9 More Discussions You Might Find Interesting
1. Programming
for example, I have a text file in random content inside, maybe something like this.
234234
54654
123134
467456
24234234
7867867
23424
568567if I run this command
cat "filename.txt" | sort -n | grep "^467456$" -A 1 -B 1the result is
234234
467456
568567is it possible to do this command... (2 Replies)
Discussion started by: 14th
2 Replies
2. Shell Programming and Scripting
I'm new using Unix commands in applescript. The following script you choose different folders with PDfs, get file count of PDfs on chosen folders, & write the results in text file.
set target_folder to choose folder with prompt "Choose target folders containing only PDFs to count files" with... (0 Replies)
Discussion started by: nellbern
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3. Shell Programming and Scripting
I am downloading numerous files (600 plus) using a 'wget' script. Some files are not downloading and have zero byte size. I am using the following 'find' command to find the files in my cd which have non-zero byte size after the wget script has been run.
find -type f -size +0 -exec basename {}... (3 Replies)
Discussion started by: dl226
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4. Shell Programming and Scripting
I have a file and need to only select users that have a shell of “/bin/bash” in the line using awk or sed please help (4 Replies)
Discussion started by: boyboy1212
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5. Shell Programming and Scripting
Hi,
I am using a linux with bash.
I have a script written which will login to a remote server and from there it runs a "wget" to downlaod a build file from a webserver.
Here is the line inside the script:
ssh -t -q -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@${a}'wget... (4 Replies)
Discussion started by: sunrexstar
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6. Shell Programming and Scripting
I have a txt file with data
abc:def:ghi:jkl:mno pq stu vwx
I want to take out abc what should i do?
I try awk
awk '/abc/ {print $1}' listfile.txt> extendedfile.txt (5 Replies)
Discussion started by: Learnerabc
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7. UNIX for Dummies Questions & Answers
Hi,
I would like to know if this is possible, and if so what can i do to make this work.
I would like to grep a line X from fileA and then use the output to replace a word Y in fileB.
grep "line X" fileA | sed -e 's/Y/X/g' > outfile
this statement does not work, as i do not know how to... (7 Replies)
Discussion started by: cavanac2
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8. Shell Programming and Scripting
Haven't worked in bash for ages. did a good bit of shell scripting in regular sh, but have forgotten most of it.
I have several thousand php files that now include the following line at the end of the file. There is no LF or CR/LF before it begins, it is just concatenated to the final line of... (3 Replies)
Discussion started by: sjburden
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9. UNIX for Dummies Questions & Answers
ok.
i am doing a project where i have hand typed in the titles of nearly 500 DVD titles, each one is on a seperate line.
but they arent in any type of alphebetical order, and i need them sorted in that format (A-Z or a-z) .....
i know that the 'sort' command can be used but also know the... (6 Replies)
Discussion started by: Chadbot
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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)