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how to subtract a constant value from a data file?
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Trouble in adding a column with awk
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bash script using awk to rename file using timestamp
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Diff the output of two `awk` commands
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Extract substring in Bash
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Tool in UNIX to subtract dates
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Perform floating point arithmetic in shell script variable definitions
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want the last line when duplicate awk?
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number lines in a file
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
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Use a shell variable in awk
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How to sort a vector containing const values
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How do I use floating-point division in bash?
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Awk: extract different columns from many different files
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An efficient way to transpose a file in Bash
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Floating point comparison with variable in bash
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How to Remove Strings between two Parenthesis in Unix