One line for loop

for i in $(seq $START $STEP $END); do echo "Iteration $i"; someCommand; someOtherCommand ; done

*INFO: $START: The starting value for the for loop, can be replaced by an integer.
$STEP: The step that the for loop is performing at the end of each iteration, can be replaced by an integer.
$END: The ending value for the for loop, can be replaced by an integer.

*NOTE: All kinds of bash for loops can be coded as above and made into one liners.

One line infinite while loop

while true; do echo 'Hit CTRL+C to exit'; someCommand; someOtherCommand; sleep 1; done alternative syntax while :; do echo 'Hit CTRL+C to exit'; someCommand; someOtherCommand; sleep 1; done

28 September 2011

In "Bash"

Convert a list of integers from MySQL to a Bash array

The following code will connect to a MySQL server, it will get a list of integers and convert the results to a bash array that will be iterated using a for loop and they will be printed using zero padding.

30 August 2016

In "Bash"

GNU Linux/Bash: A function that splits a word in half

The following function takes one argument - a text file.The text file should contain one word on each line.The function reads the text file (argument) line by line.Then it checks if the line has one word; if this is true, it splits the word in half.Finally, it prints the two…

11 August 2022

In "Bash"

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