08-30-2010
sed or awk to parse this text
I am just beginning with sed and awk and understand that they are "per" line input. That is, they operate on each line individually, and output based on rules, etc.
But I have multi-line text blocks that looks as follows, and wish to ONLY extract the text between the first hyphen (-) and the ending part of that phrase even though it is on a next line and may be several sentences. Note these text blocks are among many text blocks with similar features but the distinguishing feature of these text blocks are the *[digits]Some text with a hyphen - this is what I want to extract. Maybe even another sentence, too, on another line.
* [42]Things to do - Wash clothes, clean house, write letters, take dog for walk, watch tv, eat dinner.
* [43]Business items - Provide instructions to clients on property locations, write listing reports, copy contracts to computer disk, call state agencies.
My preferred end result using the above sample is:
Wash clothes, clean house, write letters, take dog for walk, watch tv, eat dinner. Provide instructions to clients on property locations, write listing reports, copy contracts to computer disk, call state agencies.
I could really use some help on this.
Thanks.
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DD(1) General Commands Manual DD(1)
NAME
dd - disk dumper
SYNOPSIS
dd [option = value] ...
EXAMPLES
dd if=/dev/fd0 of=/dev/fd1
# Copy disk 0 to disk 1
dd if=x of=y bs=1w skip=4
# Copy x to y, skipping 4 words
dd if=x of=y count=3
# Copy three 512-byte blocks
DESCRIPTION
This command is intended for copying partial files. The block size, skip count, and number of blocks to copy can be specified. The
options are:
if = file - Input file (default is stdin)
of = file - Output file (default is standard output)
ibs = n - Input block size (default 512 bytes)
obs = n - Output block size (default is 512 bytes)
bs = n - Block size; sets ibs and obs (default is 512 bytes)
skip = n - Skip n input blocks before reading
seek = n - Skip n output blocks before writing
count = n - Copy only n input blocks
conv = lcase - Convert upper case letters to lower case
conv = ucase - Convert lower case letters to upper case
conv = swab - Swap every pair of bytes
conv = noerror- Ignore errors and just keep going
conv = silent- Suppress statistics (Minix specific flag)
Where sizes are expected, they are in bytes. However, the letters w, b, or k may be appended to the number to indicate words (2 bytes),
blocks (512 bytes), or K (1024 bytes), respectively. When dd is finished, it reports the number of full and partial blocks read and writ-
ten.
SEE ALSO
vol(1).
DD(1)