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In bash, instead of ${string} you can use ${string// } to remove all spaces from string.

Another option is to use read again (bash/ksh93/zsh, but this time with the default IFS (Internal Field...

Hi, try so
for i in *split*; do tail="$(head -1 $i |cut -d "~" -f 9 )"; mv $i ${i}_$tail; done

Hi, try something like this:
for file in filename* # For every file in the current directory that starts with "filename"
do
if [ -r "$file" ]; then ...