10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello Team,
I need bash script to check if my output is non numerical or empty. if its then my output should display default value as 0
basically, I am reading value from txt file. most of numerical value, in case there is no numerical value or its empty, then my output should be 0.
... (5 Replies)
Discussion started by: ghpradeep
5 Replies
2. UNIX for Dummies Questions & Answers
friends that way I can validate that the value is numeric taken
instance
var = 12re
if var = numeric then a
echo "Numerical
else
echo "not mumerico"
fi
edit by bakunin: please use CODE-tags for code, data and terminal output (yourself). (9 Replies)
Discussion started by: tricampeon81
9 Replies
3. UNIX for Dummies Questions & Answers
I'm new to Unix and I have been trying to fix this problem for the past week.
How would I use grep to display only certain numbers for a list. For example, if I have this list:
Joe senior 4/50
John junior 25/50
Mary junior 41/50
Martha sophomore 2/50
...How do I get a file... (1 Reply)
Discussion started by: PTcharger
1 Replies
4. UNIX for Advanced & Expert Users
Hello All,
I'm trying to extract the lines between two consecutive elements of an array from a file.
My array looks like:
problem_arr=(PRS111 PRS213 PRS234)
j=0
while } ]
do
k=`expr $j + 1`
sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt
---some operation goes... (11 Replies)
Discussion started by: InduInduIndu
11 Replies
5. Shell Programming and Scripting
CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error.
source $CA_VERSION_DATA
if * ]
then
echo "CA_RELESE $CA_RELEASE is invalid"
exit -1
fi
+ source /etc/ncgl/ca_version_data
++ CA_PRODUCT_ID=samxts
++ CA_RELEASE=6
++ CA_WEEK_NO=7
++... (3 Replies)
Discussion started by: ketkee1985
3 Replies
6. Shell Programming and Scripting
Hi,
Hope someone can shed some light on this...
I have two lists of numbers I am comparing using COMM. If the first list is empty, and I sort both lists like so:
DIFF=`comm -3 <(echo "$EMPTY" | sort -n) <(echo "$NUMBERS" | sort -n)`I get the error: comm: file 2 is not in sorted order
But... (2 Replies)
Discussion started by: LostInTheWoods
2 Replies
7. Shell Programming and Scripting
Hi
I have a variable which should be any number between 1 and 50.
It could also be any string/empty string.
I have a code written below. The point is when the variable contains string.
I don't want the code below to error out. Instead fall in the else bucket.
&& dothis_1 || dothis_2 (1 Reply)
Discussion started by: tostay2003
1 Replies
8. Programming
I had seen this error for the first time .....
error: initializer expression list treated as compound expression
please help.... (12 Replies)
Discussion started by: arunchaudhary19
12 Replies
9. Shell Programming and Scripting
I need to distinguish between numerical characters in a script:
echo "Enter a number."
read num
if (( $num = * )) ; then
exit 0
fi
this RegX does not work.
Any suggestions? (5 Replies)
Discussion started by: prkfriryce
5 Replies
10. Shell Programming and Scripting
I'm tryning to do something like this,
I have this file:
spaces12tabgoodbye
spaces3tabhello
I want to copy to another file the lines that have the number above 10...
I thought using sort -rn but I don't know how to discard the lines that have the number below 10.
Any idea?
Thanks (3 Replies)
Discussion started by: pmpx
3 Replies