plundra questions

plundra answers

• Test if a variable is read-only
• Locate command can't find anything inside Documents folder on mac
• How to process every second file in bash?
• Python select random date in current year
• Convert hexadecimal color to decimal RGB values in UNIX shell script
• Colors in the psql prompt
• Output redirection doesn't work for a certain program
• getting date from timestamp in PostgreSQL
• How to encode md5 sum into base64 in BASH
• How to use patterns in a case statement?