$ [ 1 -eq 1 ]; echo $? 0 $ [ 1 -eq 2 ]; echo $? 1 $ test 1 -eq 1; echo $? 0 The == inside of single or double brackets (or the test command) is one of the string comparison operators:

BTW, in bash a semi-colon is a statement separator, not a statement terminator, which is a new-line. So if you only have one statement on a line then the ; at end-of-line are superfluous. Not …

Feb 10, 2010 · How do I compare a variable to a string (and do something if they match)?

Jan 24, 2013 · Comparing two files in Linux terminal Asked 12 years, 9 months ago Modified 1 year ago Viewed 485k times

I am trying hard to compare two floating point numbers within a Bash script. I have two variables, e.g. let num1=3.17648e-22 let num2=1.5 Now, I just want do a simple comparison of these …

8 I don't have access to a Linux box right now, but [ is actually a program (and a Bash builtin), so I think you have to put a space between [ and the first parameter. Also note that the string …

Diff with the following options would do a binary comparison to check just if the files are different at all and it'd output if the files are the same as well: diff -qs {file1} {file2}

In Bash, two integers can be compared using conditional expression arg1 OP arg2 OP is one of -eq, -ne, -lt, -le, -gt, or -ge. These arithmetic binary operators return true if arg1 is equal...

Nov 13, 2009 · The question indicates that == is used to compare two strings, but the response demonstrates case-insensitive comparison using a case statement. Reassuringly, the shopt …

the following example shows hot to compare numbers I give here two different ways one way with the ">" and "<" and second way with "-gt" or "-lt" both ways are work exactly so what the diffe...