From 76d0ea3113933da30c1251e8c8b7016a677dfa42 Mon Sep 17 00:00:00 2001 From: johannst Date: Thu, 7 Nov 2024 22:05:24 +0000 Subject: deploy: 8c7f8b75acf4eb4fc0e8d606cffa4bcdae865606 --- cli/awk.html | 61 +++++--------- cli/column.html | 57 +++++-------- cli/cut.html | 243 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ cli/index.html | 59 +++++--------- cli/paste.html | 61 +++++--------- cli/rev.html | 223 +++++++++++++++++++++++++++++++++++++++++++++++++++ cli/sed.html | 61 +++++--------- cli/sort.html | 57 +++++-------- cli/tac.html | 71 ++++++----------- cli/tr.html | 57 +++++-------- 10 files changed, 625 insertions(+), 325 deletions(-) create mode 100644 cli/cut.html create mode 100644 cli/rev.html (limited to 'cli') diff --git a/cli/awk.html b/cli/awk.html index d207f07..1f715f3 100644 --- a/cli/awk.html +++ b/cli/awk.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

@@ -358,7 +337,7 @@ in the user variable and then print it.

- + @@ -372,7 +351,7 @@ in the user variable and then print it.

- + diff --git a/cli/column.html b/cli/column.html index a25d741..a9ffca5 100644 --- a/cli/column.html +++ b/cli/column.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

diff --git a/cli/cut.html b/cli/cut.html new file mode 100644 index 0000000..fa2e5ca --- /dev/null +++ b/cli/cut.html @@ -0,0 +1,243 @@ + + + + + + cut - Notes + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ +

+ + + + +

+ + + +

+ + + + + + + +

+ + + + + + +

cut(1)

# Remove sections from each line of files(s).
+cut OPT FILE [FILE]
+    -d DELIM     delimiter to tokenize
+    -f LIST      field selector
+    -c LIST      character selector
+

Example: only selected characters

echo 'aa bb cc dd' | cut -c "1-4"
+# aa b
+
+# Inverted selection.
+echo 'aa bb cc dd' | cut --complement -c "1-4"
+# b cc dd
+

Example: only selected fields

Fields in cut are indexed starting from 1 rather than 0.

# Fields 2 until 3.
+echo 'aa bb cc dd' | cut -d ' ' -f 2-3
+# bb cc
+
+# First field until the 2nd.
+echo 'aa bb cc dd' | cut -d ' ' -f -2
+# aa bb
+
+# Third field until the end.
+echo 'aa bb cc dd' | cut -d ' ' -f 3-
+# cc dd
+
+# If the number of tokens in a line is unkown but we want to remove the last 2
+# tokens we can use rev(1).
+echo 'aa bb cc dd' | rev | cut -d ' ' -f3- | rev
+# aa bb
+

+ +

+ + +

+ + + +

+ + + + + + + + + + + + + + + + + + +

+ + diff --git a/cli/index.html b/cli/index.html index 46b5543..1560dd1 100644 --- a/cli/index.html +++ b/cli/index.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

@@ -179,11 +158,13 @@

CLI foo

diff --git a/cli/paste.html b/cli/paste.html index 2e6576b..a3f0a60 100644 --- a/cli/paste.html +++ b/cli/paste.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

- + diff --git a/cli/rev.html b/cli/rev.html new file mode 100644 index 0000000..bbca9b0 --- /dev/null +++ b/cli/rev.html @@ -0,0 +1,223 @@ + + + + + + rev - Notes + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ +

+ + + + +

+ + + +

+ + + + + + + +

+ + + + + + +

rev(1)

# Reverse each line of file(s), character by character.
+rev FILE [FILE]
+
+echo -e '123\nabc' | rev
+# 321
+# cba
+

Example: remove the last 2 tokens with unknown length

# If the number of tokens in a line is unkown but we want to remove the last 2
+# tokens we can use rev(1).
+echo 'aa bb cc dd' | rev | cut -d ' ' -f3- | rev
+# aa bb
+

+ +

+ + +

+ + + +

+ + + + + + + + + + + + + + + + + + +

+ + diff --git a/cli/sed.html b/cli/sed.html index 9c9e2a2..4263ddd 100644 --- a/cli/sed.html +++ b/cli/sed.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

- + diff --git a/cli/sort.html b/cli/sort.html index 6194382..7cbd09b 100644 --- a/cli/sort.html +++ b/cli/sort.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

diff --git a/cli/tac.html b/cli/tac.html index 6fa6bb2..d508a46 100644 --- a/cli/tac.html +++ b/cli/tac.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +

@@ -180,11 +159,11 @@

# Reverse output lines of file(s) and concatenate (reverse of cat).
 tac FILE [FILE]
 
-echo -e 'aa\nbb\ncc\ndd' | tac
-# dd
-# cc
-# bb
-# aa
+echo -e 'a1\nb2\nc3\nd4' | tac
+# d4
+# c3
+# b2
+# a1

@@ -195,7 +174,7 @@ echo -e 'aa\nbb\ncc\ndd' | tac - + @@ -209,7 +188,7 @@ echo -e 'aa\nbb\ncc\ndd' | tac - +

diff --git a/cli/tr.html b/cli/tr.html index 7b5a49b..c2427d8 100644 --- a/cli/tr.html +++ b/cli/tr.html @@ -1,5 +1,5 @@ - + @@ -7,7 +7,7 @@ - + @@ -30,15 +30,17 @@ - - -

+ - + + + + +

- - -

- +