TLDR Search

Enter a command. For example: standard version, amass intel.

nl

A utility for numbering lines, either from a file, or from standard input. More information: https://www.gnu.org/software/coreutils/nl.

• Number non-blank lines in a file:
   
  nl {{file}}
   
• Read from standard output:
   
  cat {{file}} | nl {{options}} -
   
• Number only the lines with printable text:
   
  nl -t {{file}}
   
• Number all lines including blank lines:
   
  nl -b a {{file}}
   
• Number only the body lines that match a basic regular expression (BRE) pattern:
   
  nl -b p'FooBar[0-9]' {{file}}