09-15-2013
I am not sure what your question is? Your code works.
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1. UNIX for Dummies Questions & Answers
If I have a variable $X, how do I check it is a number?
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Hello
I want to check for NULL variable..
but this is not working..please help
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Hello All,
I have a script that will email out if the email address is specified as parameter 1.
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Following did not work, I am getting error
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Hi
I am writing a bash script and would like to check is a variable contains a . or not
ex.
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Hi all,
to check that a variable is not empty, I usually do:
if ; then...
or
if ; then...
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hi to all,
i want to check the value of a variable that it contains characters.
for example i try the following:
if then .........
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I have seen many posts for this sort of problem but I just did not know how to use it for my issue. A number is assigned to a variable and I wanted to check if it is a zero or non zero.
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#!/bin/sh
echo "Running Script to capture ORACLE Erros"
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if then
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I have a script /root/asas with following contents.
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if ; then
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10. Shell Programming and Scripting
hi,
i want to check whether a a variable contains some value or is empty in a shell script. so if the variable contains some value i want to do some job and if the variable doesnt contain any value then i need to skip that job.
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TGET(1) General Commands Manual TGET(1)
NAME
tget - get termcap values
SYNOPSIS
tget [-flag id] [-num id] [-str id] [-goto col line] [[-echo] string]
DESCRIPTION
Tget allows shell scripts access to the termcap(3) functions. Flags, numbers and strings can be queried from the termcap database under
the entry denoted by the environment variable $TERM.
OPTIONS
-flag id
Set the exit status to zero if the flag id is set. All other options except -echo set the exit status to id being available or not.
The last option sets the final exit code.
-num id
Print the value of the numeric variable id.
-str id
Print the value of the string variable id.
-goto col line
Generates instructions to go to the given column and line if the cm capability exists.
-echo string
Prints string. Any other argument that does not start with a dash is also printed.
EXAMPLE
Try this: tget -str so 'Reverse Video' -str se
ENVIRONMENT
TERM Terminal type.
TERMCAP Path to the termcap database, by default /etc/termcap:/usr/etc/termcap.
SEE ALSO
termcap(3).
DIAGNOSTICS
Tget will fail immediately with a descriptive message if the termcap entry can't be found.
AUTHOR
Kees J. Bot (kjb@cs.vu.nl)
TGET(1)