Kamal questions

Kamal answers

• how to replace part of a string using sed
• Using a SIGINT from Ctrl+C
• How to gather characters usage statistics in text file using Unix commands?
• vim script "input()" function that doesn't require user to hit enter
• C : how can I change from file descriptor to FILE struct and vice versa?
• grep regex whitespace behavior
• Update git commit author date when amending
• Is gcc's -Wsequence-point warning flag broken?