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1. UNIX for Dummies Questions & Answers
I need to remove the carriage return comes inbetween the record.
Need to have CR only at the end.
I used the below command.
tr -d '\n' < filewithcarriagereturns > filewithoutcarriagereturns
But its removing all the CR and giving one line output.
Input File:
12345
abcdegh... (11 Replies)
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Hello all,
I've a flat file in the following format:
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Hello,
How do i usecarriage return in ksh.
I want to do an echo "bla bla" and another echo "bla bla" will appear and replace the first echo on screen.
I tried:
until ; do
echo "bla bla \r"
done
please advice.
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Hey folks,
I've been working on this for some time. Seems simple, but I'm stumped.
I need the following data format:
New_York:Commercial
Geology
Geophysics
Petrophysics
Production_Engineering
Reservoir_Engineering
Pasadena:Commercial
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Hi all,
need your help in replacing carriage return in a record.
Input:
col1|col2|col3|col4|col5|col6|col7|col8|col9|col10
1|aa|bb|cc|dd|eee
eee|ff|ggggg|hh
hhh|iii
2|zz|yy|xx|ww|vv|uu|tt|ss|rr
Output:
col1|col2|col3|col4|col5|col6|col7|col8|col9|col10... (12 Replies)
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I am reading two files and writing out the file name and count of lines in each file to an output file.
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Hello .
Now i have a different problem, lost "carriage return" when assigning a variable. The assignation is done in a peculair way but its ok.
The variable "v_tmp" have spaces and carriage return. Its created with v_tmp=`echo $i | awk '.........'`
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hi can anyone please tell me the difference between carriage return, linefeed and newline ? (2 Replies)
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I have observed with print & echo, they produce carriage return <CR> or newline, after they display string next to them.
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I try to test the carriage return in a variable.
$ LENGTH=`expr $VARIABLE : ".*"` will return the length of the variable. But this doesn't work if $VARIABLE has zero length.
Any help will be well appreciated.
Thanks in advance.
Giovanni (4 Replies)
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PERIODIC.CONF(5) BSD File Formats Manual PERIODIC.CONF(5)
NAME
periodic.conf -- periodic job configuration information
DESCRIPTION
The file periodic.conf contains a description of how daily, weekly and monthly system maintenance jobs should run. It resides in the
/etc/defaults directory and parts may be overridden by a file of the same name in /etc, which itself may be overridden by the
/etc/periodic.conf.local file.
The periodic.conf file is actually sourced as a shell script from each of the periodic scripts and is intended to simply provide default con-
figuration variables.
The following variables are used by periodic(8) itself:
local_periodic
(str) List of directories to search for periodic scripts. This list is always prefixed with /etc/periodic, and is only used when an
argument to periodic(8) is not an absolute directory name.
<dir>_output
(path or list) What to do with the output of the scripts executed from the directory dir. If this variable is set to an absolute
path name, output is logged to that file, otherwise it is taken as one or more space separated email addresses and mailed to those
users. If this variable is not set or is empty, output is sent to standard output.
For an unattended machine, suitable values for daily_output, weekly_output, and monthly_output might be ``/var/log/daily.log'',
``/var/log/weekly.log'', and ``/var/log/monthly.log'' respectively, as newsyslog(8) will rotate these files (if they exists) at the
appropriate times.
<dir>_show_success
<dir>_show_info
<dir>_show_badconfig
(bool) These variables control whether periodic(8) will mask the output of the executed scripts based on their return code (where dir
is the base directory name in which each script resides). If the return code of a script is '0' and <dir>_show_success is set to
``NO'', periodic(8) will mask the script's output. If the return code of a script is '1' and <dir>_show_info is set to ``NO'',
periodic(8) will mask the script's output. If the return code of a script is '2' and <dir>_show_badconfig is set to ``NO'',
periodic(8) will mask the script's output. If these variables are set to neither ``YES'' nor ``NO'', they default to ``YES'',
``YES'' and ``NO'' respectively.
Refer to the periodic(8) manual page for how script return codes are interpreted.
The following variables are used by the standard scripts that reside in /etc/periodic/daily:
daily_clean_tmps_enable
(bool) Set to ``YES'' if you want to clear temporary directories daily.
daily_clean_tmps_dirs
(str) Set to the list of directories to clear if daily_clean_tmps_enable is set to ``YES''.
daily_clean_tmps_days
(num) When daily_clean_tmps_enable is set, this must also be set to the number of days old that a file's access and modification
times must be before it is deleted.
daily_clean_tmps_ignore
(str) Set to the list of files that should not be deleted when daily_clean_tmps_enable is set to ``YES''. Wild card characters are
permitted.
daily_clean_tmps_verbose
(bool) Set to ``YES'' if you want the removed files to be reported in your daily output.
daily_clean_msgs_enable
(bool) Set to ``YES'' if you wish old system messages to be purged.
daily_clean_msgs_days
(num) Set to the number of days that files must not have been modified before they are deleted. If this variable is left blank, the
msgs(1) default is used.
daily_clean_rwho_enable
(bool) Set to ``YES'' if you wish old files in /var/who to be purged.
daily_clean_rwho_days
(num) Set to the number of days that files must not have been modified before they are deleted.
daily_clean_rwho_verbose
(bool) Set to ``YES'' if you want the removed files to be reported in your daily output.
daily_accounting_enable
(bool) Set to ``YES'' if you want to rotate your daily accounting files. No rotations are necessary unless accounting_enable is
enabled in rc.conf(5).
daily_accounting_compress
(bool) Set to ``YES'' if you want your daily accounting files to be compressed using gzip(1).
daily_accounting_save
(num) When daily_accounting_enable is set, this may also be set to the number of daily accounting files that are to be saved. The
default is ``3''.
daily_accounting_flags
(str) Set to the arguments to pass to the sa(8) utility (in addition to -s) when daily_accounting_enable is set to ``YES''. The
default is -q.
daily_status_disks_enable
(bool) Set to ``YES'' if you want to run df(1) (with the arguments supplied in daily_status_disks_df_flags).
daily_status_disks_df_flags
(str) Set to the arguments for the df(1) utility when daily_status_disks_enable is set to ``YES''.
daily_status_network_enable
(bool) Set to ``YES'' if you want to run netstat -i.
daily_status_network_usedns
(bool) Set to ``YES'' if you want to run netstat(1) without the -n option (to do DNS lookups).
daily_status_rwho_enable
(bool) Set to ``YES'' if you want to run uptime(1) (or ruptime(1) if rwhod_enable is set to ``YES'' in /etc/rc.conf).
daily_status_mailq_enable
(bool) Set to ``YES'' if you want to run mailq(1).
daily_status_mailq_shorten
(bool) Set to ``YES'' if you want to shorten the mailq(1) output when daily_status_mailq_enable is set to ``YES''.
daily_status_include_submit_mailq
(bool) Set to ``YES'' if you also want to run mailq(1) on the submit mail queue when daily_status_mailq_enable is set to ``YES''.
This may not work with MTAs other than sendmail(8).
daily_local
(str) Set to a list of extra scripts that should be run after all other daily scripts. All scripts must be absolute path names.
The following variables are used by the standard scripts that reside in /etc/periodic/weekly:
weekly_whatis_enable
(bool) Set to ``YES'' if you want to run /usr/libexec/makewhatis.local. This script regenerates the database used by the apropos(1)
command.
weekly_local
(str) Set to a list of extra scripts that should be run after all other weekly scripts. All scripts must be absolute path names.
The following variables are used by the standard scripts that reside in /etc/periodic/monthly:
monthly_accounting_enable
(bool) Set to ``YES'' if you want to do login accounting using the ac(8) command.
monthly_local
(str) Set to a list of extra scripts that should be run after all other monthly scripts. All scripts must be absolute path names.
FILES
/etc/defaults/periodic.conf The default configuration file. This file contains all default variables and values.
/etc/periodic.conf The usual system specific variable override file.
/etc/periodic.conf.local An additional override file, useful when /etc/periodic.conf is shared or distributed.
SEE ALSO
apropos(1), calendar(1), df(1), diff(1), gzip(1), man(1), msgs(1), netstat(1), nice(1), ac(8), newsyslog(8), periodic(8), sendmail(8)
HISTORY
The periodic.conf file appeared in FreeBSD 4.1.
AUTHORS
Brian Somers <brian@Awfulhak.org>
BSD
May 12, 2007 BSD