John1024 questions

John1024 answers

• how to sum up matrices in multiple files using bash or awk
• How can I match zero or more instances of a pattern in bash?
• how to replace delimiter when delimiter also present in field data at any place in a file?
• How to capture the output of a top command (for a specific process that will die) in a file
• add string to the beginning of a text file without new line
• Bash doesn't end the loop despite pipeline is broken
• Why does dollar not match literal dollar when extended regex (ERE) option is used with sed?
• Return most frequent letter lowercase and in alphabetical order
• AWK array from split not sorted
• Combine elements of a list with all possible separators