12-15-2008
Rehrase
Actually let me rephrase my question. I hope I am not annoying you with this. I actually put my question wrongly last time.
I actually want (based on the first column) to have the difference of the first and last value (it does not have to be in the same script as you originally wrote, this can be a second script that I would run after running your script that did the magic for me earlier). It outputs the result as follows;
DATA_444_0 299659.88 2686034.50 -5222.89
DATA_444_0 299646.31 2686026.00 -5226.55
DATA_444_0 299634.50 2686018.50 -5229.11
DATA_444_0 299622.41 2686010.75 -5230.46
DATA_451_0 299369.53 2684876.00 -5191.90
DATA_451_0 299357.28 2684869.25 -5194.87
DATA_451_0 299332.78 2684855.50 -5197.94
I want the difference of the last and the 1st value in the last (4th) column for records based on the first column. Thus from the second script (if you can write it as another script) to give me the following result
DATA_444_0 -7.57 # (-5230.46 - ( -5222.8))
DATA_451_0 -6.04 # (-5197.94 - (-5191.0))
............
............
i.e. each time the value changes in the first column, i want the difference of the last and the first record in the 4th column for each value in the first column and output as above.
I hope I am able to describe the question appropriately. I would remember you in my prayers for helping me on this.
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LEARN ABOUT OPENSOLARIS
script
script(1) User Commands script(1)
NAME
script - make record of a terminal session
SYNOPSIS
script [-a] [filename]
DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
record is saved in the file typescript. See WARNINGS.
The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
when the forked shell exits or when Control-d is typed.
OPTIONS
The following option is supported:
-a Appends the session record to filename, rather than overwriting it.
NOTES
script places everything that appears on the screen in filename, including prompts.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|CSI |Enabled |
+-----------------------------+-----------------------------+
SEE ALSO
attributes(5)
WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
privileged user, that is, root. Be sure that typescript is not a link before running script.
SunOS 5.11 30 Jan 2004 script(1)