Number lines Supports primitive form of markup Supports concept of “logical pages”.
| Markup | Meaning |
| \:\:\: | Start of logical page header |
| \:\: | Start of logical page body |
| \: | Start of logical page footer |
nl Markup
Must appear on it’s own line
| Option | Meaning |
|---|---|
| -b style | Set body numbering to style, where style is one of the following: |
| a = Number all lines | |
| t = Number only non-blank lines. This is the default. | |
| n = None | |
| pregex = Number only lines matching the BRE regex | |
| -f style | Set footer numbering to style, default is n (none). |
| -h style | Set header numbering to style, The default is one. |
| -n format | Sets numbering format to format, where format is one of the following: |
| ln = Left justified, without leading zeros. | |
| rn = Right justified, without leading zeros | |
| rz = Right justified, with leading zeros. | |
| -p | Do not reset page numbering at the beginning of each logical page |
| -s string | Add string to the end of each line number to create a separator. |
| The default is a single tab char. | |
| -v number | Set first line number of each logical page to number. |
| The default is one. | |
| -w width | Set width of the line number field to width. The default is 6. |
Common nl Options