12-19-2017
awk DOES understand a | character in a RE because it actually takes ERE, just like GNU sed with the -r option.
But a standard sed does NOT.
Your awk code has several bugs.
Is this homework/coursework?
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LEARN ABOUT DEBIAN
cscope-indexer
cscope-indexer(1) General Commands Manual cscope-indexer(1)
NAME
cscope-indexer - Script to index files for cscope
SYNOPSIS
cscope-indexer [-v] [-f database_file] [-i list_file] [-l] [-r]
DESCRIPTION
This script generates a list of files to index (cscope.out), which is then (optionally) used to generate a cscope database. You can use
this script to just build a list of files, or it can be used to build a list and database. This script is not used to just build a data-
base (skipping the list of files step), as this can be simply done by just calling "cscope -b".
Normally, cscope will do its own indexing, but this script can be used to force indexing. This is useful if you need to recurse into sub-
directories, or have many files to index (you can run this script from a cron job, during the night). It is especially useful for large
projects, which can contstantly have source files added and deleted; by using this script, the changing sources files are automatically
handled.
Currently, any paths containing "/CVS/" or "/RCS/" are stripped out (ignored).
OPTIONS
-f database_file
Specifies the cscope database file (default: cscope.out).
-i list_file
Specifies the name of the file into which the list of files to index is placed (default: cscope.files).
-l Suppress the generation/updating of the cscope database file. Only a list of files is generated.
-r Recurse into subdirectories to locate files to index. Without this option, only the current directory is searched.
-v Be verbose. Output simple progress messages.
SEE ALSO
cscope(1)
AUTHOR
This manual page was written for the Debian GNU/Linux system by Robert Lemmen <robertle@semistable.com> (but may be used by others, of
course)
Script to index files for cscope 30. December 2002 cscope-indexer(1)