Read .txt file n append lines using shell script

[Sham Jowsaki]

Hi All,
There is a multiple directories which had bunch of files (.txt), where I would like to read the (.txt) file n append some lines on each file using shell script.
Could you pls guide me how to do this n provide the sample script.
Thanks in advance.
Cheers
Jowsaki

[Pranav Butala]

What platform r u working on? Tried using VBScript to append to a .txt file?
I have a VBScript that reads a .txt file in to an array to perform some calculations. I can modify it append to a .txt file. Let me know if you need it.

[Ernest Friedman-Hill]

Originally posted by Pranav Butala:
What platform r u working on? Tried using VBScript to append to a .txt file?

As this is the Linux/UNIX forum, the poster is lucky enough not to have VBScript available.
Sham:
This puts a line of text into a file, destroying any previous contents:
echo "Here is a line of text" > afile.txt
This, on the other hand, appends to an existing file:
echo "Here is another line of text" >> afile.txt

[Tim West]

You might want something like this...

#!/bin/bash
myFiles=`ls *.txt`
# or maybe:
# myFiles=`ls -r *.txt`
fileToAppend=~/appendFile
for f in $myFiles; do
    cat $FileToAppend >> $f
done

Anyway, that's a start...it's basic stuff but bash scripting took me a while to get the hang of (mostly because I learned programming on languages with passably decent syntax..."for i in `seq 1 10`" is barbaric eh?...ok maybe that's just an excuse ), so it might save you some time...
Cheers,
--Tim
[ April 13, 2004: Message edited by: Tim West ]