11-15-2007
"awk" doubt- do reply
Hi
I am new to this shell scripting.
how to get the line by line fields in a for loop.
for eg(my script):
line=0
for s in `cat system`
do
line=`expr $line + 1`
a=`awk -F' ' 'NR=$line{print $7}' sample`
done
this is my script where I get a syntax error.
my error: is Field $() is not correct.
The input line number is 1. The file is samp.
The source line number is 1.
can anyone help me.
Last edited by Pradee; 11-15-2007 at 10:29 AM..
Reason: completed the script correctly
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line(1) User Commands line(1)
NAME
line - read one line
SYNOPSIS
line
DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns
an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal.
EXIT STATUS
Exit status is:
0 Successful completion
>0 End-of-file on input.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
sh(1), read(2), attributes(5)
SunOS 5.10 1 Feb 1995 line(1)