Page Comparison

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utility	default delimiter	how to change	example
cut	Tab	-d or --delimiter option	`cut -d ':' -f 1 /etc/passwd`
sort	whitespace (one ore more spaces or Tabs)	-t or --field-separator option	`sort -t ':' -k1,1 /etc/passwd`
awk	whitespace (one ore more spaces or Tabs) Note: some older versions of awk do not treat Tabs as field separators.	In the BEGIN { } block FS= (input field separator) OFS= (*output field separator) -F or --field-separator* option	`cat /etc/fstab \| grep -v '^#' \| awk 'BEGIN{OFS="\t"}{print $2,$1}'` `cat /etc/passwd \| awk -F ":" '{print $1}'`
join	one or more spaces	-t option	`join -t $'\t' -j 2 file1 file12`
perl	whitespace (one ore more spaces or Tabs) when auto-splitting input with -a	-F'/<pattern>/' option	`cat /etc/fstab \| grep -v '^#' \| perl -F'/\s+/' -a -n -e 'print "$F[1]\t$F[0]\n";'`
read	whitespace (one or more spaces or Tabs)	IFS= (input field separator) option	Note that a bare IFS= removes any field separator, so whole lines are read each loop iteration.

Other bash resources

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