how do you redirect stdout into a variable. whenever I try I get an ambiguous redirect error :( I am trying to validate some user input and failing miserably.
cal $MONTH $YEAR | grep -c "$DAY"
if the above is 1 then it is valid if 0 then not valid. I have been trying to redirect the output... (2 Replies)
I have a question to do and it's somewhat confusing. It says, and I quote
"Create a file called file_1 with three lines of text in it. Create a shell variable called "f_name", assign it the string "file_1". Use the cat command and the variable "f_name" to display the contents of the file... (3 Replies)
I wanted to store a value read from a file in a variable with a given format. I was doing the first step as follows :
it0="$(cat ./myfile)"
I thought the second step would work as: it0= ` printf "%6.3f\n" $it0 `
but it says "./curplot.sh: line 33: 0.035: command not found", although it... (2 Replies)
Hello attempting to redirect out to create a startup script in solaris. The steps are working but the $1 entry is being left out. syntax below and content of output file below.
cat > S99build << EOF
> #!/bin/bash
> case $1 in
> 'start')
> /usr/os-buildsol.sh
>
> ;;
> esac
> exit 0
>... (3 Replies)
MyFile contains:
ALTER TABLE $DBN.$TBN
ADD $COL $TYP COMPRESS ($VAL);
I need to cat the file and have it substitute all of the variables with their contents. cat MyFile does not work. The following works for the first line, but errors on the second line because of the paren:
$ while read... (2 Replies)
I have a file created as ABC!DEF@2014.txt
My if condition is based on 2014 so I need to move it to variable.
So while I can do this on console screen -
ls ABC* -l > test.txt
cat test.txt | cut -f 2 -d "@" | cut -f 1 -d "."
to get the value - 2014
I am a bit at loss how to achieve this... (4 Replies)
Hi,
when I do cat for kernel parameters
cat /proc/sys/kernel/sem >> /etc/sysctl.conf
4096 4096 32 128
The above command working with out any doubt
but I want to pass it like below, need to append "kernel.sem =" and pass it to /etc/sysctl.conf kernel.sem = 4096... (2 Replies)
I have a directory that is restricted and I cannot just copy the files need, but I can cat them and redirect them to a new directory. The files all have the date listed in them. If I perform a long listing and grep for the date (150620) I can redirect that output to a text file. Now I need to... (5 Replies)
Hi,
I wish to know how to works the carriage return with cat.. As a picture often speaks better than words, my code below :
#te=`cat text.txt` (I tried this, but the same..)
te=$(cat text.txt)
echo $te
My file text.txt below:
BLABLABLABLABLALBLA
BLABLABLABLABLALBLA
... (9 Replies)
Thank you in advance for looking at this, I've scoured the internet and can't find the answer I'm looking for!! - I am new at bash script so please bare with me!!
I have a script where I've identified individual files within a folder, the filename is then stored as a variable ($filename):... (3 Replies)
Discussion started by: paperbackwriter
3 Replies
LEARN ABOUT LINUX
rmf
RMF(1) [nmh-1.5] RMF(1)NAME
rmf - remove an nmh folder
SYNOPSIS
rmf [+folder] [-interactive | -nointeractive] [-version] [-help]
DESCRIPTION
Rmf removes all of the messages (files) within the specified (or default) folder, and then removes the folder (directory) itself.
If there are any files within the folder which are not a part of nmh, they will not be removed, and an error will be produced. If the
folder is given explicitly or the -nointeractive option is given, then the folder will be removed without confirmation. Otherwise, the
user will be asked for confirmation. If rmf can't find the current folder, for some reason, the folder to be removed defaults to `+inbox'
(unless overridden by user's profile entry "Inbox") with confirmation.
If the folder being removed is a subfolder, the parent folder will become the new current folder, and rmf will produce a message telling
the user this has happened. This provides an easy mechanism for selecting a set of messages, operating on the list, then removing the list
and returning to the current folder from which the list was extracted.
If rmf s used on a read-only folder, it will delete all the (private) sequences (i.e., "atr-seq-folder" entries) for this folder from your
context without affecting the folder itself.
Rmf irreversibly deletes messages that don't have other links, so use it with caution.
FILES
$HOME/.mh_profile The user profile
PROFILE COMPONENTS
Path: To determine the user's nmh directory
Current-Folder: To find the default current folder
Inbox: To find the default inbox
SEE ALSO rmm(1)DEFAULTS
`+folder' defaults to the current folder, usually with confirmation
`-interactive' if +folder' not given, `-nointeractive' otherwise
CONTEXT
Rmf will set the current folder to the parent folder if a subfolder is removed; or if the current folder is removed, it will make "inbox"
current. Otherwise, it doesn't change the current folder or message.
BUGS
Although intuitively one would suspect that rmf works recursively, it does not. Hence if you have a sub-folder within a folder, in order
to rmf the parent, you must first rmf each of the children.
MH.6.8 11 June 2012 RMF(1)