Ctrl / Find Replace Pattern Edit
Find Replace Pattern Edit
Initiate a find and replace operation in the terminal's command history.
<Ctrl r><pattern><Enter><Ctrl r><pattern><Enter>#!/bin/bash
# Find Replace Pattern Edit
<Ctrl r>{{pattern}}<Enter>import subprocess
# Find Replace Pattern Edit
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"ctrl",
"r><pattern><Enter>"
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: ctrl not found. Please install it first.")
if __name__ == "__main__":
run_command()When To Use
During development work to quickly locate and update previously executed commands affecting session state.
Pro Tip
Utilize '<Ctrl><r>' multiple times to cycle through past commands until the desired pattern appears.
Anatomy of Output
Understanding the result
Searching for: pattern Search Status Indicates the search query in command history.
Match found: ls -la | grep text Matched Command Displays the previous command matching the search pattern.
Press <Enter> to execute or <Ctrl>+c to exit Execution Status Commands to execute or escape the search.
Troubleshooting
Common pitfalls
No matches found
Solution: Modify search pattern to broaden the query.
Command history empty
Solution: Ensure that commands were previously executed in the session.
Terminal input error
Solution: Check terminal settings or restart the session.
Command Breakdown
What each part is doing
-
<Ctrl - Base Command
- The executable that performs this operation. Here it runs Ctrl before the shell applies any redirect operators.
-
<pattern> - pattern
- The value supplied for pattern.
Alternative Approaches
Comparable commands in other tools
Alternative tools that share the "search" operation intent.
lzegrep --extended-regexp Perl / Say First Match Group Ignore Space perl -n -E 'say $1 if m/<before> ( <group_regex> ) <after>/x' Grep / Use Extended Regexes Case Insensitive grep -Ei "<search_pattern>" <path/to/file> Ytfzf / Play Audio First Item Loop ytfzf -m -a -l <search_pattern> Ytfzf / Play All Music From Search ytfzf -m -A <search_pattern>