How do I obtain the nth element in an array in a bash shell script?



How do I use the builtin bash select command in a shell script?



How do I determine the process id of the current bash shell?



How do I determine the size of my bash history file?



How do I list variables that being with a specific prefix in a bash shell script?



How do I delete a string pattern in a variable using a bash shell script?



How do I list subscripts in an array using a bash shell script?



How do I count the number of elements in an array using a bash shell script?



How do I replace the all string pattern in a variable using a bash shell script?



How do I define an associative array in a bash shell script?



How do I replace the first string pattern in a variable using a bash shell script?



How do I determine the number of positional parameters in a bash shell script?



How do I assign a variable only if another variable is set in a bash shell script?



How do I assign a value to a variable if there is no default value in a bash shell script?



How do I assign and reference a shell variable in a bash script?



How do I insert a heredoc into a bash shell script?



How do I determine the file name used to store my bash history commands?



How do I find the value of the last positional argument in a bash shell script?



How do I determine the last background process id in a bash shell script?



How do I remove the shortest & longest leading patterns of a substring in bash shell script?



How do I assign a value to variable when a different variable has no default value in a bash shell script?



How do I print a message if a variable is not set and then exit the bash shell script?



How do i use positional parameters in a bash shell script?



How do I control options for the current bash shell session?



How do I replace a string at the end of a variable using a bash shell script?



How do I replace a string at the beginning of a variable using a bash shell script?



How do I display the exit status of the last command in bash?



How do I a obtain particular length of a string variable using a bash shell script?



How do I count the length of a variable in a bash shell script?



How do I display the options currently set by my bash shell?



How do I remove the shortest & longest trailing patterns of a substring in bash shell script?


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