Update cheatsheets

tldr/awk

@@ -6,6 +6,8 @@ source: https://github.com/tldr-pages/tldr.git
 # awk
 
 > A versatile programming language for working on files.
+> Note: Different implementations of AWK often make this a symlink of their binary.
+> See also: `gawk`.
 > More information: <https://github.com/onetrueawk/awk>.
 
 - Print the fifth column (a.k.a. field) in a space-separated file:

tldr/gawk

@@ -0,0 +1,44 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gawk
+
+> GNU version of awk, a versatile programming language for working on files.
+> See also: `awk`.
+> More information: <https://www.gnu.org/software/gawk/manual/gawk.html>.
+
+- Print the fifth column (a.k.a. field) in a space-separated file:
+
+`gawk '{print $5}' {{path/to/file}}`
+
+- Print the second column of the lines containing "foo" in a space-separated file:
+
+`gawk '/{{foo}}/ {print $2}' {{path/to/file}}`
+
+- Print the last column of each line in a file, using a comma (instead of space) as a field separator:
+
+`gawk {{[-F|--field-separator]}} ',' '{print $NF}' {{path/to/file}}`
+
+- Sum the values in the first column of a file and print the total:
+
+`gawk '{s+=$1} END {print s}' {{path/to/file}}`
+
+- Print every third line starting from the first line:
+
+`gawk 'NR%3==1' {{path/to/file}}`
+
+- Print different values based on conditions:
+
+`gawk '{if ($1 == "foo") print "Exact match foo"; else if ($1 ~ "bar") print "Partial match bar"; else print "Baz"}' {{path/to/file}}`
+
+- Print all the lines which the 10th column value is between a min and a max:
+
+`gawk '($10 >= {{min_value}} && $10 <= {{max_value}})'`
+
+- Print table of users with UID >=1000 with header and formatted output, using colon as separator (`%-20s` mean: 20 left-align string characters, `%6s` means: 6 right-align string characters):
+
+`gawk 'BEGIN {FS=":";printf "%-20s %6s %25s
+", "Name", "UID", "Shell"} $4 >= 1000 {printf "%-20s %6d %25s
+", $1, $4, $7}' /etc/passwd`

tldr/less-than

@@ -14,7 +14,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Create a here document and pass that into `stdin` (requires a multiline command):
 
-`{{command}} << {{EOF}} <Enter> {{multiline_data}} <Enter> {{EOF}}`
+`{{command}} << {{EOF}} <Enter> {{multiline_text}} <Enter> {{EOF}}`
 
 - Create a here string and pass that into `stdin` (achieves the same effect as `echo string |`):
 
@@ -31,3 +31,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Disregard leading tabs (good for scripts with indentation but does not work for spaces):
 
 `cat <<- {{EOF}} > {{path/to/file.txt}} <Enter> {{multiline_data}} <Enter> {{EOF}}`
+
+- Pass command output to a program as a file descriptor:
+
+`diff <({{command1}}) <({{command2}})`

tldr/linux/decode-dimms

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# decode-dimms
+
+> Decode RAM data.
+> More information: <https://manned.org/decode-dimms>.
+
+- Display DIMM information:
+
+`decode-dimms`
+
+- Display help:
+
+`decode-dimms {{[-h|--help]}}`

tldr/linux/kde-builder

@@ -13,7 +13,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `kde-builder --initial-setup`
 
-- Compile a KDE component and its dependencies from the source:
+- Compile a KDE component and its dependencies from the source (use `workspace` to compile Plasma desktop):
 
 `kde-builder {{component_name}}`
 

tldr/linux/mkfs.btrfs

@@ -20,3 +20,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Set a label for the filesystem:
 
 `sudo mkfs.btrfs {{[-L|--label]}} "{{label}}" {{/dev/sdX /dev/sdY ...}}`
+
+- Overwrite existing filesystem if one is detected:
+
+`sudo mkfs.btrfs {{[-f|--force]}} {{/dev/sdX}}`

tldr/mise

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # mise
 
-> Manage versions of different packages.
+> Manage language runtimes like Node.js, Python, Ruby, Go, Java, etc and various tools.
 > More information: <https://mise.jdx.dev>.
 
 - List all available plugins:
@@ -35,3 +35,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Set environment variable in configuration:
 
 `mise set {{variable}}={{value}}`
+
+- Pass plugin options:
+
+`mise use {{name}}\[{{option1}}={{option1_value}},{{option2}}={{option2_value}}\]@{{version}}`

tldr/xh

@@ -10,26 +10,30 @@ source: https://github.com/tldr-pages/tldr.git
 > See also: `http`, `curl`.
 > More information: <https://github.com/ducaale/xh>.
 
-- Send a GET request:
+- Send a GET request (shows response headers and content):
 
-`xh {{httpbin.org/get}}`
+`xh {{https://postman-echo.com/get}}`
 
 - Send a POST request with a JSON body (key-value pairs are added to a top-level JSON object - e.g. `{"name": "john", "age": 25}`):
 
-`xh post {{httpbin.org/post}} {{name=john}} {{age:=25}}`
+`xh post {{https://postman-echo.com/post}} {{name=john}} {{age=25}}`
 
-- Send a GET request with query parameters (e.g. `first_param=5&second_param=true`):
+- Send a GET request with query parameters (e.g. `https://postman-echo.com/response-headers?foo1=bar1&foo2=bar2`):
 
-`xh get {{httpbin.org/get}} {{first_param==5}} {{second_param==true}}`
+`xh get {{https://postman-echo.com/response-headers}} {{foo1==bar1}} {{foo2==bar2}}`
 
 - Send a GET request with a custom header:
 
-`xh get {{httpbin.org/get}} {{header-name:header-value}}`
+`xh get {{https://postman-echo.com}} {{header-name:header-value}}`
 
 - Make a GET request and save the response body to a file:
 
-`xh --download {{httpbin.org/json}} --output {{path/to/file}}`
+`xh {{[-d|--download]}} {{https://example.com}} {{[-o|--output]}} {{path/to/file}}`
+
+- Construct a request but do not send it (similar to a dry-run):
+
+`xh --offline {{get|delete|...}} {{https://example.com}}`
 
 - Show equivalent `curl` command (this will not send any request):
 
-`xh --{{curl|curl-long}} {{--follow --verbose get http://example.com user-agent:curl}}`
+`xh --{{curl|curl-long}} {{--follow --verbose get https://example.com user-agent:curl}}`