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Questions tagged [manipulation]

10 questions
7
votes
4 answers

PDF Manipulation: "2-Up" page layout

I have a PDF (generated by PowerPoint) containing 8.5×5.5 inch portrait pages. I need to convert it to 8.5×11 inch landscape pages where each landscape page contains two copies of the original (smaller) portrait page side-by-side. In ASCII art: …
SLaks
  • 8,024
4
votes
3 answers

Proving file creation dates

Is it possible to fake or manipulate creation dates ? And if so, how can I "prove" that the files really are that old ? Luckily, I stored my project on GitHub, whick confirmed the fact that the files are from that era, but that is besides the…
Nils Munch
  • 143
3
votes
2 answers

How can I keep every fifth row in Excel

I have a data set in excel with 3084 rows. I need to delete 4 rows, then keep one: deleting Tuesday, Wednesday, Thursday, Friday but keeping Monday to create a weekly rather than daily data set. Note: The data is coinciding with a date not a day of…
Aaron
  • 31
1
vote
1 answer

Open source audio manipulation software

Does anyone know a free, command line, open source audio manipulation software for Linux? The primary usage is to distort/scramble a recorded voice. I've tried SoX but it seems to lack features for my task.
Johnas
  • 787
1
vote
3 answers

Manipulate data in Excel to order results per a certain column

I want to make the information in some columns (but not all) displaying in rows, please see below an example. This is what I have (unfortunately this doesn't allow extra spaces so everything is unaligned, please try to imagine all aligned): …
Ricardo C.B.
  • 11
  • 1
0
votes
0 answers

Separate one data file into two files

I would like to separate one file into two or three files. (Normally, I open .txt file, check the second column and first, if it has different numbers and copy that data to Input…
Maris
  • 63
0
votes
2 answers

command line software for audio/video and image manipulation

Im running a website on Linux/Apache and I need to install software that does the following: Converts audio files into MP3 and find the length of the file. Converts video files into FLV. Create several different sized images from one…
Jimmery
  • 630
0
votes
3 answers

Round off one edge of an image

I want to round off the top left hand corner of an image as someone has simply removed pixels and it looks a mess on the site. Can anyone possibly tell me how to achieve this in Photoshop?
Bill Johnson
  • 125
0
votes
2 answers

How to manipulate dates?

How can I change a date in an Excel file to eliminate the day and be left with only the month and year?  E.g., convert 4/4/2019 to April-2019? I am aware that I can change the format, but if I do so, the date in the background will still be 4/4/2019…
sonic99
  • 51
0
votes
1 answer

How to delete certain items in a text document

Basically I have a list of items in the format item1:item2:item3 and I need to remove all the item1's to make it look like this. item2:item3 I have most text editors so which ever one suits best let me know, thanks. (p.s. all of the item's are…
Joe
  • 1