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m (Usefull short commands)
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   gs -sDEVICE=pdfwrite -q -dNOPAUSE -dBATCH -sOutputFile=MajorFile.pdf SmallFiles*.pdf  
   gs -sDEVICE=pdfwrite -q -dNOPAUSE -dBATCH -sOutputFile=MajorFile.pdf SmallFiles*.pdf  
-
\# Combined files can ba a mix of .pdf .ps and .eps files and output file can be a .ps also
+
Combined files can ba a mix of .pdf .ps and .eps files and output file can be a .ps also
    
    
* '''Make a series of single-page EPS files made up of pages from various input files'''
* '''Make a series of single-page EPS files made up of pages from various input files'''
   gs -sDEVICE=epswrite -q -dNOPAUSE -dBATCH -dSAFER -sOutputFile=p%08d.eps 5page-first.pdf 7page-second.ps 1page-third.eps  
   gs -sDEVICE=epswrite -q -dNOPAUSE -dBATCH -dSAFER -sOutputFile=p%08d.eps 5page-first.pdf 7page-second.ps 1page-third.eps  
-
\# The resulting files will be nicely named as p00000001.eps .... p00000013.eps
+
The resulting files will be nicely named as p00000001.eps .... p00000013.eps
* '''Convert eps to jpg using native gs'''
* '''Convert eps to jpg using native gs'''

Revision as of 13:32, 22 November 2010

Usefull short commands

  • kill a process tree

When some script is started from a command line in a for-loop and a process tree is made, one should find the parent process and its PID and then simply kill it:

   $ pstree username -p 
   sshd(19953)---bash(19954)---bash(22238)---idl(22323)-+-{idl}(22326)
                                                        |-{idl}(22327)
                                                        |-{idl}(22328)
                                                        `-{idl}(22329) 
   sshd(20096)---bash(20097)
   sshd(20762)---bash(20763)
   sshd(21087)---bash(21088)-+-grep(21309)
                             `-top(21308)
   sshd(21736)---bash(21737)
   sshd(21780)---bash(21781)---pstree(22331)

Or if this tree is to long, one should grep the program (here:idl) with: $ pstree usrname -p | grep idl

   $ kill 19953  
   $ pstree username -p  
   sshd(20096)---bash(20097)
   sshd(20762)---bash(20763)
   sshd(21087)---bash(21088)-+-grep(21309)
                             `-top(21308)
   sshd(21736)---bash(21737)
   sshd(21780)---bash(21781)---pstree(22332)
  • Change sth inside file
  sed -i s/'\-9999'/'NaN'/g filename 

This will change -9999 with NaN inside a file, without making some tmp file in between.

  • Print rotated picture
  lp -o media=a4 -o orientation-requested=4 -o fitplot figure.ps
  • Print in fixed width format with awk
 echo $a $b $c |  awk '{for (i=1; i<=NF; i++) printf("%-20s ",$i);printf ("\n")}' > outfile.dat

where strings a,b,c may be entire lines.

  • Make a small size pdf out of several pdfs
 gs -sDEVICE=pdfwrite -q -dNOPAUSE -dBATCH -sOutputFile=MajorFile.pdf SmallFiles*.pdf 

Combined files can ba a mix of .pdf .ps and .eps files and output file can be a .ps also

  • Make a series of single-page EPS files made up of pages from various input files
 gs -sDEVICE=epswrite -q -dNOPAUSE -dBATCH -dSAFER -sOutputFile=p%08d.eps 5page-first.pdf 7page-second.ps 1page-third.eps 

The resulting files will be nicely named as p00000001.eps .... p00000013.eps

  • Convert eps to jpg using native gs
 gs -sDEVICE=jpeg -q -dJPEGQ=100 -dNOPAUSE -dBATCH -dSAFER -r100 -sOutputFile=image.jpg image.eps # -r100 should be changed to -r50 for denser image 
  • Resize image
 mogrify -trim -resize 70% image.jpg   # or -resize 800x600 for fixed width

Some cool stuff

  • Very nice themes for Ubuntu 10.04
   sudo add-apt-repository ppa:bisigi
   sudo aptitude update
   sudo aptitude install bisigi-themes
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