Single or double square brackets Post: 302708553

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

square brackets

I would like to substitute a phrase which contains square brackets. change TO how? Thanks

2. UNIX for Dummies Questions & Answers

why put double square brackets in an if clause?

what is the rationale behind putting double square brackets in an if clause? for e.g. if ] || ] || ]; then echo some fields are null fi

3. UNIX for Dummies Questions & Answers

brackets vs parentheses - single and double

hi, unix gurus. i am wondering if someone can give me a clear explanation of the differneces between parentheses and brackets, both single and double. i have heard that double parentheses (( are used for numerical expressions and that single brackets [ are used for strings. but i see...

4. Shell Programming and Scripting

WHy the double square brackets?

One of the senior administrators gave me a shell script to modify and it begins as follows: if ] && ] {more code follows} Why the double square brackets?

5. Shell Programming and Scripting

Use of double square brackets in ksh

Hi First apologies if this has been raised before. I've got the following in a ksh script: if ] For some reason this does not work. But if I remove the double square brackets to: if This works. I thought ksh supported the ]. Or is there more to it? Thanks in advance.

6. Shell Programming and Scripting

Double square brackets question

Hi, I just came across an interesting shell script syntax like the one below: ] && (trap 'rm -rf ${WORK_DIR}/*.$$; echo "\n\nInterrupted !!\n\n"; exit 4' 1 2 3 15) Can someone please explain the code snippet above? The trap command bit is fine but ] && is the hazy part. Generally we use an...

7. Shell Programming and Scripting

Delete text between square brackets and also delete those square brackets using sed or awk

Hi All, I have a text file which looks like this: computer programming systems engineering I want to get rid of these square brackets and also the text that is inside these brackets. So that my final text file looks like this: computer programming systems engineering I am using...

8. Shell Programming and Scripting

Compare the value in between square brackets in file

I wanted to compare the value inside the Squre bracket after Colon ( : ) based on any value(seperated by or operator | ) inside the variable Thread and if match found then wnated to store in output file Input file : 20140320 00:08:43.918 INO 35] - Corporate hub is 20140320 00:08:43.918...

9. Shell Programming and Scripting

Grep number between Square [] brackets

I wanted to store the number inside the square bracket between colon( : ) and closing suqre bracket(]) in some variable. Suppose I have lines like : Input file : 20140320 00:08:23.846 INFO 84] - anything in line 20140320 00:08:23.846 Test 589] - Virtual and lab lab anything...

10. Shell Programming and Scripting

IF statement with square brackets

Hi All, Hope you all are doing good. Yesterday in my project i came across a scenario which i can not guess why it was working in one region and why it was not in another region. Please find my issue below. I am using AIX version 6.0 of UNIX in my project, in shell scripting i have the...

LEARN ABOUT OPENSOLARIS

csqrtf

csqrt(3M)						  Mathematical Library Functions						 csqrt(3M)

NAME

       csqrt, csqrtf, csqrtl - complex square root functions

SYNOPSIS

       c99 [ flag... ] file... -lm [ library... ]
       #include <complex.h>

       double complex csqrt(double complex z);

       float complex csqrtf(float complex z);

       long double complex csqrtl(long double complex z);

DESCRIPTION

       These functions compute the complex square root of z, with a branch cut along the negative real axis.

RETURN VALUES

       These functions return the complex square root value, in the range of the right half-plane (including the imaginary axis).

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cabs(3M), complex.h(3HEAD), cpow(3M), attributes(5), standards(5)

SunOS 5.11							    12 Jul 2006 							 csqrt(3M)