Hi All,
I need to execute some commands on each line of a file.
How do i iterate thru each line of a file?
In detail:
First i will have to go to the first line of the file and execute a series of commands on it and then take the second line of the file, execute a series of steps and so... (2 Replies)
I can not for the life of me figure out how to iterate over this array
{
'name1' => {
'a' => .
'b' =>
},
'name2' => {
'a' => .
'b' =>
}
}
I want a for loop to iterate through the first element (name1 and name2 in my example) but I can't figure it out. Help... (2 Replies)
Hi,
I have a directory call Test, which contains files "a", b", "c", etc. I want to go through all of the files inside Test and remove any empty file. How would I do that with shell csh?
So far I got...
#!/bin/csh
if (($#argv == 0) || ($#argv > 1)) then
echo "no argument or too... (2 Replies)
Hi Experts,
I want to know the count of specific word in a file. I have almost 600+ files.
So I want to loop thru each file and get the count of the specific word.
Please help me on achieving this...
Many thanks (2 Replies)
Hi
i need to find x in the following equation such that it satisfies this condition:
y/x-ln(x)-1.24=0
how can i write a script to iterate to give random x to satisfy this equation.
y is different each time too. any help with awk/shell script will be awesome!
thanks (1 Reply)
I'm trying to send the file list as parameter to another job and execute it.
But the loop doesn't work, the inner job is running only once and not twice as expected
for filelist in $(ls -rt *.txt | tail -2)
do
echo $filelist
export filelist
cmd="$Program -config $configfile -autoexec... (11 Replies)
I can not figure out how to iterate a perl command that inputs a value into columns and then combines them. I need to put a numerical value in column one and the word "Null" in all others, and then join at the end. I think the below is close, but I am not sure about the lines in bold. I... (7 Replies)
Have two 3 files which has list of servers,users and location and base url which is common on every server
A = server1 server2 server3
B = user1 user2 user3
C = dom1 dom2 dom3
baseurl=/opt/SP/
and what i have to achieve is below via ssh from REMOTE SERVER
for it's first iteration it... (7 Replies)
I would like to iterate over `dirs`in a script, but the script will never show more than one (current) folder
#! /bin/bash
for i in `dirs`
do
echo ${i}
done
echo ++++++++++++++++++
for i in $( dirs -p )
do
echo ${i}
done
echo ------------------
dirscontent=`dirs`
echo... (5 Replies)
Discussion started by: alexanderb
5 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)