03-29-2006
sed -e "s/[' ']*|/|/g" $FILE
Using the line of code above, i get trailing spaces to be removed between the end of the field and the delimiter. I was hoping someone might explain how the command knows to take from the last space.
For example, if i have a field a row in $FILE such as...
this is field 1 | this is field 2 | a lot of text in field 3
...how does the command know to remove the space after the "1" instead of taking everything after the first space, i.e., after "this".
Any explanation would be hugely appreciated.
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LEARN ABOUT LINUX
git-stripspace
GIT-STRIPSPACE(1) Git Manual GIT-STRIPSPACE(1)
NAME
git-stripspace - Remove unnecessary whitespace
SYNOPSIS
git stripspace [-s | --strip-comments] < input
DESCRIPTION
Clean the input in the manner used by Git for text such as commit messages, notes, tags and branch descriptions.
With no arguments, this will:
o remove trailing whitespace from all lines
o collapse multiple consecutive empty lines into one empty line
o remove empty lines from the beginning and end of the input
o add a missing
to the last line if necessary.
In the case where the input consists entirely of whitespace characters, no output will be produced.
NOTE: This is intended for cleaning metadata, prefer the --whitespace=fix mode of git-apply(1) for correcting whitespace of patches or
files in the repository.
OPTIONS
-s, --strip-comments
Skip and remove all lines starting with comment character (default #).
-c, --comment-lines
Prepend comment character and blank to each line. Lines will automatically be terminated with a newline. On empty lines, only the
comment character will be prepended.
EXAMPLES
Given the following noisy input with $ indicating the end of a line:
|A brief introduction $
| $
|$
|A new paragraph$
|# with a commented-out line $
|explaining lots of stuff.$
|$
|# An old paragraph, also commented-out. $
| $
|The end.$
| $
Use git stripspace with no arguments to obtain:
|A brief introduction$
|$
|A new paragraph$
|# with a commented-out line$
|explaining lots of stuff.$
|$
|# An old paragraph, also commented-out.$
|$
|The end.$
Use git stripspace --strip-comments to obtain:
|A brief introduction$
|$
|A new paragraph$
|explaining lots of stuff.$
|$
|The end.$
GIT
Part of the git(1) suite
Git 1.8.5.3 01/14/2014 GIT-STRIPSPACE(1)