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Full Discussion: Bulk changes using sed
Top Forums Shell Programming and Scripting Bulk changes using sed Post 302915707 by Scrutinizer on Thursday 4th of September 2014 10:55:50 AM
Old 09-04-2014
Mind the details:
Code:
sed 's/^10\.0\.108\..*/10.0.108.11/' file

There needs to be an ^ anchor at the start , otherwise it may match 110.0.108. for example. The anchor at the back can be provided by the third literal dot (although 108 is already three number so it will probably go alright in this case)


To change in the original file in field 24, you need something like:
Code:
sed 's/^\(\([^,]*,\)\{23\}\)10\.0\.108\.[^,]*/\110.0.108.11/' file

In both cases there is no need for the g flag

Or probably better to use an an awk solution ...

=> (In which case there needs to be an FS=, and and OFS=, variable) <=

Last edited by Scrutinizer; 09-04-2014 at 12:18 PM..
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set_color(1)                                                           fish                                                           set_color(1)

NAME
set_color - set_color - set the terminal color set_color - set the terminal color Synopsis set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR] Description Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple, cyan, white and normal. o -b, --background Set the background color o -c, --print-colors Prints a list of all valid color names o -h, --help Display help message and exit o -o, --bold Set bold or extra bright mode o -u, --underline Set underlined mode o -v, --version Display version and exit Calling set_color normal will set the terminal color to whatever is the default color of the terminal. Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey font color, while set_color --bold white will result in a white font color. Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator. set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of ncurses and recompile fish against it in order to fix this issue. Version 1.23.1 Sun Jan 8 2012 set_color(1)
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