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Top Forums Shell Programming and Scripting search and retrieve previous line in file Post 302108120 by paulsew on Friday 23rd of February 2007 04:44:49 AM
Old 02-23-2007
search and retrieve previous line in file

I've got a file with the following layout:

#STMP FSgroup
filename /filesysname1
filestatus 2

#STMP FSstatus
filename /filesysname1
ratio 30

#STMP FSgroup
filename /filesysname1
filestatus 2

#STMP FSstatus
filename /filesysname6
ratio 60

I'm trying to write a SHELL (ksh) script that'll search the file say e.g filename = /filesysname1 grouped under FSstatus and get everthing beneath FSstatus group.

Thus, I should be able search for anygroup, i.e. lines that start with an # and everything below it until the first blank line. I also need to know the group name, i.e. either FSstatus or FSgroup

Look really difficult for me, any help out there

tks
William Smilie
 

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ASNTOOL(1)						     NCBI Tools User's Manual							ASNTOOL(1)

NAME
asntool - process ASN.1 module specifications SYNOPSIS
asntool [-] [-B filename] [-D N] [-G] [-I str] [-J type] [-K str] [-L str] [-M filename,...] [-P str] [-Q] [-S filename] [-T filename] [-V] [-X filename] [-Z] [-b N] [-d filename] [-e filename] [-f filename] [-l filename] -m filename [-o filename] [-p filename] [-t str] [-v filename] [-w N] [-x filename] DESCRIPTION
asntool reads, validates, and displays ASN.1 module specifications. OPTIONS
A summary of options is included below. - Print usage message -B filename Generate objects and code in files named filename.* -D N Debugging level for code generation: 0 No debugging (default) 1 Shallow debugging 2 Deep debugging 3-9 Same as 2 -G Generate object loader .c and .h files -I str Put "#include str" in generated .c file -J type Register type type with object manager -K str In generated .c, force name of #included asn header to str -L str Label registered type as str -M filename,... Search the ASN.1 modules in filename,... for external references -P str XML module prefix for DOCTYPE -Q Use quoted syntax form for generated include files -S filename Send debugging output to filename rather than stderr -T filename Dump ASN.1 tree to filename -V Force CHOICE objects to use custom structures rather than ValNodePtrs, for compatibility with some old hand-coded object loaders. -X filename Write XML DTD to filename. If filename is "m", print each module to a separate file. -Z Bit twiddle for optional zero value base slots -b N Use N-byte buffers (default = 1024; anything between 512 and 10000 is legal) -d filename Read binary values from filename (requires -t) -e filename Write binary values to filename -f filename Write ASN.1 module to filename -l filename Write ASN.1 loader to filename -m filename Read ASN.1 module from filename -o filename Write header to filename -p filename Write print values to filename -t str Expect binary values to have type str -v filename Read print values from filename -w N Limit values in #defines to N bits (default = 31; anything between 31 and 128 is legal) -x filename Write XML data to filename AUTHOR
The National Center for Biotechnology Information. NCBI
2010-09-01 ASNTOOL(1)
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