Bash Assign Command Output To Variable

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Unix linux bash script how to assign each line of command output to Redirect command output to variable bash script youtube. Windows retrieve command output to variable when command has spacesHow to assign output of a linux command to a variable bash.

Bash Assign Command Output To Variable

4 Answers Sorted by 38 Like this eval c var a better safer way is to use indirection c var Share Improve this answer Follow answered Aug 12 2013 at 11 04 perreal 95 3k 21 155 182 Thank you for this I ve been struggling to do a variable variable in bourne shell for good few hours Unix linux bash assign variable and print to stdout in same command. Assign command output to variable bash all answers brandiscraftsSet variable to output of command in bash delft stack.

Unix Linux BASH Script How To Assign Each Line Of Command Output To

When you run a command it produces some kind of output either the result of a program is suppose to produce or status error messages of the program execution details Sometimes you may want to store the output of a command in a variable to be used in a later operation Bash Assign Output of Shell Command To And Store To a Variable To assign output of any shell command to variable in bash, use the following command substitution syntax: var =$ ( command-name-here) var =$ ( command-name-here arg1) var =$ (/ path / to /command) var =$ (/ path / to /command arg1 arg2)

JavaScript Variable Declare Assign A Value With Example YouTube

Bash Assign Command Output To VariableThat being said - assigning the output of a command to a variable in Bash is as easy as: VARIABLE=$ ( command ) echo "$ {VARIABLE}" Running $ {variable} is known as parameter expansion, and is used to evaluate and fetch the value associated with a reference variable. You want to capture the output of a command so you need to use command substitution thefile ls t U grep m 1 Screen Shot Some literature shows an alternate syntax thefile ls the backquote syntax is equivalent to the dollar parentheses syntax except that quoting inside backquotes is weird sometimes so just use

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