WebMay 27, 2016 · To check the gcc version, I executed the following gcc --version head -n1 cut -d" " -f4 The output was 4.8.5 So, I wrote a simple if statement to check this version against some other value if [ "$ (gcc --version head -n1 cut -d" " -f4)" -lt 5.0.0 ]; then echo "Less than 5.0.0" else echo "Greater than 5.0.0" fi But it throws an error: WebBash If statement when used with option s , returns true if size of the file is greater than zero. Bash Script File if [ -s /home/tutorialkart/sample.txt ]; then echo "Size of sample.txt is greater than zero" else echo "Size of sample.txt is zero" fi Example 8 – Bash IF -n
What does the operator `-gt` in shell scripts mean? - Unix …
WebThis can be done more conveniently using Bash's numeric context: if ( ( $ (echo "$num1 > $num2" bc -l) )); then … fi Explanation Piping through the basic calculator command bc returns either 1 or 0. The option -l is equivalent to --mathlib; it … WebAug 10, 2024 · bash test.sh The script will prompt you to enter a number. If, for example, you enter 15, the test command will evaluate to true because 15 is greater than 10, and the echo command inside the then clause will be executed. The variable is greater than 10. if..else Statement The Bash if..else statement takes the following form: fishing and life download
How do you write greater than or equal to in Linux shell script?
WebDec 19, 2024 · 3 Answers Sorted by: 30 With awk awk -F: ' {if ($2>10)print$2}' 10)print$2} – for each line, test whether the 2 nd field is >10, if so print it WebOct 22, 2024 · Bash has a large set of logical operators that can be used in conditional expressions. The most basic form of the if control structure tests for a condition and then executes a list of program statements if the condition is true. There are three types of operators: file, numeric, and non-numeric operators. WebOct 6, 2024 · ‘<=’ Operator: Less than or equal to operator returns true if first operand is less than or equal to second operand otherwise returns false ‘>’ Operator: Greater than operator return true if the first operand is … can a woman walk after giving birth