Help to understand the script Post: 302480362

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Help me understand this script

#!/bin/awk -f BEGIN {i=1;file="modified.txt"} { if ($0 !~ /^DS:/) {print $0 >> file} else { if ($0 ~ /^DS:/) {print "DS: ",i >> file;if (i==8) {i=1} else {i++}}; } } END {gzip file} Can someone explain to me how this above script works, I got it from a friend but not able...

LEARN ABOUT DEBIAN

fsck-larch

FSCK-LARCH(1)						      General Commands Manual						     FSCK-LARCH(1)

NAME

       fsck-larch - verify that a larch B-tree is internally consistent

SYNOPSIS

       fsck-larch [--config=FILE] [--dump-config] [--dump-memory-profile=METHOD] [--dump-setting-names] [--fix] [--generate-manpage=TEMPLATE] [-h]
       [--help] [--list-config-files] [--log=FILE] [--log-keep=N] [--log-level=LEVEL]  [--log-max=SIZE]  [--log-mode=MODE]  [--no-default-configs]
       [--output=FILE] [--trace=PATTERN] [--version] [FILE]...

DESCRIPTION

       fsck-larch  reads  an on-disk, committed B-tree created by the larch Python library, and verifies that it is internally consistent.  It re-
       ports any problems it finds, but does not currently fix them.

OPTIONS

       --config=FILE
	      add FILE to config files

       --dump-config
	      write out the entire current configuration

       --dump-memory-profile=METHOD
	      make memory profiling dumps using METHOD, which is one of: none, simple, meliae, or heapy (default: simple)

       --dump-setting-names
	      write out all names of settings and quit

       --fix  fix problems found?

       --generate-manpage=TEMPLATE
	      fill in manual page TEMPLATE

       -h, --help
	      show this help message and exit

       --list-config-files
	      list all possible config files

       --log=FILE
	      write log entries to FILE (default is to not write log files at all); use "syslog" to log to system log, or "none" to  disable  log-
	      ging

       --log-keep=N
	      keep last N logs (10)

       --log-level=LEVEL
	      log at LEVEL, one of debug, info, warning, error, critical, fatal (default: debug)

       --log-max=SIZE
	      rotate logs larger than SIZE, zero for never (default: 0)

       --log-mode=MODE
	      set permissions of new log files to MODE (octal; default 0600)

       --no-default-configs
	      clear list of configuration files to read

       --output=FILE
	      write output to FILE, instead of standard output

       --trace=PATTERN
	      add PATTERN to trace patterns

       --version
	      show program's version number and exit

SEE ALSO

       Larch home page (http://liw.fi/larch/).

																     FSCK-LARCH(1)