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Top Forums Shell Programming and Scripting Help with replace data content Post 302576500 by cpp_beginner on Friday 25th of November 2011 04:59:09 AM
Old 11-25-2011
Help with replace data content

Format of one input file:
Code:
# >length=1
seq	program	data	909	1992
seq	program	record	909	1190

Desired output result:
Code:
# >length=1
length=1	program	data	909	1992
length=1	program	record	909	1190

I wanna to replace all the column 1 content (exclude the content start with "#") with the info in # but remove the ">"
Command I try:
Code:
step 1:
awk '{print $2}' input_file.txt | fgrep '>' | sed 's/>//g' > tmp.txt
cat
step 2:
cat tmp.txt | awk '{print "sed \047s/seq/"$1"/g\047 input_file.txt"}' > run.sh
step 3:
./run.sh

The command I try is also able to generate my desired output result.
Thanks for any advice to improve it.
 

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gnomevfs-cat(1) 						   User Commands						   gnomevfs-cat(1)

NAME
gnomevfs-cat - print a file to standard output using the VFS system SYNOPSIS
gnomevfs-cat URI DESCRIPTION
gnomevfs-cat prints a file to standard output using the virtual file system to access the file via a URI. OPERANDS
The following operands are supported: URI Specifies the file location in standard URI format. EXAMPLES
Example 1: Cat a File From a Web Server example% gnomevfs-cat http://www.sun.com Example 2: Cat a Local File example% gnomevfs-cat file:///home/user/README.txt ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH. EXIT STATUS
The exit value 0 is returned regardless of success or failure. FILES
The following files are used by this application: /usr/bin/gnomevfs-cat Executable to print a file to standard output using the VFS system ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-vfs | +-----------------------------+-----------------------------+ |Interface stability |External | +-----------------------------+-----------------------------+ SEE ALSO
gnomevfs-copy(1), gnomevfs-info(1), gnomevfs-ls(1), gnomevfs-mkdir(1) NOTES
Written by Stephen Browne, Sun Microsystems Inc., 2004. SunOS 5.10 6 Sep 2004 gnomevfs-cat(1)
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