Printing out variables inside a file with echo
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Replace environment variables in a file with their actual values?
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variable-variables in PHP
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Read from file into variable - Bash Script take2
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Appending to Variables
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Shell, howto extract letters from $line1="Test this... test this!", and print one by one
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How to add double quotes to a string that is inside a variable?
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How do I print out the contents of a vector?
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How do you echo a 4-digit Unicode character in Bash?
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print variable-name in Matlab
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Shell variable $_ not behaving as expected
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How to write into a file in PHP?
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Is it possible to print the content of the content of a variable with shell script? (indirect referencing)
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using batch echo with special characters
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Printing the value of a variable in SQL Developer
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Echo newline in Bash prints literal \n
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Strange echo, print behaviour in PHP?
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Why does PHP echo'd text lose its formatting?