unix sort according to a header line


 
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Old 02-08-2010
unix sort according to a header line

Hi,

I have a file with a header line, followed by some contents. How can I sort the file according to header lines?

eg.
/* abcd_005*/
a
bc
/* abcd_001*/
d
e
/* abcd_002*/
x
y



desired output:

/*abcd_001*/
d
e
/*abcd_002*/
x
y
/*abcd_005*/
a
bc
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MSGFILTER(1)								GNU							      MSGFILTER(1)

NAME
msgfilter - edit translations of message catalog SYNOPSIS
msgfilter [OPTION] FILTER [FILTER-OPTION] DESCRIPTION
Applies a filter to all translations of a translation catalog. Mandatory arguments to long options are mandatory for short options too. Input file location: -i, --input=INPUTFILE input PO file -D, --directory=DIRECTORY add DIRECTORY to list for input files search If no input file is given or if it is -, standard input is read. Output file location: -o, --output-file=FILE write output to specified file The results are written to standard output if no output file is specified or if it is -. The FILTER can be any program that reads a translation from standard input and writes a modified translation to standard output. Useful FILTER-OPTIONs when the FILTER is 'sed': -e, --expression=SCRIPT add SCRIPT to the commands to be executed -f, --file=SCRIPTFILE add the contents of SCRIPTFILE to the commands to be executed -n, --quiet, --silent suppress automatic printing of pattern space Output details: --no-escape do not use C escapes in output (default) -E, --escape use C escapes in output, no extended chars --force-po write PO file even if empty --indent indented output style --keep-header keep header entry unmodified, don't filter it --no-location suppress '#: filename:line' lines --add-location preserve '#: filename:line' lines (default) --strict strict Uniforum output style -w, --width=NUMBER set output page width --no-wrap do not break long message lines, longer than the output page width, into several lines -s, --sort-output generate sorted output -F, --sort-by-file sort output by file location Informative output: -h, --help display this help and exit -V, --version output version information and exit AUTHOR
Written by Bruno Haible. REPORTING BUGS
Report bugs to <bug-gnu-gettext@gnu.org>. COPYRIGHT
Copyright (C) 2001-2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for msgfilter is maintained as a Texinfo manual. If the info and msgfilter programs are properly installed at your site, the command info msgfilter should give you access to the complete manual. GNU gettext 0.11.4 July 2002 MSGFILTER(1)