Shell Programming and Scripting

#!/bin/bash

1 FILES=*.mime
2 for f in $FILES
3 do
4	echo "Processing $f"
5      #rip mails into attachments and text files also add a prefix to text files
6      ripmime -i $f -d ~/test/ripmime --prefix 
7	#Remove white spaces from output files	
8	rename 's/ /_/g' ~/test/ripmime/*
9	#rename output attachments as original input files	
10	rename 's/\[^0-9]/'$f/ ~/test/ripmime/*     
11	
12 done

for i in * ; do 
  if [[ "$i" =~ "textfile" ]] ; then 
     echo keep $i ; 
  else 
    echo mv $i  ${i}.old 
  fi 
done

rename 's/$/.old/' [^0-9]*  #append '.old' to all files that do not start with a number

$ shopt  | grep extglob
extglob            on

$ shopt -s extglob

 $ ls !(*text*)  #matches all files that do not contain the string "text".

#!/bin/bash

FILES=*.mime
for f in $FILES
do
	echo "Processing $f"
        ripmime -i $f -d ~/test/ripmime --prefix 
	#Remove white spaces from output files	
	rename 's/ /_/g' ~/test/ripmime/*
	#rename output file if it does not start with digit	
	rename "s/$/$f/" [^0-9]* ~/test/ripmime/*
done

    rename "s/$/$f/" [^0-9]* ~/test/ripmime/*

#!/bin/bash

outdir=~/test/ripmime
for f in *.mime ; do
    echo "Processing $f"
        ripmime -i $f -d $outdir --prefix 
    #rename output file if it does not start with digit
     m="" ; cnt=1   #for multiple odd files    
    for odd in ${outdir}/[^0-9]* ; do     
        newname=${f/.cybercom.mime/}.${odd##*.}$m
        mv "$odd" "$newname"
        m=.$((cnt++))
    done
done

#Remove white spaces from output files
rename 's/ /_/g' ${outdir}/*

echo $f | sed 's/pattern/new/'