Convert Windows Batch Script to Linux Shell Script

Question

I have the following Windows batch script (.bat file). I would like to convert this into a Linux shell script. Please help...

@echo off
setlocal
for /f "tokens=2-7 delims=_.-" %%A in ('dir /B TACOS_*') do (
  setlocal enabledelayedexpansion
  call :getmonth %%B
  ren TACOS*_*%%A-%%B-%%C*_*%%D-%%E-%%F_UTC.csv TACOS_%%A!mon!%%C_%%D%%E%%F.csv
  endlocal
)

:getmonth
if "%1" equ "Jan" set mon=01
if "%1" equ "Feb" set mon=02
if "%1" equ "Mar" set mon=03
if "%1" equ "Apr" set mon=04
if "%1" equ "May" set mon=05
if "%1" equ "Jun" set mon=06
if "%1" equ "Jul" set mon=07
if "%1" equ "Aug" set mon=08
if "%1" equ "Sep" set mon=09
if "%1" equ "Oct" set mon=10
if "%1" equ "Nov" set mon=11
if "%1" equ "Dec" set mon=12
goto :eof
endlocal

Here is what I have tried so far:

#!/bin/bash
set +v

for -f "tokens=2-7 delims=_.- A in ('Is-I -B TACOS_*'); do (
    getmonth B
    mv -iv TACOS*_*A-B-C*_*D-E-F_AST.csv TACOS_A!mon!C_DEF.csv
)


:getmonth
if "$1" equ "Jan" then mon=01
if "$1" equ "Feb" then mon=02
if "$1" equ "Mar" then mon=03
if "$1" equ "Apr" then mon=04
if "$1" equ "May" then mon=05
if "$1" equ "Jun" then mon=06
if "$1" equ "Jul" then mon=07
if "$1" equ "Aug" then mon=08
if "$1" equ "Sep" then mon=09
if "$1" equ "Oct" then mon=10
if "$1" equ "Nov" then mon=11
if "$1" equ "Dec" then mon=12
goto :eof

---

here is what i have tried so far

#!/bin/bash
set +v

for -f "tokens=2-7 delims=_.- A in ('Is-I -B TACOS_*'); do (
    getmonth B
    mv -iv TACOS*_*A-B-C*_*D-E-F_AST.csv TACOS_A!mon!C_DEF.csv
)


:getmonth
if "$1" equ "Jan" then mon=01
if "$1" equ "Feb" then mon=02
if "$1" equ "Mar" then mon=03
if "$1" equ "Apr" then mon=04
if "$1" equ "May" then mon=05
if "$1" equ "Jun" then mon=06
if "$1" equ "Jul" then mon=07
if "$1" equ "Aug" then mon=08
if "$1" equ "Sep" then mon=09
if "$1" equ "Oct" then mon=10
if "$1" equ "Nov" then mon=11
if "$1" equ "Dec" then mon=12
goto :eof

Answer 1

I'm not great at Bash (I've tried to convert before; ended up turning it into an exe, asking people to get Wine Compatibility layer ) but I believe I know part of your problem. You cannot use labels (:example) and goto, (goto example) in bash scripting. You have to use functions. In your case:

#!/bin/bash
set +v

for -f "tokens=2-7 delims=_.- A in ('Is-I -B TACOS_*'); do (
    getmonth() B
    mv -iv TACOS*_*A-B-C*_*D-E-F_AST.csv TACOS_A!mon!C_DEF.csv
)


function getmonth()
{
if "$1" equ "Jan" then mon=01
if "$1" equ "Feb" then mon=02
if "$1" equ "Mar" then mon=03
if "$1" equ "Apr" then mon=04
if "$1" equ "May" then mon=05
if "$1" equ "Jun" then mon=06
if "$1" equ "Jul" then mon=07
if "$1" equ "Aug" then mon=08
if "$1" equ "Sep" then mon=09
if "$1" equ "Oct" then mon=10
if "$1" equ "Nov" then mon=11
if "$1" equ "Dec" then mon=12
eof()
}

Here is a great guide to converting Batch to Shell. It hasn't helped me a lot, but I think you'll find it useful.

Also, what are you trying to accomplish with this program?