Differences

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--- bash:cut [2019/12/12 22:31] – peter
+++ bash:cut [2021/01/26 15:57] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== BASH - cut ======
-The **cut** command allows cutting of sections based on byte positions, characters, or fields separated by a delimiter like the ‘-‘ or ‘:’ characters.
-cut - remove sections from each line of files.
-**cut** can return section based on number of bytes (-b), characters (-c), or fields (-f) when fields are separated by a delimiter(-d).
-<WRAP info>
-Default delimiter is tab.
-</WRAP>
-----
-[[BASH:cut:Cut using Bytes|Cut using Bytes]]
-[[BASH:cut:Cut using Characters|Cut using Characters]]
-[[BASH:cut:Cut using Fields|Cut using Fields]]
-----
-===== Field Cuts =====
-==== Cut fields from a string, using a delimiter ====
-<code bash>
-cut -f 2- -d ':'
-:34:45:56
-</code>
-NOTE: -d specifies delimiter
-returns:
-<code bash>
-:45:56
-</code>
-----
-==== Cut fields from a string, without specifying a delimiter ====
-<code bash>
-cut -f 2
-er rt fg wd ji
-</code>
-returns:
-<code bash>
-er rt fg wd ji
-</code>
-NOTE: cut didn't find the delimiter (default is tab) so returns whole line.
-----
-==== Cut fields from a string, without specifying a delimiter; and prevent printing when delimiter not found ====
-<code bash>
-cut -f 2 -s
-er rt fg wd ji
-</code>
-NOTE: cut wont print as -s flag is used to prevent printing when delimiter not found.
-----
-==== Cut fields from a file, using a delimiter ====
-<code bash>
-cut -d: -f1 /etc/passwd >users.txt
-</code>