Evaluating or expanding a variable to get its value.
I have a Bash variable, $word, which is sometimes a word or sentence, e.g.: word="tiger" Or: word="This …
bash text-processing variable-expansionI ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter …
windows parsing batch-file cmd variable-expansionOr more generally, how do I remove an item from a colon-separated list in a Bash environment variable? I thought …
bash shell path variable-expansion list-processingHow can I expand $pw inside single quotes? $pw = "$PsHome\powershell.exe" cmd.exe /c 'schtasks /create /tn cleanup /tr "$…
powershell variable-expansionRegarding performance, is there any difference between doing: $message = "The request $request has $n errors"; and $message = sprintf('The request %…
php string performance printf variable-expansionThe issue I'm facing is how to pass a command with arguments to docker run. The problem is that docker …
linux bash shell docker variable-expansionI'm trying to split a json file into various json files. The input (r1.json) looks like : { "results" : [ { content 1 } , { content 2 } , { …
bash for-loop variable-expansion#!/bin/sh for i in {1..5} do echo "Welcome" done Would work, displays Welcome 5 times. #!/bin/sh howmany=`grep -c $1 /root/…
bash variables syntax variable-expansionI have a file called "physics 1b.sh". In bash, if I try x="physics 1b" grep "string" "$x".sh …
bash grep double quotes variable-expansion