Conversion between file formats.

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1
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2answers
129 views

Get scan codes in octal format

Using showkey -s I can get the scancode of a key as a hex-number. How can I get it directly as an octal number?
0
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0answers
32 views

How to convert a video file from mp4 to mp2

I have been searching a lot and I can't find a solution. How do you convert a video from MPEG-4 to MPEG-2? That shouldn't be too hard. But the avconv man pages don't give enough info to do this ...
1
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1answer
215 views

Imagemagick convert incorrectly sizes landscape pdfs

When I run convert example.pdf example.png I get a png image, but the image in the pdf is off-center and too small. How do I convert so that the png image is the right size and takes the whole ...
1
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1answer
1k views

Splitting WavPack files when the .cue file and .wv file have different names?

If a directory contains an album encoded as one large .wv file and a .cue file, splitting the entire album into individual .flac tracks is a simple task: $ cuebreakpoints foo.cue | shnsplit -o flac ...
1
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1answer
973 views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
0
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0answers
20 views

Bitmap Fonts 2 C

I need to convert some X11 bitmap fonts to C for a 128x64 OLED Display. I saw some fonts like /usr/share/fonts/X11/misc/9x15-ISO8859-1.pcf.gz The result should look like /* Standard ASCII 6x8 font ...
0
votes
1answer
41 views

Combining two bash scripts by adding flags

I have two scripts which transform the code from software v.1 to software v.2 and viceversa. These are essentially a lot of sed substitutions. In the way I wrote them they accept two arguments: ...
1
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1answer
47 views

multiple conversion bam to bed using bedtools

I have ten .bam files (bioinformatic format) and I would like to convert it to 10 .bed files, but for this conversion I need to use special command bedtools bamTobed -i (input file) > output ...
1
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2answers
101 views

Can xxd be used to output the binary representation of hex number , not a string?

I would like to generate a raw binary packet from hex in the command line for the purpose of testing a protocol. I'm hoping its simpler to do it this way than writing an aplication. Here is what ...
0
votes
3answers
466 views

shell command to get pixel size of an image

Is there a shell command that returns the pixel size of an image? I'm trying to produce an animated gif starting from different gifs with different sizes using convert (e.g. convert -delay 50 1.gif ...
2
votes
3answers
275 views

avconv creates creates files whose duration is incorrect

I am attempting to create a variable rate mp3 from a flac using the following command: avconv -i t.flac -id3v2_version 3 -vn -acodec libmp3lame -aq 0 t.mp3 avconv and mediainfo both list the ...
3
votes
2answers
347 views

How to convert a .txt subtitle file to .srt format?

I have a subtitle file, it looks like this: 00:00:44:" Myślę, więc jestem".|Kartezjusz, 1596-1650 00:01:01:Trzynaste Pietro 00:01:06:Podobno niewiedza uszczęśliwia. 00:01:10:Po raz pierwszy w ...
3
votes
3answers
244 views

How to batch convert bitmaps to SVGs?

I have many gray scale bitmaps that I need to convert to a vector format, such as SVG. I have been using Inkscape, which gives nice results, but this takes about 10-15 minutes to open, convert, and ...
1
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3answers
273 views

shell script to batch convert M4V to MP3 using VLC?

I want to batch convert a directory of M4V video files to MP3 audio files using VLC. (I don't mind using ffmpeg alternatively.) I found a bash script to get me started, but I don't know which VLC ...
1
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2answers
181 views

Convert image with imagemagick command line convert tool

I have an image Image.png. How do I use the ImageMagick command convert to make this file into a Image.jpg file with the following requirements: File size is 200~500 kb. Resolution in not less than ...
1
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0answers
32 views

Convert command produces a small error [closed]

First off, I'm on a Mac, but I think this can be solved here. I'm converting a .gif animation to a series of .png's using. $ convert ex.gif my_png_files_%d.png I get a series of .png-figures but ...
0
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1answer
105 views

FFMPEG Conversion Fails

Bad file? I'm very new to FFMPEG so how can I better debug and trace these issues? ffmpeg -i /home/videospace/public_html/labo/lion.3gp new_video.flv ffmpeg version N-57647-g1880294 Copyright (c) ...
2
votes
3answers
191 views

Fastest way to convert a large amount of FLACs to MP3s

I'm looking for something that can take advantage of my GPU or at the very least, multiple cores of my CPU to convert a few terabytes of FLAC to mp3 (VBR v0) very quickly while preserving all of the ...
2
votes
2answers
113 views

How to configure offline map viewer for openstreetmaps on debian?

I've installed Gosmore and was going to download some maps in osm.bz2 format from here. How can I add them to Gosmore? I was googling but didn't manage to find any solution, so I'm not sure if I will ...
0
votes
2answers
74 views

how to convert float value to int in bash

I will get value like 2743410360.320 and I want value like 2743410360 to a variable. I tried INTValueOfGB=$ echo "($gb+0.5)/1" | bc But I am getting (standard_in) 1: syntax error
1
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1answer
326 views

Batch Convert .mp4 to .avi with ffmpeg

Running Ubuntu 13.10 with a fully compiled ffmpeg. I know the code for the actual conversion is ffmpeg -i video.mp4 -codec copy video.avi I just need a plain and simple Bash script to do that for, ...
2
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0answers
153 views

How do I install dvd-slideshow on Centos 5?

How do I install dvd-slideshow on Centos 5? http://dvd-slideshow.sourceforge.net/wiki/Main_Page I tried but only found a gui to install on Ubuntu. I'm using Centos 5, command line.
3
votes
2answers
66 views

Get “Text Content” of Files

I was wondering if there is a tool to scrape text content of a file. Basically I would like to put in a pdf, word document, compressed file or anything else and get the text it contains out. There ...
3
votes
1answer
557 views

How to convert a PowerPoint ppt file into HTML files?

I have to find a free, gratis command line solution to convert primary Microsoft PowerPoint presentations into HTML files (1 HTML file per foil) on Linux (Debian, OpenSuse). It would be nice if the ...
1
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2answers
84 views

Sed script inserting and appending in wrong place only in one particular place

I am trying to convert man pages to tex, and I keep getting \item[ in the beginning of the file and ] \hfill \\ After the part of the man pages where it shows ENV(1L). Everything else seems to ...
11
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3answers
8k views

convert images to pdf: How to make PDF Pages same size

I did something like convert -page A4 -compress A4 *.png CH00.pdf But the 1st page is much larger than the subsequent pages. This happens even though the image dimensions are similar. These images ...
5
votes
3answers
763 views

org mode to dokuwiki converter

Is there an emacs org-mode to dokuwiki converter? Is there an dokuwiki to emacs org-mode converter?
5
votes
2answers
251 views

Convert between Unicode Normalization Forms on the unix command-line

In Unicode, some character combinations have more than one representation. For example, the character ä can be represented as "ä", that is the codepoint U+00E4 (two bytes c3 a4 in UTF-8 encoding), ...
1
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1answer
4k views

How to do I convert an animated gif to an mp4 or mv4 on the command line?

What command would I use to convert an mp4 or mv4 video file to an animated gif, and vice versa. That is, convert a animated gif to a mp4 or mv4.
12
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5answers
12k views

Creating a GIF animation from PNG files

Is there a tool to create a gif animation from a set of png files? I tried the convert command from the ImageMagick suite, but this doesn't always succeed. Also, I have several issues with this: I ...
3
votes
1answer
4k views

Convert pdf file to epub

Is to possible to convert pdf file to epub format without errors? Is there some application in Linux that can do it? I found only Ecub and Calibre which give bad results or fail. A command-line ...
7
votes
2answers
425 views

How could I use Bash to find 2 bytes in a binary file, increase their values, and replace?

I'm trying to find two bytes inside binary file, then increase value of those two bytes and replace them inside file. Those two bytes are on positions 0x82-0x83. For now on I have successfully ...
2
votes
1answer
603 views

imagemagick's convert unexpectedly changing the background color

what I'm trying to achieve is to pull a simple graphic from a webserver and use imagemagick to change a few colors so that I can then further use this image. This is the imagemagick portion: convert ...
1
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0answers
109 views

convert WAV music library to FLAC on command line and achieve best quality

I would like to produce (nearly) perfect FLAC files by verifying/checking all conversion steps. I'm hoping to do this in a single command, although a short bash script would be acceptable as a second ...
16
votes
4answers
27k views

Convert a .xlsx (MS Excel) file to .csv on command line with semicolon separated fields

I realize that this is not an entirely unix/linux related question. But since this is something I'll do on linux, I hope someone has an answer. I have an online excel file (.xlsx) which gets updated ...
19
votes
8answers
21k views

Converting multiple image files from JPEG to PDF format

I want to convert some files from jpeg to pdf. I am using following command. $ convert image1.jpg image1.pdf But I have 100 images. How should I convert all of them to corresponding pdfs? I ...
3
votes
1answer
226 views

convert bulk of text files to pdf with naming based upon header file

Knowing that "How to convert from text to .pdf" is already well answered here link and here link, I am looking for something more specific: Using Claws-Mail [website] and a Plug-In [RSSyl] to read ...
5
votes
3answers
1k views

Is there a good command line tool for converting to and from FLAC audio format?

Ideally, I want to convert from MP3 to FLAC and back. I also need to be able to script this.
3
votes
1answer
192 views

Batch conversion of Module files with XMP

I have the following script to convert a big bunch of .MOD and .XM files into Wave format: #!/bin/bash for f in ./XM.* ./MOD.* do xmp $f -d wav -o - | ffmpeg -i - -acodec libmp3lame -ab 320k ...
4
votes
1answer
220 views

convert man output to ebook format

I can convert man output to PDF. First, man -t grep >grep.ps (grep is just an example; I am not looking for mobile version of grep man page). Then Adobe Distiller converts PostScript to PDF. ...
7
votes
6answers
14k views

How to convert TXT to PDF?

I want to convert .txt files to .pdf. I'm using this: ls | while read ONELINE; do convert -density 400 "$ONELINE" "$(echo "$ONELINE" | sed 's/.txt/.pdf/g')"; done But this produces one "error" -- ...
3
votes
1answer
238 views

Save HTML from clipboard as markdown text

I want to be able to highlight a section of a web page and copy it to the clipboard then save it to my local disk as markdown. I need an efficient way to do that. My current cumbersome method is: ...
1
vote
1answer
3k views

How do I convert FLAC files to AAC (preferrably VBR 320k+)?

I back my CDs up to FLAC and then transcode to AAC (.m4a) files for portability on my android phone and the wife's iPhone. I had been using XLD on Mac and it does a great job but I'd rather not steal ...
0
votes
1answer
128 views

Converting *.ram to *.avi

I just came across an old file witn a ram extension. I've tried viewing it ( just to see what it is ) and am having extreme difficulties. I've tried looking for spftware online and alll I find are ...
13
votes
4answers
12k views

How can I convert a PNG to a PDF in high quality so it's not blurry or fuzzy?

There are a lot of questions out there about how to convert a PDF file to a PNG image, but I'm looking to take a nice sharp PNG file and just basically wrap it or embed it in a PDF file without having ...
1
vote
1answer
187 views

how to pdfjoin landscape and portrait oriented JPEG images to one PDF file?

I have some JPEG files. Most of them are landscape oriented, but some are portrait oriented. I want to combine them into one big PDF file. I tried pdfjoin but this results in all images beeing ...
2
votes
1answer
605 views

Possible to convert a linux installation to .VDI or ISO format?

I have an Oracle Peoplesoft installation set up on some virtual machines (they were in OVM format). I'd like to copy them over so they work in VirtualBox… would it be possible to convert them ...
7
votes
2answers
9k views

How get the best quality when converting from mp4 to avi with ffmpeg?

When I use this, the quality doesn't look bad. ffmpeg -same_quant -i video.mp4 video.avi In the ffmpeg documentation is written: "Note that this is NOT SAME QUALITY. Do not use this option unless ...
4
votes
3answers
2k views

Transcoding MJPEG Stream to FLV or MP4

I want to transcode MJPEG stream that comes from IP camera (http://xx.yy.zz.tt:8080/video.cgi) to FLV or MP4 stream under Linux OS so that users can play the file using a web based Flash player such ...
3
votes
3answers
168 views

Convert old /home from ext3 to ext4

I have an old /home partition, that dates back to former linux systems, and it is still in ext3 format. Whereas the rest of my system, / and some other mounted point are devices formated in ext4. I ...