Hi,
I want to change a particular string in a file with another string. This is part of a larger script file. I m using SED for this purpose:
sed -e 's/hostname.domainname/${HOST}.${DOMAIN}/g' $sed_file>$tmp_file
Where the occurance hostname.domainname has to be replaced with the... (4 Replies)
Okay, title is kind of confusion, but basically, I have a lot of scripts on a server that I need to replace a ps command, however, the new ps command I'm trying to replace the current one with pipes to sed at one point. So now I am attempting to create another script that replaces that line.
... (1 Reply)
my script:
amount1=`tail /tmp/file1.txt`
amount2=`tail /tmp/file2.txt`
sed -e 's/'${amount2}'/'${amount1}'/g' filename1 > filename2
what did i do wrong ? i just want to replace amount1 with amount2 value. (2 Replies)
Hi,
i am following content in file
cat file
Install Installation-path variable
Now i need to replace Installation-path with some text to be provided as argument in csh script invocation
My question is , can i replace this by only using path
eg.
sed "s/path/$1" file
but it... (1 Reply)
I'm trying to change a "." in a file name with a "_"
I have tried;
sed -e 's/./_/g'
However this then replaces the entire filename with a load of "_"
For example;
ls /usr/local/feed/service/customers/test1/configs/test1.httpsend | awk -F/ '{print $9}' | tr "" "" | sed -e "s/./_/g"
... (2 Replies)
Hello,
I have a comman separated file lets day data.txt in following format
,:000002 CH XIN9I.INDX, 34.7534909645,:000002 CH,:Index XIN9I.INDX
,:000063 CH XIN9I.INDX, 6.3062924781,:000063 CH,:Index XIN9I.INDX
,:000776 CH XIN9I.INDX, 2.7001954832,:000776 CH,:Index XIN9I.INDX
I would like... (9 Replies)
Hi,
I have values in a file at Place $1 as AmericanDollar, AustralianDollar, Singapore1Dollar and so on on various rows. I want to replace Dollar with Pound for all those records where no numeric character is present in the string. Means in above mentioned values 'Singapore1Dollar' should not be... (11 Replies)
Hi,
i have a file as give below
>cat sample_file
param1 val1 2012-06-19
##there can be one or more space after 2012-06-19 in the above file
i want to replace val1 with a with value passed through a variable...
below is the command i tried
>parval='param1 val2'
>par1=param1
>sed... (3 Replies)
I have a file whose output words are always like this:
aaaa
bbbb
cccc
dddd. Trying to arrange the data so that there are 2 columns such that the 1st word become the 1st column like this:
aaaa aaaa
aaaa bbbb
aaaa cccc
aaaa dddd Trying to use awk... (8 Replies)
Discussion started by: jimmyf
8 Replies
LEARN ABOUT REDHAT
wrjpgcom
WRJPGCOM(1) General Commands Manual WRJPGCOM(1)NAME
wrjpgcom - insert text comments into a JPEG file
SYNOPSIS
wrjpgcom [ -replace ] [ -comment text ] [ -cfile name ] [ filename ]
DESCRIPTION
wrjpgcom reads the named JPEG/JFIF file, or the standard input if no file is named, and generates a new JPEG/JFIF file on standard output.
A comment block is added to the file.
The JPEG standard allows "comment" (COM) blocks to occur within a JPEG file. Although the standard doesn't actually define what COM blocks
are for, they are widely used to hold user-supplied text strings. This lets you add annotations, titles, index terms, etc to your JPEG
files, and later retrieve them as text. COM blocks do not interfere with the image stored in the JPEG file. The maximum size of a COM
block is 64K, but you can have as many of them as you like in one JPEG file.
wrjpgcom adds a COM block, containing text you provide, to a JPEG file. Ordinarily, the COM block is added after any existing COM blocks;
but you can delete the old COM blocks if you wish.
OPTIONS
Switch names may be abbreviated, and are not case sensitive.
-replace
Delete any existing COM blocks from the file.
-comment text
Supply text for new COM block on command line.
-cfile name
Read text for new COM block from named file.
If you have only one line of comment text to add, you can provide it on the command line with -comment. The comment text must be sur-
rounded with quotes so that it is treated as a single argument. Longer comments can be read from a text file.
If you give neither -comment nor -cfile, then wrjpgcom will read the comment text from standard input. (In this case an input image file
name MUST be supplied, so that the source JPEG file comes from somewhere else.) You can enter multiple lines, up to 64KB worth. Type an
end-of-file indicator (usually control-D) to terminate the comment text entry.
wrjpgcom will not add a COM block if the provided comment string is empty. Therefore -replace -comment "" can be used to delete all COM
blocks from a file.
EXAMPLES
Add a short comment to in.jpg, producing out.jpg:
wrjpgcom -c "View of my back yard" in.jpg > out.jpg
Attach a long comment previously stored in comment.txt:
wrjpgcom in.jpg < comment.txt > out.jpg
or equivalently
wrjpgcom -cfile comment.txt < in.jpg > out.jpg
SEE ALSO cjpeg(1), djpeg(1), jpegtran(1), rdjpgcom(1)AUTHOR
Independent JPEG Group
15 June 1995 WRJPGCOM(1)