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UNIX for Beginners Questions & Answers
Problem with using sed command
Post 303038192 by RudiC on Tuesday 27th of August 2019 02:49:47 PM
08-27-2019
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Hi!
here is my problem :
$ more file
yopyop:FIToB8df02f:10200:351:yoyo:/home/yopyop:/usr/bin/ksh
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yopyop:passe:10200:351:yoyo:/home/yopyop:/usr/bin/ksh
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hi
I am using "sed" command to find and replace a text in a file.
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for example i have the file that contain several line..and i want to swap the first word and the second word than i store it into new file..
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Hi,
i have a script to replace a string.
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/DIR1/DIR2/DIR3/abcdefgh
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/DIR1/DIR2/DIR3/abcdefghijk
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i use 'sed' with this syntax
" sed "/$lineerr/d" $fileerr > $fileerr"_Bak" && mv $fileerr"_Bak" $fileerr"
it's work to remove the line that have the word in $lineerr
but it also remove my last line in file too. - -"
my input File
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xx|1111111111
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Hi
i am reading a tutorial on sed
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$ sed -n '1~2p' alarm
sed: 1: "1~2p": invalid command code ~
$
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LEARN ABOUT REDHAT
userdel
USERDEL(8) System Manager's Manual USERDEL(8) NAME
userdel - Delete a user account and related files SYNOPSIS
userdel [-r] login DESCRIPTION
The userdel command modifies the system account files, deleting all entries that refer to login. The named user must exist. The options which apply to the userdel command are: -r Files in the user's home directory will be removed along with the home directory itself and the user's mail spool. Files located in other file systems will have to be searched for and deleted manually. FILES
/etc/passwd - user account information /etc/shadow - secure user account information /etc/group - group information CAVEATS
userdel will not allow you to remove an account if the user is currently logged in. You must kill any running processes which belong to an account that you are deleting. You may not remove any NIS attributes on an NIS client. This must be performed on the NIS server. SEE ALSO
chfn(1), chsh(1), passwd(1), groupadd(8), groupdel(8), groupmod(8), useradd(8), usermod(8) AUTHOR
Julianne Frances Haugh (jockgrrl@ix.netcom.com) USERDEL(8)