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at command - Run a shell script or command at a specific time in linux terminal In this article we can learn how to run a command at specific time in linux. Run and execute a command or shell script in specific given time in linux terminal. Execute a command at specific time: 1 echo "/usr/bin/notify-send hello" | at …
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Array - Get last element of an array in linux shell In this article we learn about how to get last element of an array in linux shell in linux terminal. We can use negative index: 1 arr=( usdt btc eos ) 2 echo "${arr[-1]}" 1 arr=( usdt btc eos ) 2 echo "${arr[-2]}" Helpful links: …
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Array - Get Number of elements in a array in linux terminal In this article we can learn how to Display elements count in a array in linux terminal shell. 1 arrayNames=( btc eos eth usdt ltc) 2 echo ${#arrayNames[@]} OR: 1 arrayNames=( btc eos eth usdt ltc bch) 2 echo ${#arrayNames[*]} Helpful links: …
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Array - Add new elements to an array using linux terminal In this article we can learn how to add/create new elements in an array push elements to a array without elements index in linux terminal bash. Push elements to a array without elements index On linux shells arr[0]="new" and arr[1]="newest" methods are not …
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Array - Create an simple array in linux terminal In this article we can learn how to declare/define/create an array in linux commandline terminal. method1) using direct index values: usage: 1 array[value]="element" examples: 1 arrayNames[0]="btc" 2 arrayNames[1]="usdt" 3 arrayNames[2]="eth" 4 echo "${arrayNames[@]}" …
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Array - Display all elements in a array in linux In this article we can learn how to display each element in a array using for loop in linux terminal 1 arrayNames=( btc usdt eos eth ) 2 for names in "${arrayNames[@]}" 3 do 4 echo "$names" 5 done Display all the elements in an array: 1 arrayNames=( btc usdt eos eth ) 2 …
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Array - Display elements in a range in linux shell In this article we can learn how to display elements in a specific range in linux terminal shell. Index 2 to 4: 1 arrayNames=( btc eos eth usdt ltc) 2 echo ${arrayNames[@]:2:4} Index 1 to 3: 1 arrayNames=( btc eos eth usdt ltc) 2 echo ${arrayNames[@]:1:3} Helpful …
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Addition Substract Multiply Divide - Calculate the sum of integers or string and decimals using linux terminal Do various math calculations like Addition,Substract,Multiply,Divide to get sum of integers or string and decimals using linux terminal First two methods can only calculate integers so won't work with …
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