01-21-2013
extract string from another string
i do not require to replace that with "Replaced". i want to take out that string - "Replace_12123_31233_32134_12342" and do certain operations with it... this might be a different string everytime... but the position of the string wouldnt change..
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Hi, guys. I have one question:
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the contents of the file (group) is below:
...
ftp:x:23:
mail:x:34
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testing:x:2001
sales:x:2002
development:x:2003
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Hi all,
i have such string stored in a variable
var1 = 00000120
i want the o/p
var1 = 120
is it possible to have such o/p in ksh/bash ...
thanx in advance for the help
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continuing from my previous post, whose link is given below as a reference
https://www.unix.com/shell-programming-scripting/171076-shell-scripting.html#post302573569
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Hi,
May i ask if someone share some command for extracting a string between 2 ref string in a txt file
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cat file.txt
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A246_B789.txt
B123cc099.txt
a123_B234-012.txt
a13.txt
What can I do here? Many thanks.
cat file.txt | sed "s/.txt$//" | ........
4567
789
099
012
13 (11 Replies)
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proto(4) Kernel Interfaces Manual proto(4)
NAME
proto - prototype job file for at
SYNOPSIS
DESCRIPTION
When a job is submitted to or the job is constructed as a POSIX shell script (see at(1)). The job file is created in as follows:
o creates a header describing the job as an job or a job. jobs submitted to all queues other than queue are listed as jobs. The header
is:
for an job, or
for a job.
o A set of POSIX shell commands is added to make the environment (see environ(5)) for the job the same as the current environment.
o then copies text from the prototype file to the job file, except for special variables that are replaced by other text:
Replaced by the current working directory.
Replaced by the current file size limit (see
ulimit(2)).
Replaced by the current umask (see
umask(2)).
Replaced by the time at which the job should be run,
expressed as seconds since January 1, 1970, 00:00 Coordinated Universal Time, preceded by a colon.
Replaced by text read by
from the standard input (that is, the commands provided to to be run in the job).
o When a job is submitted to queue queue, uses the file as the prototype file if it exists. Otherwise, it uses the file
EXAMPLES
The following file creates commands to change the current directory, file size limit, and umask in the job to their respective values as
they existed when was originally run. These commands are inserted before the commands in the job:
SEE ALSO
at(1), queuedefs(4).
STANDARDS CONFORMANCE
proto(4)