Hello!
I want to evaluate some mathematical expressions in a script and I try to use 'expr' command.
Unfortunatally, when I have, for example,
expr 8.2 + 6
the result is 'expr: non-numeric argument'
Why ?
I work on SunOs 5.7.
Thanks in advance
Nathe (5 Replies)
i am new to shell programming, currently using redhat linux of version
2.4.20-8.
i have problem in executing expr command in the following shell script
$ x=5
$ x='expr $x + 1'
$ echo $x
the output is displaying always
expr $x + 1
Pls guide me for the above query (3 Replies)
What is the difference between test expr VS .
For example :
if test 5 -eq 6
echo "Wrong"
and
if
echo "Wrong"
bot will give the same output as Wrong.
Now, what is the difference between these two? though they are producing the same result why we need two?
Any answer will be... (2 Replies)
I'm trying to check if a variable'd string is only one character and use that in an if statement the only way I could find is:
$expr "${var}" : . # expr STRING : regrep
where the "." is the grep wildcard for any single character.
Whats wrong with my code here and is there a... (3 Replies)
$ cat > mtable
#!/bin/sh
#
#Script to test for loop
#
#
if
then
echo "Error - Number missing form command line argument"
echo "Syntax : $0 number"
echo "Use to print multiplication table for given number"
exit 1
fi
n=$1
for i in 1 2 3 4 5 6 7 8 9 10
do
echo "$n * $i = `expr $i \*... (1 Reply)
Hey there
i want to subtract the content from $b from $a. Each variable has got 18 values (normal numbers from 0 - 99).
How can i subtract them? I know i have to use the expr command, this is what i have till now:
a=`cat Tabelle.dat | awk {'print $4'} | awk -F: {'print $1'}`
b=`cat... (1 Reply)
Hi All,
I'm writing a shell script in KSH, where I want to store the filename, total record count and actual record count of all the source files. The source files reside in 4 different sub-folders under the same root folder.
Below is code:
#!/usr/bin/ksh... (6 Replies)
Hi
I have bellow script:
t1=`cat node1.txt | grep thread1 | cut -f2 -d '-'`
t2=`cat node2.txt | grep thread2 | cut -f2 -d '-'`
t3=`cat node1_rcat.txt | grep thread1 | cut -f2 -d '-'`
t4=`cat node2_rcat.txt | grep thread2 | cut -f2 -d '-'`
if ]; then
echo "no restore" >> log.log... (6 Replies)
Discussion started by: primo102
6 Replies
LEARN ABOUT OSF1
xmcreateselectiondialog
XmCreateSelectionDialog(3X)XmCreateSelectionDialog(3X)NAME
XmCreateSelectionDialog - The SelectionBox SelectionDialog convenience creation function
SYNOPSIS
#include <Xm/SelectioB.h>
Widget XmCreateSelectionDialog (parent, name, arglist, argcount)
Widget parent;
String name;
ArgList arglist;
Cardinal argcount;
DESCRIPTION
XmCreateSelectionDialog is a convenience creation function that creates a DialogShell and an unmanaged SelectionBox child of the
DialogShell. A SelectionDialog offers the user a choice from a list of alternatives and gets a selection. It includes the following: A
scrolling list of alternatives An editable text field for the selected alternative Labels for the text field Four buttons
The default button labels are OK, Cancel, Apply, and Help. One additional WorkArea child may be added to the SelectionBox after creation.
XmCreateSelectionDialog forces the value of the SelectionBox resource XmNdialogType to XmDIALOG_SELECTION.
Use XtManageChild to pop up the SelectionDialog (passing the SelectionBox as the widget parameter); use XtUnmanageChild to pop it down.
Specifies the parent widget ID Specifies the name of the created widget Specifies the argument list Specifies the number of attribute/value
pairs in the argument list (arglist)
For a complete definition of SelectionBox and its associated resources, see XmSelectionBox(3X).
RETURN VALUE
Returns the SelectionBox widget ID.
SEE ALSO XmSelectionBox(3X)XmCreateSelectionDialog(3X)