Hi,
I have a variable, which contains comma separated values. Something like.
StringA="abc,def,ghi,jkl"
I want to apply prefix and suffix to each value in the string without using any loops.
Say if Prefix is Pre_ and Suffix is _Suf then I need to get
... (1 Reply)
Hi, how do I match a particular element in a list and replace it with blank?
awk 'sub///' $FILE
list="AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA,
HI, ID, IL, IN, IA, KS, KY, LA, ME, MD,
MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ,
NM, NY, NC, ND, OH, OK, OR, PA, RI, SC,
SD, TN, TX, UT, VT, VA, WA,... (2 Replies)
I need some help with adding lines to file and substitute a pattern.
Ok I have a file:
#cat names.txt
name: John Doe
stationed: 1
name: Michael Sweets
stationed: 41
.
.
.
And would like to change it to:
name: John Doe
employed
permanently
stationed: 1-office (7 Replies)
Hi,
test.txt contains below values
1
2
3
4
5
Desired output:
'TT.1',
'TT.2',
'TT.3',
'TT.4',
'TT.5'
Last value should not contain the comma after the value. Below is the script which i have tried. I'm using Linux.
#!/bin/bash
for i in $test.txt (4 Replies)
Hello,
I am a newbie to linux and struggling to find a better way to append a column in a text file.
Here is the file i want to modify: It has 8 columns (and thousands of rows). I want to append the first column by adding "chr" infront of the numbers. Some rows have a string in the first... (4 Replies)
Hi, I'm new about shell scripting, and I need to do something like
abcd **1234** efgh
by
abcd '''1234''' efgh
I know that command sed helps about change one string by another, but I dont know how to keep whatever is inside **_** and replace * with '.
Thanks! (5 Replies)
I have a file that has the words I want to find in other files (but lets say I just want to find my words in a single file). Those words are IDs, so if my word is ZZZ4, outputs like aaZZZ4, ZZZ4bb, aaZZZ4bb, ZZ4, ZZZ, ZyZ4, ZZZ4.8 (or anything like that) WON'T BE USEFUL.
I need the whole word... (6 Replies)
Is there a simple way to find the longest common prefix of a space-separated list of strings, optionally by field?
For example, given input:
"aaa_b_cc aaa_b_cc_ddd aaa_b_cc aaa_b_cd"with no field separator, output:
aaa_b_cwith _ field separator, output:
aaa_bI have an awk solution which... (1 Reply)
i would like to format the 9 character with suffix as "0".
i tried below it doesn't work.
>a=12345
> echo $a | awk '{printf "%-09s\n",$1}'
>12345
required output is 123450000
can you guys help me out ? (7 Replies)
Hi,
I want to add prefix and suffix on line# 205 using SED or AWK and want to change on the same file without creating new file.
This command will be used in the bash script
Am using Bash shell
Regards
Nayaj (3 Replies)
Discussion started by: Nayaj
3 Replies
LEARN ABOUT CENTOS
btrfs-debug-tree
BTRFS-DEBUG-TREE(8) System Manager's Manual BTRFS-DEBUG-TREE(8)NAME
btrfs-debug-tree - dump Btrfs filesystem metadata into stdout.
SYNOPSIS
btrfs-debug-tree [options] <device>
DESCRIPTION
btrfs-debug-tree is used to dump the whole tree of the given device. This is maybe useful for analyzing filesystem state or inconsistence
and has a positive educational effect on understanding the internal structure. device is the device file where the filesystem is stored.
Options
-e print detailed extents info.
-d print info of btrfs device and root tree dirs only.
-r print info of roots only.
-b <block_num>
print info of the specified block only.
EXIT CODE
btrfs-debug-tree will return 0 if no error happened. If any problems happened, 1 will be returned.
AUTHOR
Written by Shilong Wang and Wenruo Qu.
COPYRIGHT
Copyright (C) 2013 Fujitsu, Inc. License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO mkfs.btrfs(8)BTRFS-DEBUG-TREE(8)