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From: J G Miller on 25 Apr 2010 09:23
Op Zondag, 25 April 2010 15:05:38 +0200, Houghi schreef:

> I want to write output to a file via a script. The endresult must be: ls
> | myscript

You need to use

ls -1 | read_listing

where read_listing is the script

#! /bin/sh

while read file_name
do
echo "file name is ${file_name}"
done

exit 0
From: J G Miller on 25 Apr 2010 11:18
Op Zondag, 25 April 2010 15:52:00 +0200, Houghi schreef:

> What if I do not use `ls` but e.g. `man hier` or `dig soa houghi.eu` as
> command? What I want is the screen output to a file though a script.

> The above does unfortunatly neither.


Actually it does work just fine --

dig soa houghi.eu | read_ls
file name is
file name is ; <<>> DiG 9.6.1-P2 <<>> soa houghi.eu
file name is ;; global options: +cmd
file name is ;; Got answer:
file name is ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33796
file name is ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 13, ADDITIONAL: 10
file name is
file name is ;; QUESTION SECTION:
file name is ;houghi.eu. IN SOA
file name is
file name is ;; ANSWER SECTION:
file name is houghi.eu. 7189 IN SOA ns14.zoneedit.com. soacontact.zoneedit.com. 1144871189 14400 7200 950400 7200
file name is
file name is ;; AUTHORITY SECTION:
file name is . 257563 IN NS j.root-servers.net.
file name is . 257563 IN NS i.root-servers.net.
file name is . 257563 IN NS b.root-servers.net.
file name is . 257563 IN NS k.root-servers.net.
file name is . 257563 IN NS h.root-servers.net.
file name is . 257563 IN NS c.root-servers.net.
file name is . 257563 IN NS e.root-servers.net.
file name is . 257563 IN NS m.root-servers.net.
file name is . 257563 IN NS f.root-servers.net.
file name is . 257563 IN NS a.root-servers.net.
file name is . 257563 IN NS d.root-servers.net.
file name is . 257563 IN NS l.root-servers.net.
file name is . 257563 IN NS g.root-servers.net.
file name is
file name is ;; ADDITIONAL SECTION:
file name is a.root-servers.net. 561608 IN A 198.41.0.4
file name is a.root-servers.net. 558275 IN AAAA 2001:503:ba3e::2:30
file name is b.root-servers.net. 561608 IN A 192.228.79.201
file name is c.root-servers.net. 561608 IN A 192.33.4.12
file name is d.root-servers.net. 561608 IN A 128.8.10.90
file name is e.root-servers.net. 561608 IN A 192.203.230.10
file name is f.root-servers.net. 561608 IN A 192.5.5.241
file name is f.root-servers.net. 561610 IN AAAA 2001:500:2f::f
file name is g.root-servers.net. 561608 IN A 192.112.36.4
file name is h.root-servers.net. 561608 IN A 128.63.2.53
file name is
file name is ;; Query time: 2 msec
file name is ;; SERVER: 192.168.11.17#53(192.168.11.17)
file name is ;; WHEN: Sun Apr 25 17:09:29 2010
file name is ;; MSG SIZE rcvd: 486
file name is

Just remove "file name is" from the echo, and rename the variable file_name
to something more appropriate like input_line.

Please see

<http://tldp.org/LDP/abs/html/internal.html#READPIPEREF>

for more examples on piping into shell scripts.
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