ISNUM(1) User Commands ISNUM(1)NAME
isnum - AME
SYNOPSIS
Return 1 if argument is an integer, 2 if it is floating point, else 0
DESCRIPTION isnum 3.8.4 June 2012 ISNUM(1)
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isnan(3M)isnan(3M)NAME
isnan() - floating-point test for NaN
SYNOPSIS
floating-type
DESCRIPTION
The macro determines whether its argument is a NaN. The argument must be of floating type. For HP Integrity servers, the argument can be
any floating type. For PA-RISC, the argument must be either or
The macro implements the functionality recommended by the IEEE-754 standard for floating-point arithmetic.
The macro replaces the and functions, which are obsolete and are no longer supported.
USAGE
To use the macro, compile either with the default option or with the and options. Make sure your program includes Link in the math library
by specifying on the compiler or linker command line.
RETURN VALUE
The macro returns a nonzero value if and only if its argument has a NaN value. The macro raises no floating-point exceptions.
ERRORS
No errors are defined.
EXAMPLES
Take certain actions if is not a NaN:
SEE ALSO fpclassify(3M), isfinite(3M), isinf(3M), isnormal(3M), signbit(3M), math(5).
STANDARDS CONFORMANCE isnan(3M)
Hi,
I have written one script for sending mails with attachment.
currently its working for only one recipient.
I want to send mails to n number of users by taking user input i.e number of users.
Output of current script:
Enter how many files : 1
Enter First Name : kiran
E-Mail... (2 Replies)
hi all
i'm new in shell scripting and now i'm working on project and i wanna make a function take input from user and test it's datatype then if correct write it to file
i wounder what is the best way to do this ?
can i use awk ?
edit by bakunin: Please give your threads a meaningful... (5 Replies)
Hello,
I want to check whether string has only numeric characters. The following code doesn't work for me
#!/usr/local/bin/bash
if ]]; then
echo "true"
else
echo "False"
fi
# ./yyy '346'
False
# ./yyy 'aaa'
False
I'm searching for solution using character classes, not regex.... (5 Replies)
I have a file say "SAMPLE.txt" with following content,
P1
10,9:6/123456
P2
blah blah
P1
10,9:5/98765
P2
blah
blah
P1
blah blah
P2
I want a output file say "RESULT.txt" as,
Value1:123456
Value2:98765
Value3:NULL (17 Replies)
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)
Hi experts,
I want to group by average, for multiple columns starting column $7 until NF,
group by ($1-$5), please help
For just 7th column, I can do
awk '
NR>1{
arr += $7
count += 1
}
END{
for (a in arr) {
print a, arr/count
... (10 Replies)
I'm building a script that may received start and end date as parameters. I whant to make it as flexible as possible so I'm accepting epoch and date in a way that "date --date=" command may accept. In order to know if parameter provided is an epoc or a "date --date=" string I evaluate if the value... (2 Replies)
I have a fortran file with code declarations such as
Subroutine str_tnum_tu &
( &
s, dl, tu, pos &
)
!
Class (*), Intent (InOut) :: tu(:)
Character (Len=*), Intent (In) :: s, dl
Character (Len=*), Intent (In), Optional :: pos
...
or
... (11 Replies)
The below bash is a file validation check executed that will verify the correct header count of 10 and the correct data type in each field of the tab-delimited file. The key has the data type of each field in it. My real data has 58 headers in it but only the header and next row need to be... (6 Replies)