10-22-2013
Quote:
Originally Posted by
Scrutinizer
Instead of "$T20-$T120", the proper syntax would be "$(( T20 - T120 ))"
--edit--
That should be $(echo "$T20 - $T120" | bc) since it is bash, not ksh93
Thanks a lot! Sorry i've forgotten to tell, that i'm using bash. And with
$(echo "$T20 - $T120" | bc)
it's working fine.
how can i extend the echo-term. finally i want to check in which range the difference is. So is it between 0 an 1, then print A. Is it between 1 and 2 print B.
Is it possible to construct this with a case-statement?
Thanks in advance!
IMPe
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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)