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When you want to specify a range of times that is related to the start of a day instead of something that is a multiple of 24 hours from the time when you run your script, also consider using touch...

Isn't that error message self explaining?

As the -ctime argument specifies an interval of n*24h (counted from NOW) and not an absolute date, the command depends on the date/time it is run for...

The standards don't have a file creation date in the stat structure, but some filesystem types do store that data. IOf your files are on are a filesystem that stores a creation timestamp AND your...

To properly compare these filename we should change the DDMMYYYYHHMMSS format to YYYYMMDDHHMMSS - I have written a function ymd that I use below to compare filesnames to the supplied ranges:

echo...

Will your range ever go over midnight or stretch over more than one day?

Create two dummy files: dummy1 and dummy2, with filetimes you want

# syntax touch -t yyyymmddhhmm.ss
touch -t 201707031403.12 dummy1
touch -t 201707031403.40 dummy2

Now create a find...

Hi,

IMO, command you have tried looks good :b:

Hi,

What are your attempts?

Below one could be start point :

sed -e 's/Ç/C/;s/Õ/O/g' file

It gives desired output.

i added g for global replacement if same character has to be...

Hi
The find tool is really the best one for such process.
See:
$find tmp/ -type f -name '*' -exec echo File name is {} \;

# creation of 2 empty files
$ touch tmp/fileone tmp/filetwo
$ find...

With any POSIX-conforming sed you could also use:
sed -e 1n -e '$n' -e 's/^\(.\{179\}\)\([^I]\)/\1I\2/' "$file" > "$tmpf" && cp "$tmpf" "$file"
but RudiC's suggestion may be easier for some people...

Try:

for file in /home/bharat/*.RET
do
if [ -f "$file" ]; then
echo "File Name= $file"
fi
done

Try
sed -e 1n -e '$n' -e '/^.\{179\}I/ !s/./I&/180' file

Don't touch that file or line?

If we just stick with standard sed addressing constructs and do not depend on non-standard options, you could try something more like:
#!/bin/ksh
IAm=${0##*/}
tmpf="$IAm.$$"

trap 'rm -f...

Good that it works with last change.

to make inplace/infile edit , use
sed -i '1n;$!s/./&a/10' $file

If you want to save a backup / copy of the file before modifying it, use
sed -i.bak...

Hi,

It might be your version of sed / unix.

Tested in below versions and works fine:
sed --version
sed (GNU sed) 4.2.2
GNU sed version 4.1.5


can you please give a try as follows, if it...

Please use code tags for code snippet and quote tags for text input/output.

Example i gave is for file and it refers to line such as first , exclude last line.

sed -e '1{n};$!s/./&I/10' line is...

Hi,

Can you please try similar to below one ?Here i have simulated for 10th position in a file , excluding first and last line.

cat file
1234567890ABCD
1234567890XYZ
1234567890PQR...