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Full Discussion: replace string in file.1 with line from file.2
Top Forums Shell Programming and Scripting replace string in file.1 with line from file.2 Post 302315161 by ccox85 on Monday 11th of May 2009 05:36:12 PM
Old 05-11-2009
Question giving up for now...
Here is what I have managed to come up with:

Code:
#!/bin/sh
cp ch25.txt ch25.fn.tex
n=`grep -c '^\[' ch25_footnotes.txt`
echo $n

#for i in {1..n};  ### This syntax was not working, for some reason

for ((i=1; i <= n ; i++))
do
        str="grep '^\[$i\]' ch25_footnotes.txt > temp"
#      echo $str
        eval $str
        r=`awk -F] '{print $2}' temp`
#      echo $r ## Up to here, things work as expected.
        str2="sed 's/\[$i\]/\\\footnote{$r}/' ch25.fn.tex"
        eval $str2
done

Now, the issue seems to be that it is dumping to standard output, rather than actually editing ch25.fn.tex. I dont really know why thats happening... and I THINK that it printed to stout 140 times, each with the footnote added to only that one number... I THINK that is what happened. To much output to sift through. I feel that I have narrowed down the problem to my sed command.

I have spent too much time playing around already. I hope someone finds this interesting or is sympathetic to my curiosity and helps me out!
 

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LEARN ABOUT LINUX

zegrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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