Sponsored Content
Top Forums UNIX for Dummies Questions & Answers Single or double square brackets Post 302708187 by pamu on Monday 1st of October 2012 07:24:46 AM
Old 10-01-2012
First whenever you are using square brackets.
Use space in between square brackets and conditions.
Use quotes around it..

Code:
if [ "$ESEGUI" == "SI" && "$Ora" -ge "$TimeOverRun" ];

#and

if [[ $ESEGUI == SI && $Ora -ge $TimeOverRun ]];


Last edited by pamu; 10-01-2012 at 08:44 AM..
 

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 Replies)
Discussion started by: gilead29
2 Replies

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 (5 Replies)
Discussion started by: napolayan
5 Replies

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... (1 Reply)
Discussion started by: ankimo
1 Replies

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? (10 Replies)
Discussion started by: mojoman
10 Replies

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. (3 Replies)
Discussion started by: tsu3000
3 Replies

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... (2 Replies)
Discussion started by: King Nothing
2 Replies

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... (3 Replies)
Discussion started by: shoaibjameel123
3 Replies

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... (2 Replies)
Discussion started by: nes
2 Replies

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... (18 Replies)
Discussion started by: nes
18 Replies

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... (1 Reply)
Discussion started by: mad man
1 Replies
CONVERT2SYRTHES(1)					      General Commands Manual						CONVERT2SYRTHES(1)

NAME
convert2syrthes - Convert mesh files to SYRTHES format SYNOPSIS
convert2syrthes -m mesh_file.ext [-dim dimension] [-o output_file.syr] DESCRIPTION
This manual page documents briefly the convert2syrthes command. convert2syrthes can convert mesh files from GAMBIT, GMSH or MED to SYRTHES format A detailed documentation is available at <http://rd.edf.com/syrthes> OPTIONS
-m mesh_file.ext Specify the mesh file to convert. The mesh format is inferred from the file's extension: * .neu (GAMBIT format) * .msh (GMSH format) * .med (MED format) Note: For MED format, convert2syrthes creates an additionnal ASCII file (..._desc) where one finds the links between group names (used in Salome) and family (or references) numbers used in SYRTHES -dim dimension With dimension = 2 or 3. This options is requested for the GMSH file format, and ignored in the other cases -o output_file.syr To change the name of the output file. EXAMPLES
convert2syrthes -m square.med --> square.syr square.syr_desc convert2syrthes -m square.neu --> square.syr convert2syrthes -m square.msh -dim 2 --> square.syr convert2syrthes -m square.med -o square2.syr --> square2.syr square2.syr_desc AUTHOR
Syrthes was written by EDF S.A. <syrthes-support@edf.fr> This manual page was written by Gilles Filippini <gilles.filippini@free.fr> for Debian from the convert2syrthes README.txt file. February 10, 2011 CONVERT2SYRTHES(1)
All times are GMT -4. The time now is 07:27 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy