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replace part of single string in a file
Post 302222353 by nixjennings on Wednesday 6th of August 2008 05:11:51 PM
08-06-2008
replace part of single string in a file
hi!
i have a file consisting of the following lines:
(BTW, [] = space)
.
.
.
12[]ME_T1mapping_flip30[]bshort[]f
13[]DCE_whole_brain[]bshort[]f
13[]DCE_3D[]bshort[]f
.
.
.
the list of scans starts at 1 and goes on sometimes up to 60 scans. i would like to change only the lines that contain 'whole' to this:
13[]DCE_whole_brain[]spm[]f
but the scans containing 'whole' are not always on line 13, and they do not always say DCE_whole_brain, they change. but they always include the word 'whole'.
my question is can you scan the file for lines that contain the string 'whole' and change only the 'bshort' to 'spm', while leaving the rest of the file intact?
i've used 'sed' to get up to the point shown above, but now i'm stuck on how to find only parts of a string, change them and leave the rest of the file alone.
any help would be greatly appreciated. thanks!
i have a file consisting of the following lines:
(BTW, [] = space)
.
.
.
12[]ME_T1mapping_flip30[]bshort[]f
13[]DCE_whole_brain[]bshort[]f
13[]DCE_3D[]bshort[]f
.
.
.
the list of scans starts at 1 and goes on sometimes up to 60 scans. i would like to change only the lines that contain 'whole' to this:
13[]DCE_whole_brain[]spm[]f
but the scans containing 'whole' are not always on line 13, and they do not always say DCE_whole_brain, they change. but they always include the word 'whole'.
my question is can you scan the file for lines that contain the string 'whole' and change only the 'bshort' to 'spm', while leaving the rest of the file intact?
i've used 'sed' to get up to the point shown above, but now i'm stuck on how to find only parts of a string, change them and leave the rest of the file alone.
any help would be greatly appreciated. thanks!
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LEARN ABOUT DEBIAN
dpkg::changelog::entry::debian
Dpkg::Changelog::Entry::Debian(3) libdpkg-perl Dpkg::Changelog::Entry::Debian(3) NAME
Dpkg::Changelog::Entry::Debian - represents a Debian changelog entry DESCRIPTION
This object represents a Debian changelog entry. It implements the generic interface Dpkg::Changelog::Entry. Only functions specific to this implementation are described below. VARIABLES
$regex_header, $regex_trailer are two regular expressions that can be used to match a line and know whether it's a valid header/trailer line. The matched content for $regex_header is the source package name ($1), the version ($2), the target distributions ($3) and the options on the rest of the line ($4). For $regex_trailer, it's the maintainer name ($1), its email ($2), some blanks ($3) and the timestamp ($4). FUNCTIONS
my @items = $entry->get_change_items() Return a list of change items. Each item contains at least one line. A change line starting with an asterisk denotes the start of a new item. Any change line like "[ Raphael Hertzog ]" is treated like an item of its own even if it starts a set of items attributed to this person (the following line necessarily starts a new item). my @errors = $entry->check_header() my @errors = $entry->check_trailer() Return a list of errors. Each item in the list is an error message describing the problem. If the empty list is returned, no errors have been found. $entry->normalize() Normalize the content. Strip whitespaces at end of lines, use a single empty line to separate each part. UTILITY FUNCTIONS
my @closed_bugs = find_closes($changes) Takes one string as argument and finds "Closes: #123456, #654321" statements as supported by the Debian Archive software in it. Returns all closed bug numbers in an array. AUTHOR
Raphael Hertzog <hertzog@debian.org>. 1.16.15 2014-06-05 Dpkg::Changelog::Entry::Debian(3)