility conforms to IEEE Std 1003.1-2001 ("POSIX.1"). HISTORY A csplit command appeared in PWB UNIX. BUGS Input lines are limited to LINE_MAX (2048) bytes in length. FreeBSD 13.0 February 6, 2014 FreeBSD 13.0
NAME | SYNOPSIS | DESCRIPTION | ENVIRONMENT | EXIT STATUS | EXAMPLES | SEE ALSO | STANDARDS | HISTORY | BUGS
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