Hi can you explain the usages of each command that you used.
What tr -d does?
'[:alpha:]'
??
Delete the characters found in the list from the input stream.
A special character class. In this case instead of listing all the letters from a to z and A to Z use this shorthand. A list of these can be found here
Hi everybody!
Im not good in scripting and I need a script to take all the files with spaces in their names and change it to underscores.
alice cooper.mp3 >> alice_cooper.mp3
Thanks in advance. (2 Replies)
There is shell script which contains some variables .
These variables are used , but they have not declared in the script.
I think its a environment variable, so I want to know where these variables are set and given values
In .profile or .login..or where to c
Please give the full path and... (1 Reply)
Is there an easy way of doing this
cat file1
jkasjhjgfg LTRIM(RTRIM(aa_bb_cde))
aragsfdg LTRIM(RTRIM(aa_bb_cde)) aregfafdgfg
sdgsfdagdfg gadfg
eafgsadgsa
asdgsfdgag LTRIM(RTRIM(aa_bb_cde)) rfghsdfhd
I want to replace each occurence of LTRIM(RTRIM($x)) with
LENGTH(LTRIM(RTRIM($x)))=0... (4 Replies)
Greetings,
I have a bunch of music files that I want to strip the underscores out, and leave only spaces. All that I've found on the web is how to add underscores to files that have spaces, and reversing the "tr" command does not make a difference.
Here is how to convert spaces to... (6 Replies)
Hi,
Here is my question,
I need to extract string between two underscores from the filename
for example, filename is
atmos_8xdaily_instant_300x300_1_12.nc
what I want to extract is 300x300.
There are many such files in my directory, so I guess the code should be like:
for file... (7 Replies)
korn shell,
testing if a pattern exist in a string,
x is constant, y could be none,all or any combination of the elements of x,
x="aa bb cc dd ee ff gg hh ii jj kk ll"
y="ff kk"
for z in `echo ${x}`
do
if <any pattern in $y matches any pattern in $x> ]
then
do something
fi... (3 Replies)
Hi
I want to filter my files which has more than 1 underscores in it.how can i achieve this.
Ex: if my file name is a_b_c, a_b.
my command should result only a_b_c
Thanks
Pracheth (10 Replies)
Hello,
I have a file, inputs.list that contain prefixes to files that are inputs for a program
inputs.list
A
B
C
D
E
...
My files are of the format A_1, A_2, B_1, B_2 and so on. I am planning to run a shell script that takes each line from the above file and feed it to the runProg.sh... (3 Replies)
All, I've searched and haven't found a solution for my particular issue.
I have a file with lines of data that contain varying amounts of underscores imbedded. But all the strings have a final underscore and an interface name:
dmk_hcn_dalian2.XXXX.XXX.XX.COM_Se0/0/0... (4 Replies)
I have a comma delimited file of major codes and descriptions. I want to replace all occurrences of spaces with underscores up to the first comma (only in the first field), but not replace spaces following the comma. For instance I have the following snippet of the file:
EK ED,Elementary and... (7 Replies)
Discussion started by: tdouty
7 Replies
LEARN ABOUT HPUX
read
read(1) General Commands Manual read(1)NAME
read - read a line from standard input
SYNOPSIS
var ...
DESCRIPTION
reads a single line from standard input. The line is split into fields as when processed by the shell (refer to shells in the first field
is assigned to the first variable var, the second field to the second variable var, and so forth. If there are more fields than there are
specified var operands, the remaining fields and their intervening separators are assigned to the last var. If there are more vars than
fields, the remaining vars are set to empty strings.
The setting of variables specified by the var operands affect the current shell execution environment.
Standard input to can be redirected from a text file.
Since affects the current shell execution environment, it is usually provided as a normal shell special (built-in) command. Thus, if it is
called in a subshell or separate utility execution environment similar to the following, it does not affect the shell variables in the
caller's environment:
Options
recognizes the following options:
Do not treat a backslash character in any special way.
Consider each backslash to be part of the input line.
Opperands
recognizes the following operands:
var The name of an existing or nonexisting shell variable.
EXTERNAL INFLUENCES
Environment Variables
determines the internal field separators used to delimit fields.
RETURN VALUE
exits with one of the following values:
0 Successful completion.
>0 End-of-file was detected or an error occurred.
EXAMPLES
Print a file with the first field of each line moved to the end of the line.
while read -r xx yy
do
printf "%s %s
" "$yy" "$xx"
done < input_file
SEE ALSO csh(1), ksh(1), sh(1), sh-posix(1).
STANDARDS CONFORMANCE read(1)