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Full Discussion: String formatting using AWK
Top Forums Shell Programming and Scripting String formatting using AWK Post 302409501 by sugan on Thursday 1st of April 2010 10:29:20 AM
Old 04-01-2010
String formatting using AWK
Hi,
I need to insert a line at a particular line number. I am using the below code:

Code:
sed $REV_LINO_NO" i\\
# $CURRENT_DATE $NAME           Changed pwd for cindy\'s id" file > file1

This code works, but the formatting is not as I expected. For example, I get lines as shown below according to the length of the variable '$NAME'

Code:
# 20100401 Sudha           Changed pwd for cindy's id
# 20100401 Sudhaaaaaa       Changed pwd for cindy's id
# 20100401 Su           Changed pwd for cindy's id

I have to format the line that I am inserting as shown below:
Code:
20100401 Sudha        Changed pwd for cindy's id
20100401 Sudhaaaaaa   Changed pwd for cindy's id
20100401 Su           Changed pwd for cindy's id

i.e I want the 4th feild, "Changed pwd for cindy's id" to start at a fixed place. I tried something with awk as shown below:

Code:
echo hi hellll hi | awk '{printf "# %s %s %30s\n", $1,$2,$3}'

but this does not work as I expect.

Your input will be of great help.

Thanks,
Sugan.
 

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LEARN ABOUT OPENSOLARIS

pwd

pwd.h(3HEAD)							      Headers							      pwd.h(3HEAD)

NAME

       pwd.h, pwd - password structure

SYNOPSIS

       #include <pwd.h>

DESCRIPTION

       The <pwd.h> header provides a definition for struct passwd, which includes the following members:

	 char  *pw_name     user's login name
	 uid_t pw_uid	    numerical user ID
	 gid_t pw_gid	    numerical group ID
	 char  *pw_dir	    initial working di rectory
	 char  *pw_shell    program to use as shell

       The gid_t and uid_t types are defined as described in <sys/types.h>. See types.h(3HEAD).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getpwnam(3C), types.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    10 Sep 2004 						      pwd.h(3HEAD)
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