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Full Discussion: cut and paste
Top Forums Shell Programming and Scripting cut and paste Post 302359104 by gpaulose on Monday 5th of October 2009 08:22:09 PM
Old 10-05-2009
cut and paste

Hi,
Need a help with shell script. I have to search for a string in one of the file, if match found, copy the line to a new file and delete the line from the exisiting file.
eg:
Code:
83510000000000063800000.1800000.1600000.1600000.2400000.1800000.2000000.21
83510000000000064500000.1100000.2800000.1000000.1200000.1900000.1200000.12
83510000000000064500000.1100000.2800000.1000000.1200000.1900000.1200000.13
83510000000000064900001.7800001.0400001.2300001.2600001.0900001.9000001.48
83510000000000065100000.2500000.1400000.2300000.3300000.2300000.2300000.20

if 835100000000000638 is found, i need to replace it with 835100000000000639 and write to a new file. Also I need the 835100000000000638 to be deleted from my exising file.

I tried
Code:
sed -n "s/835100000000000638/835100000000000639/p oldfile > newfile

this will find and write to new file but wont delete from existing file.

Please help.
 

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CP(1)							      General Commands Manual							     CP(1)

NAME
cp, cpdir - file copy SYNOPSIS
cp [-pifsmrRvx] file1 file2 cp [-pifsrRvx] file ... directory cpdir [-ifvx] file1 file2 OPTIONS
-p Preserve full mode, uid, gid and times -i Ask before removing existing file -f Forced remove existing file -s Make similar, copy some attributes -m Merge trees, disable the into-a-directory trick -r Copy directory trees with link structure, etc. intact -R Copy directory trees and treat special files as ordinary -v Display what cp is doing -x Do not cross device boundaries EXAMPLES
cp oldfile newfile # Copy oldfile to newfile cp -R dir1 dir2 # Copy a directory tree DESCRIPTION
Cp copies one file to another, or copies one or more files to a directory. Special files are normally opened and read, unless -r is used. -r also copies the link structure, something -R doesn't care about. The -s option differs from -p that it only copies the times if the target file already exists. A normal copy only copies the mode of the file, with the file creation mask applied. Set-uid bits are cleared if the owner cannot be set. (The -s flag does not patronize you by clearing bits. Alas -s and -r are nonstandard.) Cpdir is a convenient synonym for cp -psmr to make a precise copy of a directory tree. SEE ALSO
cat(1), mkdir(1), rmdir(1), ln(1), rm(1). CP(1)
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