Tagged Questions
0
votes
2answers
34 views
need help in making script [duplicate]
I want to automate one task in UNIX and make one script.
There is directory in which everyday 2 files comes and that files come anytime in between 10 pm to 1 am.
file name is ...
-1
votes
1answer
18 views
Select a range of files from directory structure /year/month/date.db
I have databases stored in the directory structure
year/month/date.db
an example would be
db/2013/10/15.db
I need to be able to select a range of these with a script ("dbSelect ...
2
votes
4answers
56 views
Delete all files in directories except those whose path are listed in a file
Given the following files:
data/A/a.txt
data/B/b.pdf
...
date/P/whatever.log
...
data/Z/z.jpg
I would like to delete all files in the data/A/, data/B/, ..., data/Z/ directories except those files ...
3
votes
3answers
64 views
Command for taking a screenshot to a new file
I want to configure a global hotkey to take a new screenshot and save it, say, somewhere inside my home folder. I can take a screenshot with ImageMagick with this command:
import screenshot.jpg
...
0
votes
1answer
76 views
Run .sh file instead of opening it
I am using Zorin OS 7. I want to run a .sh file but I can't seem to be able to—it just opens in a text editor.
Also under RMB>open with there is no other option.
1
vote
4answers
160 views
Wait for multiple files to be finished downloading
I have the following script which checks if there is a file in a folder and if the file is stable (this is for large video file I am receiving).
#!/bin/bash
cdate1=$(date +%Y%m%d-%T)
...
5
votes
5answers
307 views
How to concatenate two files on the fly and reference result as new file?
I want to concatenate two files, i.e. staticEntries.dic and dynamicEntries.dic. As the names might show, the content of staticEntries.dic stays the same over time (contains common words), but to the ...
2
votes
1answer
56 views
Empty the contents of a file
I am aware of three methods to delete all entries from a file.
They are
>filename
touch filename
filename < /dev/null
Of these three I abuse >filename the most as that requires the ...
6
votes
4answers
292 views
Add lines to the beginning and end of the huge file
I have the scenario where lines to be added on begining and end of the huge files.
I have tried as shown below.
for the first line:
sed -i '1i\'"$FirstLine" $Filename
for the last line:
sed -i ...
2
votes
4answers
89 views
Shell script to check for the presence of one or more files with a specific extension?
I want to write a script to find a file with specific extension.this much i have done:
#!/bin/bash
file="/home/Savio/Dsktop/check/*.csv"
file1="/home/Savio/check/*.txt"
if [[ -f "$file" && -f ...
0
votes
1answer
33 views
Get the most recent backup files [duplicate]
I'm googling for this, but the terms are so generic I'm getting way too many false positives, so what the hey, I'll ask here. I'm sure there's a simple answer but I don't generally script in *nix.
...
0
votes
2answers
190 views
/dev/null-like automatic trash directory for file moves?
I can (redirect) textual output to /dev/null in order to get rid of it. This is quite handy because this way I can easily enable/disable it in my bash code.
Now I have a script that processes files, ...
3
votes
3answers
135 views
Determine the last 7 days backup size
Consider I have a folder /home/abdul/backup which contains .gz file for the past 1 year...My requirement is to get the size of last 7 days...
1
vote
1answer
99 views
Bash script to hide/show files
I prepared a little bash script to toggle the visibility of my hidden OS X files.
if (defaults write com.apple.finder AppleShowAllFiles FALSE); then
defaults write com.apple.finder ...
1
vote
2answers
70 views
how to count number of differences in large streams quickly?
I want to count the number of differences (different bytes) in two large streams (devices/files). E.g. two hard disks, or one hard disk and /dev/zero.
The program(s) involved must be fast, as fast ...
