Hi,
I am cutting data from a fixed length test file and then writing out a new record using the echo command, the problem I have is how to stop multiple spaces from being written to the output file as a single space.
Example:
Code:
cat filea | while read line
do
field1=`echo $line | cut -c1-2`
field2=`echo $line | cut -c10-20`
field3=`echo $line | cut -c21-35`
echo $field1$field2$field3 >>outfile
done
Both field2 & field3 contain variable length text, the unused portion being space filled.
Thanks
Dave
Last edited by dc18; 07-27-2010 at 05:47 PM..
Reason: Please indent your code and use code tags
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LEARN ABOUT SUNOS
print
print(1) User Commands print(1)NAME
print - shell built-in function to output characters to the screen or window
SYNOPSIS
ksh
print [ -Rnprsu [n]] [arg...]
DESCRIPTION
ksh
The shell output mechanism. With no flags or with flag - or -, the arguments are printed on standard output as described by echo(1).
OPTIONS
The following options are supported:
-n suppresses new-line from being added to the output.
-R
-r (raw mode) ignore the escape conventions of echo. The -R option will print all subsequent arguments and options other than
-n.
-p causes the arguments to be written onto the pipe of the process spawned with |& instead of standard output.
-s causes the arguments to be written onto the history file instead of standard output.
-u [ n ] flag can be used to specify a one digit file descriptor unit number n on which the output will be placed. The default is 1.
EXIT STATUS
The following exit values are returned:
0 Successful operation.
>0 Output file is not open for writing.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO echo(1), ksh(1), attributes(5)SunOS 5.10 15 Apr 1994 print(1)