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Top Forums Shell Programming and Scripting Replace a multi-line strings or numbers Post 302809725 by khaled79 on Monday 20th of May 2013 02:54:14 PM
Old 05-20-2013
Replace a multi-line strings or numbers

Hi

I have no experience in Unix so any help would be appreciated


I have the flowing text
Code:
235543
123
45654
199
225
578
45654
199
225

I need to find this sequence from A file
Code:
45654
199
225

and replaced it with in B file
Code:
45654
258

so the new file B will be
Code:
235543
123
45654
258
578
45654
258

any help?

Last edited by Scott; 05-20-2013 at 04:29 PM.. Reason: Please use code tags for code and data samples
 

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SEQ(1)							    BSD General Commands Manual 						    SEQ(1)

NAME
seq -- print sequences of numbers SYNOPSIS
seq [-w] [-f format] [-s string] [-t string] [first [incr]] last DESCRIPTION
The seq utility prints a sequence of numbers, one per line (default), from first (default 1), to near last as possible, in increments of incr (default 1). When first is larger than last, the default incr is -1. All numbers are interpreted as floating point. Normally integer values are printed as decimal integers. The seq utility accepts the following options: -f format Use a printf(3) style format to print each number. Only the A, a, E, e, F, f, G, g, and % conversion characters are valid, along with any optional flags and an optional numeric minimum field width or precision. The format can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). The default is %g. -s string Use string to separate numbers. The string can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). The default is . -t string Use string to terminate sequence of numbers. The string can contain character escape sequences in backslash notation as defined in ANSI X3.159-1989 (``ANSI C89''). This option is useful when the default separator does not contain a . -w Equalize the widths of all numbers by padding with zeros as necessary. This option has no effect with the -f option. If any sequence numbers will be printed in exponential notation, the default conversion is changed to %e. EXIT STATUS
The seq utility exits 0 on success, and >0 if an error occurs. EXAMPLES
# seq 1 3 1 2 3 # seq 3 1 3 2 1 # seq -w 0 .05 .1 0.00 0.05 0.10 SEE ALSO
jot(1), printf(1), printf(3) HISTORY
The seq command first appeared in Plan 9 from Bell Labs. A seq command appeared in NetBSD 3.0, and ported to FreeBSD 9.0. This command was based on the command of the same name in Plan 9 from Bell Labs and the GNU core utilities. The GNU seq command first appeared in the 1.13 shell utilities release. BUGS
The -w option does not handle the transition from pure floating point to exponent representation very well. The seq command is not bug for bug compatible with the Plan 9 from Bell Labs or GNU versions of seq. BSD
September 10, 2013 BSD
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