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Multi-language Syntax highlighting PR #56

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fa951da
small edits
amit1rrr Mar 10, 2025
f399f71
new long JS function
amit1rrr Mar 10, 2025
f514f08
new long R function
amit1rrr Mar 10, 2025
59d8640
new long shell function
amit1rrr Mar 10, 2025
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254 changes: 253 additions & 1 deletion multi_language_notebook.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
"source": [
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@amit1rrr amit1rrr Mar 10, 2025 •
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comment on a long shell script


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@amit1rrr amit1rrr Mar 11, 2025 •
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comment on sql / %%bqt cell


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"%%bash\n",
"echo 'Hello from Bash!'\n",
"pwd\n",
"ls -l"
]
},
Expand All @@ -43,9 +44,53 @@
"source": [
"%%sh\n",
"pwd\n",
"ls -l\n",
"whoami"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "9487d9b3-ad64-4b9f-931f-f28de866b679",
"metadata": {
"tags": []
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"UsageError: %%script is a cell magic, but the cell body is empty.\n"
]
}
],
"source": [
"%%script bash\n",
"#!/bin/bash\n",
"\n",
"# clone the repository\n",
"git clone http://github.com/garden/tree\n",
"\n",
"# generate HTTPS credentials\n",
"cd tree\n",
"openssl genrsa -aes256 -out https.key 1024\n",
"openssl req -new -nodes -key https.key -out https.csr\n",
"openssl x509 -req -days 365 -in https.csr -signkey https.key -out https.crt\n",
"cp https.key{,.orig}\n",
"openssl rsa -in https.key.orig -out https.key\n",
"\n",
"# start the server in HTTPS mode\n",
"cd web\n",
"sudo node ../server.js 443 'yes' >> ../node.log &\n",
"\n",
"# here is how to stop the server\n",
"for pid in `ps aux | grep 'node ../server.js' | awk '{print $2}'` ; do\n",
" sudo kill -9 $pid 2> /dev/null\n",
"done\n",
"\n",
"exit 0"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand All @@ -68,6 +113,122 @@
"console.log('Hello from JavaScript');"
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "91a6781a-0dfd-4dd9-8257-fe68d7184662",
"metadata": {
"tags": []
},
"outputs": [
{
"data": {
"application/javascript": [
"\n",
"function StringStream(string) {\n",
" this.pos = 0;\n",
" this.string = string;\n",
"}\n",
"\n",
"StringStream.prototype = {\n",
" done: function() {return this.pos >= this.string.length;},\n",
" peek: function() {return this.string.charAt(this.pos);},\n",
" next: function() {\n",
" if (this.pos < this.string.length)\n",
" return this.string.charAt(this.pos++);\n",
" },\n",
" eat: function(match) {\n",
" var ch = this.string.charAt(this.pos);\n",
" if (typeof match == \"string\") var ok = ch == match;\n",
" else var ok = ch && match.test ? match.test(ch) : match(ch);\n",
" if (ok) {this.pos++; return ch;}\n",
" },\n",
" eatWhile: function(match) {\n",
" var start = this.pos;\n",
" while (this.eat(match));\n",
" if (this.pos > start) return this.string.slice(start, this.pos);\n",
" },\n",
" backUp: function(n) {this.pos -= n;},\n",
" column: function() {return this.pos;},\n",
" eatSpace: function() {\n",
" var start = this.pos;\n",
" while (/\\s/.test(this.string.charAt(this.pos))) this.pos++;\n",
" return this.pos - start;\n",
" },\n",
" match: function(pattern, consume, caseInsensitive) {\n",
" if (typeof pattern == \"string\") {\n",
" function cased(str) {return caseInsensitive ? str.toLowerCase() : str;}\n",
" if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {\n",
" if (consume !== false) this.pos += str.length;\n",
" return true;\n",
" }\n",
" }\n",
" else {\n",
" var match = this.string.slice(this.pos).match(pattern);\n",
" if (match && consume !== false) this.pos += match[0].length;\n",
" return match;\n",
" }\n",
" }\n",
"};\n"
],
"text/plain": [
"<IPython.core.display.Javascript object>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"%%javascript\n",
"\n",
"function StringStream(string) {\n",
" this.pos = 0;\n",
" this.string = string;\n",
"}\n",
"\n",
"StringStream.prototype = {\n",
" done: function() {return this.pos >= this.string.length;},\n",
" peek: function() {return this.string.charAt(this.pos);},\n",
" next: function() {\n",
" if (this.pos < this.string.length)\n",
" return this.string.charAt(this.pos++);\n",
" },\n",
" eat: function(match) {\n",
" var ch = this.string.charAt(this.pos);\n",
" if (typeof match == \"string\") var ok = ch == match;\n",
" else var ok = ch && match.test ? match.test(ch) : match(ch);\n",
" if (ok) {this.pos++; return ch;}\n",
" },\n",
" eatWhile: function(match) {\n",
" var start = this.pos;\n",
" while (this.eat(match));\n",
" if (this.pos > start) return this.string.slice(start, this.pos);\n",
" },\n",
" backUp: function(n) {this.pos -= n;},\n",
" column: function() {return this.pos;},\n",
" eatSpace: function() {\n",
" var start = this.pos;\n",
" while (/\\s/.test(this.string.charAt(this.pos))) this.pos++;\n",
" return this.pos - start;\n",
" },\n",
" match: function(pattern, consume, caseInsensitive) {\n",
" if (typeof pattern == \"string\") {\n",
" function cased(str) {return caseInsensitive ? str.toLowerCase() : str;}\n",
" if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {\n",
" if (consume !== false) this.pos += str.length;\n",
" return true;\n",
" }\n",
" }\n",
" else {\n",
" var match = this.string.slice(this.pos).match(pattern);\n",
" if (match && consume !== false) this.pos += match[0].length;\n",
" return match;\n",
" }\n",
" }\n",
"};\n"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand Down Expand Up @@ -145,9 +306,100 @@
"%%r\n",
"hist(c(1,2,3,3,2,1,4,5,6), col='blue', main='Sample Histogram')"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "ae5219a6-9d02-41f0-acd2-577c16afec09",
"metadata": {
"tags": []
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"UsageError: Cell magic `%%r` not found.\n"
]
}
],
"source": [
"%%r\n",
"\n",
"X <- list(height = 5.4, weight = 54)\n",
"cat(\"Printing objects: \"); print(X)\n",
"print(\"Accessing individual elements:\")\n",
"cat(sprintf(\"Your height is %s and your weight is %s\\n\", X$height, X$weight))\n",
"\n",
"# Functions:\n",
"square <- function(x) {\n",
" return(x * x)\n",
"}\n",
"cat(sprintf(\"The square of 3 is %s\\n\", square(3)))\n",
"\n",
"# In R, the last expression in a function is, by default, what is\n",
"# returned. The idiomatic way to write the function is:\n",
"square <- function(x) {\n",
" x * x\n",
"}\n",
"# or, for functions with short content:\n",
"square <- function(x) x * x\n",
"\n",
"# Function arguments with default values:\n",
"cube <- function(x = 5) x * x * x\n",
"cat(sprintf(\"Calling cube with 2 : %s\\n\", cube(2)) # will give 2^3\n",
"cat(sprintf(\"Calling cube : %s\\n\", cube()) # will default to 5^3.\n",
"\n",
"powers <- function(x) list(x2 = x*x, x3 = x*x*x, x4 = x*x*x*x)\n",
"\n",
"cat(\"Powers of 3: \"); print(powers(3))\n",
"\n",
"# Data frames\n",
"df <- data.frame(letters = letters[1:5], '#letter' = 1:5)\n",
"print(df$letters)\n",
"print(df$`#letter`)\n",
"\n",
"# Operators:\n",
"m1 <- matrix(1:6, 2, 3)\n",
"m2 <- m1 %*% t(m1)\n",
"cat(\"Matrix product: \"); print(m2)\n",
"\n",
"# Assignments:\n",
"a <- 1\n",
"b <<- 2\n",
"c = 3\n",
"4 -> d\n",
"5 ->> e\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "d999404a-768d-4b69-ae22-27b600a2e151",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {},
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.13"
}
},
"nbformat": 4,
"nbformat_minor": 5
}