cut empty lines from a file (bash script)
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Remove the last line from a file in Bash
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How can I expand a quoted variable to nothing if it's empty?
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How to check if file is empty or it has only blank characters?
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How do I trim a file extension from a String in Java?
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Pasting multiple lines into IDLE
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bash - replace space with new line
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remove lines that contain a specific text in a file
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Remove Blank ROWS from CSV files in php
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How do I trim whitespace?
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replace a line with bash script
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Blank lines or \par break xparse or ifthen macro
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How to split a comma-delimited string into an array of empty strings
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Is there a faster way to remove a line (given a line number) from a file?
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\input only part of a file
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Command substitution: splitting on newline but not space