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Top Forums Shell Programming and Scripting comparing part of header with part of detailed records. Post 302263599 by summer_cherry on Tuesday 2nd of December 2008 03:45:26 AM
Old 12-02-2008
Hi ,

Is the yellow highlighted section is fixed in all your detail lines?

anyway , below perl may help you a little

input(a.txt):
Code:
IMSHRATE_043008_101016
9820101 A982005000CAVG 030108 000000000000010169000MAR 2008 9820102 MAR 2008 D030108
9820101 A982005000CAVG 030109 000000000000010169000MAR 2008 9820102 MAR 2008 D030108
9820101 A982005000CAVG 043008 000000000000010169000MAR 2008 9820102 MAR 2008 D030108

output:
Code:
MSHRATE_043008_101016
9820101 A982005000CAVG 030108 000000000000010169000MAR 2008 9820102 MAR 2008 D030108
Smaller than header
9820101 A982005000CAVG 030109 000000000000010169000MAR 2008 9820102 MAR 2008 D030108
Bigger than header
9820101 A982005000CAVG 043008 000000000000010169000MAR 2008 9820102 MAR 2008 D030108
Equal with header

code:
Code:
open FH,"<a.txt" or die "Can not open file\n";
my @arr=<FH>;
close FH;
$arr[0]=~m/(.*)_([0-9][0-9])([0-9][0-9])([0-9][0-9])_(.*)/;
$header=$4.$2.$3;
print $arr[0];
for($i=1;$i<=$#arr;$i++){
	my @temp=split(" ",$arr[$i]);
	$temp[2]=~m/([0-9][0-9])([0-9][0-9])([0-9][0-9])/;
	my $body=$3.$1.$2;
	print $arr[$i],($body>$header)?"Bigger than header\n":($body==$header)?"Equal with header\n":"Smaller than header\n";
}

 

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DOC(4)                                                       Kernel Interfaces Manual                                                       DOC(4)

NAME
DOC - (Pilot standard text document) file format SYNOPSIS
struct doc_record0 { /* 16 bytes total */ Word version; /* 1 = plain text, 2 = compressed text */ Word reserved1; DWord doc_size; /* uncompressed size in bytes */ Word num_recs; /* not counting itself */ Word rec_size; /* in bytes: usually 4096 (4K) */ DWord reserved2; }; DESCRIPTION
The Doc file format is the standard text document format used by all models of the Palm Pilot. A Doc file is a pdb(4) file: this manual page describes only those aspects specific to Doc files. A Doc file consists of 0 to num_recs records; record 0 is the header for the document. (This header is distinct from the pdb(4) header.) The remaining records contain text, either plain or compressed depending upon version. Word Sizes In the synopsis above, the types ``Word'' and ``DWord'' are used just as in the Pilot headers. The type ``Word'' is 16 bits; the type ``DWord'' is 32 bits. Both are in big-endian format. Compression Format A character ``c'' in a compressed record is in one of four classes: 01-08 Copy ``c'' bytes 00,09-7F Self 80-BF Sequence C0-FF A space plus the ASCII character ``c ^ 0x80'' SEE ALSO
txt2pdbdoc(1), html2pdbtxt(1), pdbtxt2html(1), pdb(4) Christopher Bey and Kathleen Dupre. Palm File Format Specification, Document Number 3008-003, Palm, Inc., May 16, 2000. AUTHOR
Paul J. Lucas <pauljlucas@mac.com> txt2pdbdoc January 21, 2005 DOC(4)
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