01-24-2010
Use sed to move last line to top
I have parsed a curl download with sed commands. I would also like to move the last line in the output file to the top. Can I use sed for this?
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Does anyone know how to insert text at the top and bottom of a file using sed? (12 Replies)
Discussion started by: MBGPS
12 Replies
2. Shell Programming and Scripting
Hello,
I'm trying to move the last word of matching pattern to the begining of next line. Appreciate if anyone post the script.
From the below line I'm getting the last word, Note: this word also appears in many places in my file
#return the last word of line that contains ListenPort
sed... (4 Replies)
Discussion started by: baskar
4 Replies
3. Shell Programming and Scripting
i have some 1000 files in my dir and i want to find top 100 files and move them to some other location:
below the 2 commands i used, but it is not working
ls -ltr | grep ^- | head -100 | xargs mv destination - _________>not working
ls -ltr | grep ^- | head -100 | xargs mv {}... (3 Replies)
Discussion started by: ali560045
3 Replies
4. Shell Programming and Scripting
say I want to insert "this is a test" as the first line into file A, besides
echo "this is a test" > /tmp/tmpfile
cat /tmp/tmpfile fileA >> /tmp/result,
is there any simple way I can do it? thanks (7 Replies)
Discussion started by: fedora
7 Replies
5. Shell Programming and Scripting
Hi there
if I use `head -1` it gives me the top line .... is there a utility out there that will give me everything other than the top line ?
I know how to achieve this by taking the file out to another file etc, but id like to be able to do it without creating additional files
is this... (5 Replies)
Discussion started by: hcclnoodles
5 Replies
6. Shell Programming and Scripting
hi,
My code is
#!/bin/sh
echo "\n\nPlease enter the month of the year(YYYYMM) : \c"
read date_rep
INPUT_L9_FILE=L9_Recharge_Description_EOM_$date_rep.csv
#This part is used to summarise Grand_Total, Balance_Total of file L9_Recharge_Description_EOM_${1}.csv.
awk -F"," '{if(NR!=1)... (5 Replies)
Discussion started by: madfox
5 Replies
7. Shell Programming and Scripting
I have the following text format in a file which lists the question first and then 5 choices
after that the explanantion and finally the answer.
1.The amount of time it takes for most of a worker’s occupational knowledge and skills to become
obsolete has been declining because of the... (2 Replies)
Discussion started by: nanchil_guy
2 Replies
8. Shell Programming and Scripting
So say I have the file:
john
london
24
male
========
jane
london
22
female
========
mike
23
========
Bob
how do i get the information i need on one line as such: (5 Replies)
Discussion started by: linuxkid
5 Replies
9. Shell Programming and Scripting
Hello,
I'm new to this forum. I've been doing a lot of sed work lately and have found many useful tips on this forum. I've hit a roadblock in a project, though, and could really use some help.
I have a text file with many lines like the following, i.e., some lines begin with a single word... (3 Replies)
Discussion started by: paroikoi
3 Replies
10. Shell Programming and Scripting
Hi,
I have a following file and it has only one occurrence of line that says "Output view:". It could be in middle somewhere ( i don't know the exact location ). I want to move it as the first line of the file.
Input
AAA
BBBB
CCCC
Output view:
XXXX
YYYY
ZZZZ
Output should be:
Output... (13 Replies)
Discussion started by: jakSun8
13 Replies
LEARN ABOUT DEBIAN
shtool-subst
SHTOOL-SUBST.TMP(1) GNU Portable Shell Tool SHTOOL-SUBST.TMP(1)
NAME
shtool-subst - GNU shtool sed(1) substitution operations
SYNOPSIS
shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
[-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]
DESCRIPTION
This command applies one or more sed(1) substitution operations to stdin or any number of files.
OPTIONS
The following command line options are available.
-v, --verbose
Display some processing information.
-t, --trace
Enable the output of the essential shell commands which are executed.
-n, --nop
No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.
-w, --warning
Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
operations resulted in no content change on all files.
-q, --quiet
Suppress warning on substitution operation resulting in no content change.
-s, --stealth
Stealth operation. Preserve timestamp on file.
-i, --interactive
Enter interactive mode where the user has to approve each operation.
-b, --backup ext
Preserve backup of original file using file name extension ext. Default is to overwrite the original file.
-e, --exec cmd
Specify sed(1) command directly.
-f, --file cmd-file
Read sed(1) command from file.
EXAMPLE
# shell script
shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]
# RPM spec-file
%install
shtool subst -v -n
-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g'
-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g'
`find . -name Makefile -print`
make install
HISTORY
The GNU shtool subst command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 2001 for GNU shtool. It was prompted
by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.
SEE ALSO
shtool(1), sed(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-SUBST.TMP(1)