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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 | spaces whitespace (one ore more spaces ) for both input and outputor tabs) Note: some older versions of awk do not treat tabs as field separators. |
|
cat sampleinfo.txt | awk -F "\t" '{ print $1,$3 }' |
| join | one or more spaces | -t option | |
| perl | whitespace (one ore more spaces or tabs) when auto-splitting input with -a | -F'/<pattern>/' option | cat sampleinfo.txt | perl -F'/\t/' -ane 'print "$F[0]\t$F[2]\n";' |
| read | whitespace (one ore more spaces or tabs | IFS= option | see example above |
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