08-13-2007
space in output from awk command
Hi
I have tried this command
cat /etc/passwd | awk -F: '{print$5}'
note that the $5 is the column that displays full name- i.e. Kevin Kambell
To the point, my output is fine except one thing I do not understand that some of output lines have space in front of them which I checked in /etc/passwd and there were no space before those names.
For example:
Matt damon
Ben Jones
-Kevin Kambell
Steward Note
Joke Chain
-William Ink
(Note that "-" is the space in the real output
However, the output has no space if I use the command:
awk -F: '{print$5}' /etc/passwd
the output was shown as follows:
Matt damon
Ben Jones
Kevin Kambell
Steward Note
Joke Chain
William Ink
Thanks a lot
Last edited by lalelle; 08-13-2007 at 05:47 PM..
Reason: Spaces were trimmed
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LEARN ABOUT OPENSOLARIS
igawk
IGAWK(1) Utility Commands IGAWK(1)
NAME
igawk - gawk with include files
SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ...
igawk [ all gawk options ] [ -- ] program-text file ...
DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).
AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like
@include getopt.awk
in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.
OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports.
EXAMPLES
cat << EOF > test.awk
@include getopt.awk
BEGIN {
while (getopt(ARGC, ARGV, "am:q") != -1)
...
}
EOF
igawk -f test.awk
SEE ALSO
gawk(1)
Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.
AUTHOR
Arnold Robbins (arnold@skeeve.com).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Availability | SUNWgawk |
+--------------------+-----------------+
|Interface Stability | Volatile |
+--------------------+-----------------+
NOTES
Source for gawk is available on http://opensolaris.org.
Free Software Foundation Nov 3 1999 IGAWK(1)