Removing blank line from file
Using sed.
$ sed '/^$/d' withblankline.txt > withoutblankline.txt
Using grep.
$ grep -v '^$' withblankline.txt > withoutblankline.txt
Use following for loop (shell script) to remove all blank lines from all files stored in /home/prabhat/data directory:
$ sed '/^$/d' withblankline.txt > withoutblankline.txt
Using grep.
$ grep -v '^$' withblankline.txt > withoutblankline.txt
Use following for loop (shell script) to remove all blank lines from all files stored in /home/prabhat/data directory:
#!/bin/sh
files="/home/prabhat/data/*.txt"
for f in $files
do
sed '/^$/d' $i > $i.out
mv $i.out $i
done
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