06-07-2012
Removing double spaces in code
I want to be able to spot double spaces in code and then also replace it with a single space. Double spaces sometimes occur accidentally in code, but most often they are indents or seperate code from comments ("//"). In summary: I want to replace double spaces with single spaces where they do not appear at the beginning of the line and do not appear prior to "//".
How do I do this in for instance sed?
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LEARN ABOUT ULTRIX
roffbib
roffbib(1) General Commands Manual roffbib(1)
Name
roffbib - run off bibliographic database
Syntax
roffbib [options] [file...]
Description
The command prints out all records in a bibliographic database, in bibliography format rather than as footnotes or endnotes. Generally it
is used in conjunction with
sortbib database | roffbib
Options
The command accepts most of the options understood by nroff(1).
-Tterm Uses specified name as terminal type for which output is prepared.
-x Suppresses the printing of abstracts.
If abstracts or comments are entered following the %X field key, formats them into paragraphs for an annotated bibliography. Several %X
fields may be given if several annotation paragraphs are desired.
-e Formats text with equally spaced words, justified lines, and full resolution.
-h Uses tabs in horizontal spacing to speed output and reduce output character count. Tab characters are assumed to be every 8 nominal
character widths.
-n Uses specified number (-nN) as first page to be printed.
-o Uses specified list (-olist) as only pages to be printed. A range N-M means pages N through M. An initial -N means from the begin-
ning to page N. A final N- means from N to the end.
-s Stops after specified number of pages (-sn).
-m mac Specifies a user-defined set of macros with space between -m and the macro file name. This set of macros replaces the ones defined
in /usr/lib/tmac/tmac.bib.
-V Sends output to the Versatec.
-Q Queues output for the phototypesetter.
-raN Sets named register a to specified value N.
Four command-line registers control formatting style of the bibliography, much like the number registers of ms(7). The command-line argu-
ment -rN1 numbers the references starting at one (1). The flag -rV2 double spaces the bibliography, while -rV1 double spaces references
but single spaces annotation paragraphs. The line length can be changed from the default 6.5 inches to 6 inches with the -rL6i argument,
and the page offset can be set from the default of 0 to one inch by specifying -rO1i (capital O, not zero). Note: with the -V and -Q flags
the default page offset is already one inch.
Files
/usr/lib/tmac/tmac.bib file of macros used by nroff/troff
See Also
addbib(1), indxbib(1), lookbib(1), refer(1), sortbib(1)
roffbib(1)